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Article

Changes in Serum and Salivary Proteins in Canine Mammary Tumors

by
Lorena Franco-Martínez
1,
Andrea Gelemanović
2,
Anita Horvatić
3,
María Dolores Contreras-Aguilar
1,
Roman Dąbrowski
4,
Vladimir Mrljak
3,
José Joaquín Cerón
1,
Silvia Martínez-Subiela
1,* and
Asta Tvarijonaviciute
1
1
Interdisciplinary Laboratory of Clinical Pathology, Interlab-UMU, University of Murcia, 30100 Murcia, Spain
2
Mediterranean Institute for Life Sciences (MedILS), 21000 Split, Croatia
3
Faculty of Veterinary Medicine, University of Zagreb, Heinzelova 55, 10 000 Zagreb, Croatia
4
Department and Clinic of Animal Reproduction, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, 30 Gleboka St., 20-612 Lublin, Poland
*
Author to whom correspondence should be addressed.
Animals 2020, 10(4), 741; https://doi.org/10.3390/ani10040741
Submission received: 27 March 2020 / Revised: 17 April 2020 / Accepted: 21 April 2020 / Published: 24 April 2020
(This article belongs to the Special Issue Biomarkers in Animal Health and Disease)

Abstract

:

Simple Summary

The present study describes for the first time the differences in the serum and saliva proteomes between healthy bitches and bitches with mammary tumors using a high-throughput proteomic approach. More than 1000 proteins were identified and 35 in serum and 49 in saliva were significantly modulated. Additionally, their related pathways were discussed in order to improve understanding of the pathophysiology of the disease and one protein, serum albumin, was further validated. The results of the present study could be a source of potential biomarkers for canine mammary tumors in saliva and serum and increase the knowledge on the pathophysiology of the disease.

Abstract

The aim of this study was to evaluate changes in serum and saliva proteomes in canine mammary tumors (CMT) using a high-throughput quantitative proteomic analysis in order to potentially discover possible biomarkers of this disease. Proteomes of paired serum and saliva samples from healthy controls (HC group, n = 5) and bitches with CMT (CMT group, n = 5) were analysed using a Tandem Mass Tags-based approach. Twenty-five dogs were used to validate serum albumin as a candidate biomarker in an independent sample set. The proteomic analysis quantified 379 and 730 proteins in serum and saliva, respectively. Of those, 35 proteins in serum and 49 in saliva were differentially represented. The verification of albumin in serum was in concordance with the proteomic data, showing lower levels in CMT when compared to the HC group. Some of the modulated proteins found in the present study such as haptoglobin or S100A4 have been related to CMT or human breast cancer previously, while others such as kallikrein-1 and immunoglobulin gamma-heavy chains A and D are described here for the first time. Our results indicate that saliva and serum proteomes can reflect physiopathological changes that occur in CMT in dogs and can be a potential source of biomarkers of the disease.

1. Introduction

Mammary tumors are the most common cancer in intact female dogs, accounting for almost 50% of all tumors [1]. Approximately half of all canine mammary tumors (CMT) are diagnosed as malignant by histological examination, leading to death due to distant metastases in many cases [2]. Several conditions such as hormonal imbalance, viruses, obesity, diet, genetic components, and oxidative stress contribute to CMT [1,3], although the pathogenesis has not been fully elucidated to date. It is known that many biological characteristics of mammary tumors are shared between humans and dogs such as histopathologic features, biological behaviour, metastatic pattern, antigenic phenotype and expression patterns of proliferating cell nuclear antigen, cytokeratins, and calponin [4]. Therefore, dogs have been proposed as an ideal model for the investigation of human breast cancer [5]. Furthermore, since humans and dogs share the same environment and are exposed to the same cancerogenic factors, spontaneously occurring malignancies in dogs have been considered as a valuable experimental model for investigation of human neoplasias [6].
Saliva is a non-invasive biological fluid that can reflect both systemic and local health-related conditions and possesses several benefits when used for sampling instead of invasive methods such as blood sampling. The advantages of using saliva include that it is a safer method for personnel and patients, it is easier to collect, and collecting saliva reduces sampling stress as it is pain-free [7]. In humans, proteomic analyses of saliva have proved to be a useful technique for discovering disease-related biomarkers in different pathologies including cancer [8]. In dogs, gel-free proteomics approaches such as Tandem Mass Tag (TMT) have been successfully used in serum and/or saliva in different infectious diseases such as pyometra [9], parvoviral enteritis [10] and leishmaniosis [11], as well as for metabolic diseases such as obesity [12].
Changes in serum and saliva proteomes in women with breast cancer have been described. In serum, higher levels of histone deacetylase proteins were detected in women with recurrent breast cancer in comparison to non-recurrent cases [13]. In saliva, Delmonico et al. [14] identified differences in alpha-2-macroglobulin, ceruplasmin, haptoglobin, hemopexin and vitamin D-binding, among others, in women with impalpable breast cancer in comparison to healthy women; and Giri et al. [15] identified 166 proteins with different expression in saliva of women with breast cancer in comparison to healthy controls [15]. In dogs, two studies were reported in which 2-DE gel proteomic analyses of canine mammary tumor tissues were performed. In one of the studies [16], of 21 proteins differentially modulated in healthy and diseased dogs, 19 were previously reported for human breast cancer. The second study [17] compared normal canine mammary gland tissue proteomes with tissues at different stages of malignant progression, identifying 48 proteins with significant changes. However, to the best of the authors’ knowledge, there are no studies addressing changes in serum or saliva proteomes in dogs with mammary tumors.
The current study aims to explore for the first time changes in paired serum and saliva proteomes in bitches with mammary tumors compared to healthy ones by using TMT label-based gel-free proteomic approach. This study is expected to increase the knowledge on the pathogenesis of CMT and potentially discovering possible biomarkers for the detection of this disease.

2. Materials and Methods

2.1. Animals

A total of 10 client-owned bitches presenting at private veterinary clinics in Murcia, Spain, during January 2019 were involved in this study. A group of five bitches (3 mixed breeds, 1 Pinscher and 1 German shepherd; all spayed; aged 9.7 ± 3.6 years old) classified as healthy based on a complete physical examination, haematology and biochemistry were included as the control group (HC). Five bitches (4 mixed breeds and 1 Pinscher; all spayed; aged 12.0 ± 1.93 years old) diagnosed with mammary tumors (3 simple tubulopapillary carcinomas and 2 simple tubular carcinoma) were included as the mammary tumor (CMT) group. All dogs were submitted to general physical examination and general haematology and biochemistry were performed. Tumor staging was based on the ‘Tumor, Node, Metastasis classification system’ (TNM) [18], and all cases were diagnosed as grades 1 and 2 (tumor diameter ≤3 cm, and absence of regional lymph node or distant metastases). Dogs were excluded if they were spayed less than one year ago, if there was possibility of concurrent diseases based on physical examination and laboratory analyses, or if gingivitis was detected. None of the serum and saliva samples showed haemolysis. All dogs with TNM were treated by surgical removal of the neoplasm and were alive and without relapse 6 months after the surgery.
All the procedures were approved by the ethics committees of the University of Murcia and the Ministry of Agriculture, Livestock, Fishing and Aquaculture of the Region of Murcia (A13170503).

2.2. Serum and Saliva Sampling

Surplus serum remainings after routine clinical biochemical analyses were stored at −80 °C until their use for the present study. Venipuncture of the jugular or cephalic vein was performed for blood collection. Whole blood was stored in tubes containing a coagulation activator and a gel separator and kept at room temperature (25 °C) until visible clot reaction. Samples were centrifuged (3500× g, 10 min) and the supernatants were stored at −80 °C until analysis.
Saliva samples were obtained as previously reported [19]. In brief, a small sponge was placed into the mouth and, when it was thoroughly moistened, it was then removed and placed into collection devices (Salivette saliva collection tube/V-Bottom, Sarstedt, Aktiengesellschaft & Co, Nümbrecht, Germany). After the samples were centrifuged (3000× g, 10 min, 4 °C), the supernatants were stored at −80 °C until analysis [20]. At least 0.2 mL of saliva was collected from each patient.

2.3. Proteomics Study of Saliva and Serum Samples and LC–MS/MS Analysis

A total of 35 µg of protein per sample was subjected to reduction, alkylation, digestion and labelling using 6-plex Tandem Mass Tag reagents, according to manufacturer instructions (Thermo Scientific) as described previously [10,11]. In brief, after protein determination using Bradford assay [21], 35 µg of sample and internal standards (consisting of a pool of 35 µg of each sample) were reduced for 1 h with 200 mM DTT (Sigma-Aldrich), alkylated for 30 min with 375 mM iodoacetamide (Sigma-Aldrich) and precipitated with ice-cold acetone (VWR, Llinars del Vallés, Barcelona, Spain). The next day, the samples were centrifuged, the acetone was decanted and the pellets were resuspended with 50 μL of 100 mM TEAB buffer and subsequently digested with trypsin (Promega, Madison, WI, USA) overnight at 37 °C (2.5 μg of trypsin per 100 μg of protein). The TMT labelling reagents were resuspended in LC–MS-grade anhydrous acetonitrile (Thermo Scientific, Waltham, MA, USA) and mixed with each sample for 1 h at room temperature. The reaction was quenched by adding 5% hydroxylamine (Thermo Scientific) for 15 min and the samples were combined at equal amounts. Then, 6 μg of each mixed sample set was placed in a well of a microplate, vacuum-dried and stored at −80 °C before further LC–MS/MS analysis. LC−MS/MS analysis was performed using the Dionex Ultimate 3000 RSLC nano-flow system (Dionex, Camberley, UK) and an Orbitrap Q Exactive Plus mass spectrometer (Thermo Fisher Scientific), as described elsewhere [22]. The SEQUEST algorithm, Proteome Discoverer (version 2.0., Thermo Fisher Scientific, Waltham, MA, USA), was used for peptide identification and relative quantification. A NCBI database search for Canis Lupus FASTA files was performed considering two missed trypsin cleavage sites, a precursor tolerance of 10 ppm and a fragment mass tolerance of 0.02 Da. The Percolator algorithm within the Proteome Discoverer workflow was used to determine the false discovery rate (FDR) for peptide identification, which was set at 1%.

2.4. Validation of Serum Biomarkers

For validation of serum biomarkers detected by proteomic analysis, serum samples from 25 bitches that were presented to the Department and Clinic of Animal Reproduction, University of Life Sciences, Lublin, Poland, were employed—healthy controls (n = 10; aged 7.5–11) and dogs with CMT stage 1–2 tumors (n = 15; aged 8–13).
Albumin in serum was selected for validation since it is commonly performed in routine biochemistry analysis in our laboratory and, therefore, that data were already available. Serum albumin was determined using a commercially available kit (Albumin OSR 6102; Olympus Life and Material Science Europe GmbH, Irish branch, Ennis, Ireland), according to manufacturer instructions.

2.5. Statistical Analysis

All statistics were performed using R v3.2.2 [23]. First, proteins with fewer than two unique peptides and proteins with >90% missing data were removed from the analysis. Sample outliers were detected for each of the proteins using Dixon’s test from R package outliers v0.14 [24]. If a sample outlier was significant (p < 0.05), it was removed from further analysis. As the majority of the analysed proteins did not follow normal distribution, as tested by the Shapiro–Wilk test, the Wilcoxon–Mann–Whitney test was performed in order to test for differences in protein abundance between groups. The fold change between the two groups was calculated as the mean protein abundance for the CMT group divided by the mean protein abundance for the HC group.
For the validation of serum biomarkers, the D’Agostino and Pearson omnibus normality test was employed to determine the distribution of data and, since data were not normally distributed, the non-parametric statistical Mann–Whitney U (two-way) test was used to compare between groups.

2.6. Bioinformatics Analysis

The proteins’ GI accession numbers were converted into official gene symbols either using the DAVID conversion tool (https://david.ncifcrf.gov/conversion.jsp), UniProtKB ID mapping (https://www.uniprot.org/uploadlists/) or the SEQUEST search engine implemented into Proteome Discoverer [25]. Genes encoding the differentially abundant proteins in the CMT and HC groups were used to determine the GO terms overrepresented in CMT using the Protein Analysis Through Evolutionary Relationships (PANTHER) classification tool (http://www.pantherdb.org/).
Heatmaps were designed using R package pheatmap v1.0.12 [26].

3. Results

3.1. Proteomic Analysis in Serum

After the removal of proteins with fewer than 2 unique peptides, NMT <5% FDR, missing data and outliers, 379 serum proteins remained for statistical analysis (Table A1). The Wilcoxon–Mann–Whitney test revealed statistically significant different abundances in the HC and CMT groups for 35 proteins, corresponding to 16 unique genes after the removal of duplicates and isoforms, as summarized in Table 1 and Figure A1. The 35 proteins differentially expressed in serum in CMT and HC were used for subsequent bioinformatics analysis in terms of functional clusters, according to the PANTHER classification system (Table 2). The identified differentially modulated proteins in CMT and HC had three molecular functions: binding (40%), catalytic activity (30%) or molecular function regulators (30%). Three different biological processes were involved: 66% of proteins were involved in cellular process, 17% of proteins in biological adhesion and another 17% in localization. Regarding biological pathways, half of the proteins were involved in blood coagulation, while 25% were involved in the plasminogen activating cascade and in angiotensin II-stimulated signalling through G protein and beta-arrestin. Regarding protein class, 50% of proteins were enzyme modulators, followed by transfer/carrier proteins (17%), signalling molecules (17%), and receptors (16%).
Of the sixteen modulated proteins, seven were upregulated and nine were downregulated in CMT. Proteins with a fold increase greater than 2 were fibrinogen A-alpha chain (FGA) and IgA heavy chain constant region [Canis lupus familiaris]. The most downregulated proteins in CMT were interleukin-13 receptor subunit alpha-2 precursor [Canis lupus familiaris], immunoglobulin gamma-heavy chain A [Canis lupus familiaris], immunoglobulin gamma-heavy chain D [Canis lupus familiaris], and interleukin-13 receptor subunit alpha-2 precursor [Canis lupus familiaris].

3.2. Proteomic Analysis in Saliva

After the removal of proteins with fewer than two unique peptides, NMT <5% FDR, missing data and outliers, 730 proteins remained for statistical analysis (Table A2). The Wilcoxon–Mann–Whitney test identified 49 proteins (corresponding to 28 unique genes) with different abundances between the HC and CMT groups (p < 0.05), as summarized after the removal of duplicates and isoforms in Table 3 and Figure A2. Proteins differentially expressed in saliva between CMT and HC were used for subsequent bioinformatics analysis in terms of functional clusters, according to the PANTHER classification system, as shown in Table 2. The identified differentially modulated proteins in CMT and HC had five molecular functions: binding (37%), catalytic activity (28%), structural molecule activity (21%), molecular function regulators (7%), and molecular transducer activity (7%). Furthermore, proteins were involved in nine different biological processes—with 35%, 22%, and 13% of proteins involved with cellular process, metabolic process, and localization, respectively. Most proteins were involved in nucleic acid binding (50%), although there were also cytoskeletal proteins, isomerases and transfer/carrier proteins. Regarding biological pathways, the differentially modulated proteins were involved in de novo purine biosynthesis, de novo pyrimidine deoxyribonucleotide biosynthesis, de novo pyrimidine ribonucleotide biosynthesis, glycolysis (P00024), and salvage pyrimidine ribonucleotides (20% of proteins for each).
Of the 28 proteins, 27 were upregulated and 1 was downregulated. Protein S100-A6 (S100A6), major allergen Can f1 (CANF1), protein S100-A4 (S100A4), malate dehydrogenase (MDH2), and protein S100-A2 (S100A2) were the most upregulated proteins in MT, with >2 fold change. Kallikrein-1 (KLK1) was the only protein that was downregulated in the CMT group.
Finally, when proteomic results were compared between saliva and serum, the abundance of no protein changed statistically significantly in both serum and saliva.

3.3. Validation of Albumin

When the CMT and HC groups were compared, lower circulating concentrations of albumin were found in bitches with CMT (median (25–75th percentile), 2.9 (2.6–3.2) g/dL) in comparison to healthy controls (3.1 (3.1–3.4) g/dL) (p = 0.0173).

4. Discussion

In this report, serum and salivary proteomes showed changes in bitches with CMT when compared to healthy individuals. Some of the proteins that were modulated in the present study such as S100A4 or haptoglobin were also described in previous studies on canine mammary tumors [27] or human breast cancer [14,15,28,29], while other proteins including immunoglobulin gamma-heavy chains A and D or kallikrein-1 were described here for the first time as CMT-related proteins.
In serum, 35 of 379 proteins were differentially modulated in CMT. Fibrinogen A-alpha chain (FGA) was the most upregulated protein in serum in CMT. This protein is a degradation product of the alpha chain of fibrinogen [30] and its protective role against tumor growth and metastasis has been proposed previously [31]. Increases in fibrinogen degradation have been described in neoplasms and seem related to an increase in fibrin deposition in the tumor [32]. FGA has been proposed as a biomarker for HER2-positive breast cancer [33], although it can also appear increased in oral cancer [34] and in infectious diseases such as dirofilariosis or leishmaniosis [35].
The two most downregulated proteins in serum of bitches with CMT were interleukin-13 receptor subunit alpha-2 precursor and immunoglobulin gamma-heavy chains A and D. Interleukins are key immunoregulatory and anti-inflammatory cytokines in tumor cells, produced by different immune cells such as B, T, mast cells, dendritic or natural killer cells [36]. In dogs, the upregulation of interleukin-13 receptor subunit alpha-2 genes was observed in macrophages grown as a co-culture with canine mammary cancer cells [37]. In human breast cancer tissues, overexpression of interleukin-13 receptor subunit alpha-2 precursor has been suggested as an independent predictor of poorer outcome, playing important roles in cancer cell survival and progression, although it was dependent on the breast cancer subtype [38]. In the present study, dogs had cancers of low TNM grade and did not have relapses for at least 6 months, which could explain at least partially the observed low levels of this protein. Immunoglobulin gamma is the most abundant class of antibodies, predominant in the immune secondary response and participating in different important roles such as the activation of the complement cascade, or mediation of antibody-dependent cell cytotoxicity [39]. There is a lack of information on the possible relation between IgG and CMT and, therefore, further studies would be diserable in order to discern the possible reasons for the IgG downregulation observed in our study.
Additionally in serum, modulations of known acute-phase proteins (APP) in dogs with increases in haptoglobin and decreases in albumin were observed in the proteomic analysis of this study. While haptoglobin is considered a moderate APP in dogs that increases by approximately 2- to 5-fold, albumin is a negative APP that decreases during inflammation [40]. In agreement with our results, increases in serum haptoglobin concentrations were observed in dogs with mammary tumors when compared to healthy controls [41,42], as well as in dogs with hemolymphatic, mesenchymal, and epithelial tumors [40,43,44]. The downregulation of albumin in serum in CMT bitches was further verified previously by a commercially available kit using an automated analyser, showing a decrease in albumin in dogs with CMT in comparison to controls.
In saliva, three proteins of the S100A family, namely S100A2, S100A4, and S100A6, were among the most upregulated proteins in bitches with mammary tumors when compared to healthy controls. S100A proteins are a family of calcium-binding proteins with potential roles in different cancers including breast [45]. In breast cancer, the positive correlation between S100A4 expression and cancer progression has been described in several studies [28,46,47]. A controversial role in carcinogenesis has been described for S100A2, which has been proposed both as a tumor suppressor [48] and a tumor promotor [49]. Higher tissue expression of S100A2 was significantly correlated with worse overall survival in ovarian cancer patients [15], and S100A2 protein expression in saliva was observed to be higher in oral squamous cell carcinoma patients in comparison to other oral potentially malignant disorders. S100A6 expression has been associated with worse prognosis or the progression of several cancers including oncogynecology [50], colorectal [51], gastric [52], and renal [53]. In contrast, a recent study suggests a relation between S100A6 expression and better prognosis in breast cancer [54]. However, to the best of our knowledge, this is the first report in which the S100A family is described in saliva of bitches with mammary tumors. Based on our results and previous studies in women, evaluation of the S100A family as possible biomarkers of prognosis and evolution of mammary tumors in dogs could be of interest in order to evaluate whether dogs with poorer prognosis can have higher values of these proteins.
Calmodulin-like proteins, namely CALM2 and CALM3, were also upregulated in saliva of bitches with mammary tumors. These proteins are described here as modulated in saliva in CMT for the first time. Previous studies in humans reported overexpression of calmodulins in serum of patients with breast cancer [55] and the use of calmodulin antagonists as a therapeutic strategy [56].
Kallikrein-1-like (KLK1) protein was the only downregulated protein in saliva of bitches with CMT. Both kallikrein genes and proteins might promote or inhibit cancer cell growth, angiogenesis, invasion and metastasis by different mechanisms [57]. Therefore, the role of KLK in cancer is still controversial, with several studies associating KLK with better or worse income. For example, the in vitro inhibition of KLK1 suppresses the invasiveness of breast cancer cells, and therefore it could be a defence mechanism [58]. On the other hand, KLK-mediated degradation of extracellular matrix proteins facilitates tumor cell invasion and metastasis [59], and higher serum levels of other kallikreins such as KLK5 [60], KLK10 [61], and KLK14 [62] have been found in women with breast cancer when compared to healthy ones. Hormonal regulation of KLK1 expression was suggested in human prostate and breast tissues [63] and its salivary secretion was proposed as modulated by age [64]. Nevertheless, to the best of the author’s knowledge, this is the first report describing a downregulation of KLK1 in saliva in CMT, and the possible causes for its modulation should be further studied.
When serum and salivary proteomes were compared, approximately twice as many proteins were identified in saliva compared to serum (730 in saliva vs. 379 in serum). This is in agreement with previous studies reporting a higher number of proteins in saliva [65], and indicates that saliva can provide opportunities for the identification of new non-invasive biomarkers. This fact also suggests that a high number of proteins that appear in saliva are not transported from blood but may come from salivary glands, nasal and bronchial secretions, gingival crevicular fluid among others, and, thus, their origin should be investigated in future studies. In our study, none of the proteins were significantly differentially modulated in both serum and saliva at the same time, which reinforces the possible different origin of many proteins in serum and saliva.
The results of the present study suffer from some limitations. First, the included animals were client-owned bitches of different breeds, which may have influenced our results and increased variability since, for example, higher expression of p53 (which is generally associated with poorer overall survival) has been reported in large-breed dogs [66]. In addition, although these biomarkers were not studied in our reports, cancer-related biomarkers including estrogen receptor alpha (ERα), progesterone receptor (PR) and human epidermal growth factor receptor 2 (HER2) differ between the type and subtype of CMT and could have a potential influence in the results [67,68]. Finally, the sample size was relatively small, although it was greater than the minimum of three biological replicates recommended for proteomic studies [69]. Therefore, this study should be considered as a pilot study, and further research with larger populations are needed in order to confirm our findings and to evaluate the potential influence of variables such as age, breed, tumor type based on immunophenotype, and hormonal influence in addition to other possible confounding factors such as other types of neoplasms, different diseases or the presence of oral alterations such as gingivitis.

5. Conclusions

Dogs with CMT have changes in serum and saliva proteomes as compared to healthy dogs. Bioinformatic analyses in serum and saliva showed that most modulated proteins have binding or catalytic activity molecular functions. Proteins such as kallikrein-1 and immunoglobulin gamma-heavy chains A and D were related to CMT in this study for the first time, and could be considered as potential novel CMT biomarkers. In addition, some of the modulated proteins found in the present study such as haptoglobin or S100A4 have been related to CMT or human breast cancer previously, which confirms the validity of our study design for CMT evaluation and the use of CMT as a model for breast cancer research. Overall, data presented in this report reflect the changes that occur in the proteome of serum and saliva in dogs with CMT and could be a potential source for the study of new biomarkers for this disease.

Author Contributions

Conceptualization, V.M., J.J.C., S.M.-S. and A.T.; formal analysis, L.F.-M. and A.H.; resources, R.D.; software, A.G.; supervision, V.M. and J.J.C.; validation, M.D.C.-A.; writing—original draft, L.F.-M. All authors have read and agreed to the published version of the manuscript.

Funding

L.F.-M. and M.D.C.-A. were granted with pre-doctoral contract ‘FPU’ of University of Murcia, Spain. A.T. has a post-doctoral fellowship “Ramón y Cajal” supported by the “Ministerio de Economía y Competitividad”, Spain. This work was supported by a grant from the Program for Research Groups of Excellence of the Seneca Foundation, Murcia, Spain (grant 19894/GERM/15), European Commission ERA chair FP7 grant (VetMedZg #621394), and by the Seneca Foundation-Agency of Science and Technology of the Region of Murcia through the Subprogram of Support to the Scientific Leadership and the Transition to the Independent Investigation (20649/JLI/18).

Acknowledgments

The authors would like to thank the pet owners and their colleagues that kindly agreed to collaborate in this study.

Conflicts of Interest

The authors declare no conflict of interest.

Appendix A

Figure A1. Heatmap showing the relative abundance (color) of serum proteins in healthy (HC) dogs and dogs with canine mammary tumors (CMT).
Figure A1. Heatmap showing the relative abundance (color) of serum proteins in healthy (HC) dogs and dogs with canine mammary tumors (CMT).
Animals 10 00741 g0a1
Figure A2. Heatmap showing the relative abundance (color) of salivary proteins in healthy (HC) dogs and dogs with canine mammary tumors (CMT).
Figure A2. Heatmap showing the relative abundance (color) of salivary proteins in healthy (HC) dogs and dogs with canine mammary tumors (CMT).
Animals 10 00741 g0a2
Table A1. Serum proteins identified in dogs with canine mammary tumors (CMT) and healthy controls (HC).
Table A1. Serum proteins identified in dogs with canine mammary tumors (CMT) and healthy controls (HC).
Gene NameAccession NumberNo. Unique PeptidesProtein DescriptionFold Change (log2)p-Value
C614183302277complement component C6 [Canis lupus dingo]0.3260.008
C612398993367complement component C6 [Canis lupus familiaris]0.3260.008
IGHAC5981079IgA heavy chain constant region, partial [Canis lupus familiaris]0.8080.008
SERPINF11196378375pigment epithelium-derived factor [Canis lupus familiaris]−0.3640.008
SERPINF15455102435pigment epithelium-derived factor isoform X1 [Canis lupus familiaris]−0.3640.008
AMBP14183221702protein AMBP [Canis lupus dingo]−0.3540.008
AMBP3457777122protein AMBP [Canis lupus familiaris]−0.3540.008
N/A607346062unnamed protein product, partial [Canis lupus familiaris]1.0210.008
N/A607346075unnamed protein product, partial [Canis lupus familiaris]0.6300.008
AGT54549475711angiotensinogen [Canis lupus familiaris]−0.1900.016
AGT58212573angiotensinogen, partial [Canis lupus familiaris]−0.3040.016
C5141832130331complement C5 [Canis lupus dingo]0.2510.016
C5123992576029complement C5 [Canis lupus familiaris]0.2560.016
FGA130404712fibrinogen A-alpha chain, partial [Canis lupus familiaris]2.5070.016
FGA141833634624fibrinogen-alpha chain [Canis lupus dingo]2.3780.016
FGA7397832924fibrinogen-alpha chain [Canis lupus familiaris]2.3780.016
FN1127241411fibronectin, partial [Canis lupus familiaris]−0.3640.016
GSN141832241115gelsolin isoform X1 [Canis lupus dingo]−0.2810.016
GSN141832241315gelsolin isoform X2 [Canis lupus dingo]−0.2810.016
GSN141832241515gelsolin isoform X3 [Canis lupus dingo]−0.2810.016
IGHGD170665308immunoglobulin gamma-heavy chain D [Canis lupus familiaris]−1.0730.016
N/A166076486unnamed protein product [Canis lupus familiaris]−1.2410.016
IL13RA2166077156interleukin-13 receptor subunit alpha-2 precursor [Canis lupus familiaris]−1.2500.016
N/A166077248unnamed protein product [Canis lupus familiaris]−1.0730.016
N/A166076818unnamed protein product, partial [Canis lupus familiaris]−1.0730.016
APOH29608913apolipoprotein H; beta-2-glycoprotein I [Canis lupus familiaris]−0.1470.032
GSN123992576214gelsolin [Canis lupus familiaris]−0.2830.032
HP25849925haptoglobin heavy chain, HpH chain [dogs, Peptide, 245 aa]0.5440.032
SERPIND134579143911heparin cofactor 2 [Canis lupus familiaris]0.2240.032
SERPIND1141826410710LOW QUALITY PROTEIN: heparin cofactor 2 [Canis lupus dingo]0.2240.032
N/A166076783unnamed protein product, partial [Canis lupus familiaris]−1.1840.032
ALB33198972albumin [Canis lupus familiaris]−0.2840.048
FCN2739677784ficolin-2 isoform X1 [Canis lupus familiaris]0.5290.048
FCN212399206894ficolin-2 isoform X2 [Canis lupus familiaris]0.5290.048
ALB14183285474LOW QUALITY PROTEIN: serum albumin-like [Canis lupus dingo]−0.2760.048
ALB21470922albumin—dog (fragment)−0.3380.056
FGB141833646524fibrinogen beta chain [Canis lupus dingo]1.9360.056
FN112724128fibronectin, partial [Canis lupus familiaris]−0.2900.056
HP7395709530haptoglobin-like [Canis lupus familiaris]0.4930.056
AOC3570910572membrane primary amine oxidase isoform X1 [Canis lupus familiaris]0.3420.056
AOC314183400662membrane primary amine oxidase isoform X2 [Canis lupus dingo]0.3420.056
AOC312399182662membrane primary amine oxidase isoform X3 [Canis lupus familiaris]0.3420.056
AOC312399182692membrane primary amine oxidase isoform X4 [Canis lupus familiaris]0.3420.056
KLKB114182556387plasma kallikrein isoform X1 [Canis lupus dingo]−0.1950.056
KLKB112399385056plasma kallikrein isoform X2 [Canis lupus familiaris]−0.1950.056
HP12351130Haptoglobin beta chain0.4930.056
RBP49281757816retinol-binding protein 4 [Canis lupus familiaris]−0.3970.056
F91639483factor IX [Canis lupus familiaris]0.2760.057
FGG54552489719fibrinogen gamma chain isoform X1 [Canis lupus familiaris]2.0930.095
FGG7397799219fibrinogen gamma chain isoform X2 [Canis lupus familiaris]2.0930.095
IGL-112399648762immunoglobulin lambda-1 light chain isoform X32 [Canis lupus familiaris]−0.3640.095
IGL-112399648842immunoglobulin lambda-1 light chain isoform X37 [Canis lupus familiaris]−0.3640.095
IGL-112399649042immunoglobulin lambda-1 light chain isoform X48 [Canis lupus familiaris]−0.3640.095
IGL-112399649062immunoglobulin lambda-1 light chain isoform X49 [Canis lupus familiaris]−0.3640.095
CPB214182759042carboxypeptidase B2 [Canis lupus dingo]0.6720.100
C8A14183111203complement component C8 alpha chain isoform X1 [Canis lupus dingo]−0.3940.100
C8A3593193773complement component C8 alpha chain isoform X1 [Canis lupus familiaris]−0.3940.100
C8A14183111223complement component C8 alpha chain isoform X2 [Canis lupus dingo]−0.3940.100
C8A12399028943complement component C8 alpha chain isoform X2 [Canis lupus familiaris]−0.3940.100
ACTC1571080933actin, alpha cardiac muscle 1 [Canis lupus familiaris]0.1280.111
ACTA114185091633actin, alpha skeletal muscle [Canis lupus dingo]0.1280.111
ACTA15454947773actin, alpha skeletal muscle [Canis lupus familiaris]0.1280.111
ACTA214183415143actin, aortic smooth muscle [Canis lupus dingo]0.1280.111
ACTB9241835134actin, cytoplasmic 1 [Canis lupus familiaris]0.1280.111
ACTB5455007824actin, cytoplasmic 1 isoform X1 [Canis lupus familiaris]0.1280.111
ACTB14182481184actin, cytoplasmic 2 [Canis lupus dingo]0.1280.111
ACTG19244428474actin, cytoplasmic 2 [Canis lupus familiaris]0.1280.111
ACTG214182106823actin, gamma-enteric smooth muscle [Canis lupus dingo]0.1280.111
ACTB55970053beta-actin [Canis lupus familiaris]0.1280.111
C39281647034complement C3 [Canis lupus familiaris]−0.3740.111
LOC11267634614182602622uncharacterized protein LOC112676346 [Canis lupus dingo]−0.6980.111
F514183169472coagulation factor V [Canis lupus dingo]0.2990.114
F55455049202coagulation factor V [Canis lupus familiaris]0.2990.114
C1qB14185074775complement C1q subcomponent subunit B [Canis lupus dingo]0.1010.135
ADIPOQ14185154783adiponectin isoform X1 [Canis lupus dingo]−0.3020.151
ADIPOQ12399776203adiponectin isoform X2 [Canis lupus familiaris]−0.3020.151
ADIPOQ547927483adiponectin precursor [Canis lupus familiaris]−0.3020.151
ADIPOQ158254953adiponectin, partial [Canis lupus familiaris]−0.3020.151
ADIPOQ2046380753adiponectin, partial [Canis lupus]−0.3020.151
APOA114182418895apolipoprotein A-I [Canis lupus dingo]−0.3850.151
APOB784994135apolipoprotein B, partial [Canis mesomelas]0.1330.151
APOB784994155apolipoprotein B, partial [Canis simensis]0.1330.151
APOC214183046483apolipoprotein C-II [Canis lupus dingo]−0.3950.151
APOC21639033apolipoprotein C-II precursor [Canis lupus familiaris]−0.3950.151
APOC31639052apolipoprotein C-III precursor [Canis lupus familiaris]−0.4290.151
APOC39248594803apolipoprotein C-III precursor [Canis lupus familiaris]−0.3960.151
C314182184308complement C3 [Canis lupus dingo]0.2280.151
CFI141824301310complement factor I isoform X1 [Canis lupus dingo]−0.0930.151
CFI123997629310complement factor I isoform X1 [Canis lupus familiaris]−0.0930.151
CFI141824301510complement factor I isoform X2 [Canis lupus dingo]−0.0930.151
CFI123997629510complement factor I isoform X2 [Canis lupus familiaris]−0.0930.151
CFI141824301710complement factor I isoform X3 [Canis lupus dingo]−0.0930.151
CFI54555224210complement factor I isoform X3 [Canis lupus familiaris]−0.0930.151
CFI14182430199complement factor I isoform X4 [Canis lupus dingo]−0.0900.151
CFI9281790049complement factor I isoform X4 [Canis lupus familiaris]−0.0900.151
HPX7398872515hemopexin [Canis lupus familiaris]0.2850.151
ITIH1141821624221inter-alpha-trypsin inhibitor heavy chain H1 [Canis lupus dingo]−0.1520.151
ITIH17398548521inter-alpha-trypsin inhibitor heavy chain H1 isoform X1 [Canis lupus familiaris]−0.1520.151
ITIH1123994988120inter-alpha-trypsin inhibitor heavy chain H1 isoform X2 [Canis lupus familiaris]−0.1550.151
ITIH314182162284inter-alpha-trypsin inhibitor heavy chain H3 isoform X1 [Canis lupus dingo]−0.3720.151
ITIH314182162304inter-alpha-trypsin inhibitor heavy chain H3 isoform X2 [Canis lupus dingo]−0.3720.151
KRT1014183375636keratin, type I cytoskeletal 10 isoform X1 [Canis lupus dingo]−0.3080.151
KRT109281444386keratin, type I cytoskeletal 10 isoform X1 [Canis lupus familiaris]−0.3080.151
KRT1014183375656keratin, type I cytoskeletal 10 isoform X2 [Canis lupus dingo]−0.3080.151
KRT109281444406keratin, type I cytoskeletal 10 isoform X2 [Canis lupus familiaris]−0.3080.151
KRT1014183375676keratin, type I cytoskeletal 10 isoform X3 [Canis lupus dingo]−0.3080.151
KRT109281444426keratin, type I cytoskeletal 10 isoform X3 [Canis lupus familiaris]−0.3080.151
ITIH39281863314LOW QUALITY PROTEIN: inter-alpha-trypsin inhibitor heavy chain H3 [Canis lupus familiaris]−0.3720.151
TF9281676323serotransferrin [Canis lupus familiaris]−0.1040.151
LOC11267626514182602272uncharacterized protein LOC112676265 [Canis lupus dingo]−0.5050.151
HBB22734381714chain B, crystal structure of dog (Canis Familiaris) hemoglobin1.0530.190
HBA1943684992chain C, hemoglobin subunit alpha1.0590.190
HBD1034841233globin, partial [Canis lupus familiaris]1.3920.190
HBB141822227413hemoglobin subunit beta [Canis lupus dingo]1.0680.190
HBB14182222768hemoglobin subunit beta-like [Canis lupus dingo]1.1550.190
MGAM141832450832maltase-glucoamylase, intestinal isoform X1 [Canis lupus dingo]0.2330.190
MGAM123993891232maltase-glucoamylase, intestinal isoform X1 [Canis lupus familiaris]0.2330.190
MGAM141832451432maltase-glucoamylase, intestinal isoform X2 [Canis lupus dingo]0.2330.190
MGAM92815654032maltase-glucoamylase, intestinal isoform X2 [Canis lupus familiaris]0.2330.190
HBA111019728929TPA: globin A1 [Canis lupus familiaris]1.1520.190
TFRC109463108transferrin receptor [Canis lupus familiaris]−0.2960.190
TFRC7012177528transferrin receptor protein 1 [Canis lupus]−0.2960.190
TFRC3871780378transferrin receptor protein 1 [Canis mesomelas]−0.2960.190
MBL214183270842mannose-binding protein C [Canis lupus dingo]−0.6400.200
MBL2739537332mannose-binding protein C [Canis lupus familiaris]−0.6400.200
APOB787091338apolipoprotein B, partial [Canis adustus]0.3750.206
APOB787091358apolipoprotein B, partial [Canis aureus]0.3750.206
APOB787091377apolipoprotein B, partial [Canis latrans]0.3750.206
APOB787091438apolipoprotein B, partial [Canis simensis]0.3750.206
A1BG141829723713alpha-1B-glycoprotein [Canis lupus dingo]−0.1650.222
A1BG54548702413alpha-1B-glycoprotein [Canis lupus familiaris]−0.1650.222
APOB787091416apolipoprotein B, partial [Canis mesomelas]0.4350.222
CP141851022226ceruloplasmin isoform X1 [Canis lupus dingo]0.1410.222
CP141851022626ceruloplasmin isoform X2 [Canis lupus dingo]0.1410.222
CP141851022826ceruloplasmin isoform X3 [Canis lupus dingo]0.1410.222
CP141851023026ceruloplasmin isoform X4 [Canis lupus dingo]0.1410.222
FN1141834324757fibronectin isoform X1 [Canis lupus dingo]−0.1240.222
FN192818252157fibronectin isoform X1 [Canis lupus familiaris]−0.1240.222
FN1141834326556fibronectin isoform X10 [Canis lupus dingo]−0.1230.222
FN192818252356fibronectin isoform X10 [Canis lupus familiaris]−0.1230.222
FN1141834326757fibronectin isoform X11 [Canis lupus dingo]−0.1160.222
FN192818251957fibronectin isoform X11 [Canis lupus familiaris]−0.1160.222
FN1141834324957fibronectin isoform X2 [Canis lupus dingo]−0.1240.222
FN1123998223957fibronectin isoform X2 [Canis lupus familiaris]−0.1240.222
FN1141834325157fibronectin isoform X3 [Canis lupus dingo]−0.1240.222
FN1123998224157fibronectin isoform X3 [Canis lupus familiaris]−0.1240.222
FN1141834325358fibronectin isoform X4 [Canis lupus dingo]−0.1160.222
FN192818250758fibronectin isoform X4 [Canis lupus familiaris]−0.1160.222
FN1141834325558fibronectin isoform X5 [Canis lupus dingo]−0.1160.222
FN192818250958fibronectin isoform X5 [Canis lupus familiaris]−0.1160.222
FN1141834325756fibronectin isoform X6 [Canis lupus dingo]−0.1230.222
FN1123998224356fibronectin isoform X6 [Canis lupus familiaris]−0.1230.222
FN1141834325958fibronectin isoform X7 [Canis lupus dingo]−0.1160.222
FN192818251158fibronectin isoform X7 [Canis lupus familiaris]−0.1160.222
FN1141834326154fibronectin isoform X8 [Canis lupus dingo]−0.1080.222
FN1123998224554fibronectin isoform X8 [Canis lupus familiaris]−0.1080.222
FN1141834326358fibronectin isoform X9 [Canis lupus dingo]−0.1160.222
FN192818251358fibronectin isoform X9 [Canis lupus familiaris]−0.1160.222
LOC611458141821397658pregnancy zone protein-like isoform X1 [Canis lupus dingo]−0.2090.222
LOC61145854554641257pregnancy zone protein-like isoform X1 [Canis lupus familiaris]−0.2040.222
LOC611458141821397859pregnancy zone protein-like isoform X2 [Canis lupus dingo]−0.2050.222
LOC61145854554641458pregnancy zone protein-like isoform X2 [Canis lupus familiaris]−0.2010.222
LOC611458141821398051pregnancy zone protein-like isoform X3 [Canis lupus dingo]−0.1770.222
LOC611458123996724750pregnancy zone protein-like isoform X3 [Canis lupus familiaris]−0.1720.222
CLEC3B14182203575tetranectin [Canis lupus dingo]−0.1750.222
CLEC3B9281628113tetranectin [Canis lupus familiaris]−0.1970.222
F13B5455042084coagulation factor XIII B chain [Canis lupus familiaris]−0.2090.229
F1033281994coagulation factor X, partial [Canis lupus familiaris]0.0930.257
F1014183404954coagulation factor X-like isoform X1 [Canis lupus dingo]0.0930.257
C8G14182666082complement component C8 gamma chain isoform X1 [Canis lupus dingo]0.1240.286
C8G12399203982complement component C8 gamma chain isoform X1 [Canis lupus familiaris]0.1240.286
GPX314183278537glutathione peroxidase 3 [Canis lupus dingo]−0.2210.286
TFRC14182000847transferrin receptor protein 1 [Canis lupus dingo]−0.2800.286
ALB66871884albumin [Canis lupus familiaris]−0.6060.310
SERPINA37396443212alpha-1-antichymotrypsin [Canis lupus familiaris]0.0980.310
ALB11046853074chain A, serum albumin−0.6060.310
C212399288497complement C2 isoform X1 [Canis lupus familiaris]0.0540.310
C214182904627complement C2 isoform X2 [Canis lupus dingo]0.0540.310
C212399288537complement C2 isoform X3 [Canis lupus familiaris]0.0540.310
C7141832974315complement component C7 isoform X3 [Canis lupus dingo]0.0610.310
GPLD154555452913phosphatidylinositol-glycan-specific phospholipase D isoform X1 [Canis lupus familiaris]0.1060.310
GPLD1141820463313phosphatidylinositol-glycan-specific phospholipase D isoform X2 [Canis lupus dingo]0.1060.310
APOD9281800904apolipoprotein D [Canis lupus familiaris]−0.0750.341
CLU16395414glycoprotein 80 [Canis lupus familiaris]0.1020.341
ITIH2141850214018inter-alpha-trypsin inhibitor heavy chain H2 [Canis lupus dingo]−0.0990.389
ITIH27394915818inter-alpha-trypsin inhibitor heavy chain H2 [Canis lupus familiaris]−0.0990.389
LBP3457896376lipopolysaccharide-binding protein [Canis lupus familiaris]0.4390.400
LBP14182517365LOW QUALITY PROTEIN: lipopolysaccharide-binding protein [Canis lupus dingo]0.4980.400
SERPINA3141834597011alpha-1-antichymotrypsin [Canis lupus dingo]0.1130.413
SAA12270173amyloid A protein−2.0120.413
IGJ; JCHAIN12399655322immunoglobulin iota chain-like [Canis lupus familiaris]−0.0950.413
SAA19281662074serum amyloid A protein [Canis lupus familiaris]−1.4970.413
SAA114182232004serum amyloid A protein-like [Canis lupus dingo]−1.4970.413
SAA1571027303serum amyloid A protein-like [Canis lupus familiaris]−2.0120.413
SAA1557417273serum amyloid A1 precursor [Canis lupus familiaris]−2.0120.413
SERPINF214182673495alpha-2-antiplasmin isoform X1 [Canis lupus dingo]0.0840.421
SERPINF2739673635alpha-2-antiplasmin isoform X1 [Canis lupus familiaris]0.0840.421
SERPINF214182673435alpha-2-antiplasmin isoform X2 [Canis lupus dingo]0.0840.421
SERPINF25455121455alpha-2-antiplasmin isoform X2 [Canis lupus familiaris]0.0840.421
APOC114183046544apolipoprotein C-I [Canis lupus dingo]−0.2110.421
C4BPB14183154593C4b-binding protein beta chain [Canis lupus dingo]−0.0820.421
C914183300626complement component C9 [Canis lupus dingo]0.1030.421
C95454963176complement component C9 [Canis lupus familiaris]0.1030.421
FETUB740035563fetuin-B [Canis lupus familiaris]0.6260.421
HABP214182458803hyaluronan-binding protein 2 [Canis lupus dingo]−0.1340.421
HABP25455479803hyaluronan-binding protein 2 [Canis lupus familiaris]−0.1340.421
ITIH154553341917inter-alpha-trypsin inhibitor heavy chain H1 isoform X3 [Canis lupus familiaris]−0.1220.421
GPLD192818123411phosphatidylinositol-glycan-specific phospholipase D isoform X3 [Canis lupus familiaris]0.1290.421
SERPINA514183461866plasma serine protease inhibitor [Canis lupus dingo]0.1910.421
SERPINA55455084056plasma serine protease inhibitor [Canis lupus familiaris]0.1910.421
PLG1813961913plasminogen, partial [Canis lupus familiaris]−0.0990.421
CFP740073562properdin [Canis lupus familiaris]0.1720.421
F235932196119prothrombin [Canis lupus familiaris]0.0550.421
APOE391560511Apolipoprotein E0.2100.421
SERPING112399442687plasma protease C1 inhibitor [Canis lupus familiaris]−0.0980.516
AFM141832867126afamin [Canis lupus dingo]−0.0670.548
AFM7397538927afamin [Canis lupus familiaris]−0.0680.548
A2M141821397447alpha-2-macroglobulin [Canis lupus dingo]−0.0340.548
A2M34579242447alpha-2-macroglobulin [Canis lupus familiaris]−0.0340.548
APOB784994075apolipoprotein B, partial [Canis aureus]0.0330.548
APOB100141821277374apolipoprotein B-100 [Canis lupus dingo]0.0780.548
APOB10054552832174apolipoprotein B-100 [Canis lupus familiaris]0.0780.548
APOE5703644610apolipoprotein E [Canis lupus familiaris]0.2110.548
F1214183259253coagulation factor XII isoform X1 [Canis lupus dingo]−0.0530.548
F12739539943coagulation factor XII isoform X1 [Canis lupus familiaris]−0.0530.548
F1214183259273coagulation factor XII isoform X2 [Canis lupus dingo]−0.0530.548
F125454956433coagulation factor XII isoform X2 [Canis lupus familiaris]−0.0530.548
F1214183259293coagulation factor XII isoform X3 [Canis lupus dingo]−0.0530.548
F1212398983603coagulation factor XII isoform X3 [Canis lupus familiaris]−0.0530.548
C7141832973917complement component C7 isoform X1 [Canis lupus dingo]0.0300.548
C77395382417complement component C7 isoform X1 [Canis lupus familiaris]0.0300.548
C7141832974116complement component C7 isoform X2 [Canis lupus dingo]0.0710.548
C7123989937016complement component C7 isoform X2 [Canis lupus familiaris]0.0710.548
FETUB14185155343fetuin-B [Canis lupus dingo]0.1460.548
HRG141851561613histidine-rich glycoprotein isoform X1 [Canis lupus dingo]−0.3030.548
HRG54555376212histidine-rich glycoprotein isoform X1 [Canis lupus familiaris]−0.3040.548
IGJ; JCHAIN3457796665immunoglobulin J chain [Canis lupus familiaris]−0.0810.548
IGL-114182635773immunoglobulin lambda-1 light chain-like [Canis lupus dingo]−0.2850.548
QSOX19281391543LOW QUALITY PROTEIN: sulfhydryl oxidase 1, partial [Canis lupus familiaris]0.0610.548
SERPING1141820794110plasma protease C1 inhibitor [Canis lupus dingo]−0.1020.548
APOA25975009685Apolipoprotein A-II; −0.1380.548
QSOX114183159683sulfhydryl oxidase 1 isoform X1 [Canis lupus dingo]0.0610.548
QSOX114183159703sulfhydryl oxidase 1 isoform X2 [Canis lupus dingo]0.0610.548
QSOX114183159723sulfhydryl oxidase 1 isoform X3 [Canis lupus dingo]0.0610.548
VTN14182678885vitronectin [Canis lupus dingo]0.0220.548
IGH-CH11243900073immunoglobulin heavy chain constant region CH1, partial [Canis lupus familiaris]0.1870.556
SAA114182232047serum amyloid A protein [Canis lupus dingo]−1.5680.556
SAA15455369807serum amyloid A protein isoform X1 [Canis lupus familiaris]−1.5680.556
SAA11640607serum amyloid A protein, partial [Canis lupus familiaris]−1.5680.556
SAA11640647serum amyloid A protein, partial [Canis lupus familiaris]−1.5680.556
SAA11640667serum amyloid A protein, partial [Canis lupus familiaris]−1.5680.556
SAA11640687serum amyloid A protein, partial [Canis lupus familiaris]−1.5680.556
SAA114182231947serum amyloid A protein-like [Canis lupus dingo]−1.5680.556
SAA15455357667serum amyloid A1 isoform X1 [Canis lupus familiaris]−1.5680.556
KRT114182214636keratin, type II cytoskeletal 1 [Canis lupus dingo]−0.2500.629
KRT1750626936Keratin, type II cytoskeletal 1; −0.2500.629
PEPD14183056162xaa-Pro dipeptidase isoform X1 [Canis lupus dingo]−0.1790.629
PEPD739485262xaa-Pro dipeptidase isoform X1 [Canis lupus familiaris]−0.1790.629
PEPD5454890372xaa-Pro dipeptidase isoform X2 [Canis lupus familiaris]−0.1790.629
APOB628705052apolipoprotein B, partial [Canis lupus]0.2770.667
APOB2560169572apolipoprotein B, partial [Canis lupus]0.2770.667
APOB2693074992apolipoprotein B, partial [Canis lupus]0.2770.667
APOB1009257180152apolipoprotein B-100, partial [Canis adustus]0.2770.667
APOB1009257180212apolipoprotein B-100, partial [Canis aureus]0.2770.667
APOB1009257180272apolipoprotein B-100, partial [Canis aureus]0.2770.667
APOB1009257180292apolipoprotein B-100, partial [Canis aureus]0.2770.667
APOB1009257180332apolipoprotein B-100, partial [Canis latrans]0.2770.667
APOB1009257180592apolipoprotein B-100, partial [Canis latrans]0.2770.667
APOB1009257180532apolipoprotein B-100, partial [Canis lupus]0.2770.667
APOB1009257180372apolipoprotein B-100, partial [Canis simensis]0.2770.667
IGHE10966652Ig:SUBUNIT = epsilon−1.0050.667
THBS114182597224thrombospondin-1 [Canis lupus dingo]−0.3410.667
THBS13457946394thrombospondin-1 [Canis lupus familiaris]−0.3410.667
LRG114182180167leucine-rich alpha-2-glycoprotein [Canis lupus dingo]0.0050.683
SERPINF214182673454alpha-2-antiplasmin isoform X3 [Canis lupus dingo]0.0460.690
SERPINF212399201224alpha-2-antiplasmin isoform X3 [Canis lupus familiaris]0.0460.690
SERPINF214182673474alpha-2-antiplasmin isoform X4 [Canis lupus dingo]0.0460.690
SERPINF212399201244alpha-2-antiplasmin isoform X4 [Canis lupus familiaris]0.0460.690
C4BPA141831546224C4b-binding protein alpha chain [Canis lupus dingo]0.0790.690
CPN114182450693carboxypeptidase N catalytic chain isoform X2 [Canis lupus dingo]0.2220.690
SERPINA65455083873corticosteroid-binding globulin [Canis lupus familiaris]0.0620.690
SERPINA614183460253corticosteroid-binding globulin-like [Canis lupus dingo]0.0620.690
IGH13402365722immunoglobulin heavy chain variable region, partial [Canis lupus familiaris]−0.1760.690
IGJ; JCHAIN197156612immunoglobulin J chain, partial [Canis lupus familiaris]−0.1300.690
PLG55869538833plasminogen precursor [Canis lupus familiaris]−0.0150.690
ACT14183330422actin, clone 302-like [Canis lupus dingo]−0.0050.700
ACTB12226692beta-actin, partial [Canis lupus familiaris]−0.0050.700
N/A14182043432C-C motif chemokine 14-like [Canis lupus dingo]−0.1090.700
N/A15350878183unnamed protein product [Toxocara canis]−0.0050.700
AZGP1709099455zinc alpha-2-glycoprotein 1, partial [Canis lupus familiaris]−0.0160.700
IGH-CH21243900093immunoglobulin heavy chain constant region CH2, partial [Canis lupus familiaris]−0.0190.722
ORM114183227888alpha-1-acid glycoprotein 1-like [Canis lupus dingo]0.2580.730
C314182188535complement C3-like [Canis lupus dingo]−0.2740.730
IGL-15455446833immunoglobulin lambda-1 light chain isoform X34 [Canis lupus familiaris]−0.1560.730
TF14185104232serotransferrin-like [Canis lupus dingo]−0.2190.730
C1r141825618210complement C1r subcomponent [Canis lupus dingo]0.0000.786
AHSG141851549510alpha-2-HS-glycoprotein [Canis lupus dingo]−0.3320.841
APOE42839727395apolipoprotein E4, partial [Canis lupus familiaris]0.1580.841
APOE42839727415apolipoprotein E4, partial [Canis lupus familiaris]0.1580.841
APOE42839727535apolipoprotein E4, partial [Canis lupus familiaris]0.1580.841
APOM570943493apolipoprotein M isoform X1 [Canis lupus familiaris]−0.0210.841
CD5L59012182315apoptosis inhibitor of macrophage [Canis lupus familiaris]−0.0930.841
CPN25455532643carboxypeptidase N subunit 2 [Canis lupus familiaris]0.0830.841
CD5L141831768415CD5 antigen-like [Canis lupus dingo]−0.0930.841
C1s739972756complement C1s subcomponent [Canis lupus familiaris]−0.0480.841
CFB141829046627complement factor B [Canis lupus dingo]−0.0390.841
CFB34577839727complement factor B [Canis lupus familiaris]−0.0390.841
HRG14185156189histidine-rich glycoprotein isoform X2 [Canis lupus dingo]−0.1640.841
HRG5455537649histidine-rich glycoprotein isoform X2 [Canis lupus familiaris]−0.1640.841
IGH-CH41243900134immunoglobulin heavy chain constant region CH4, partial [Canis lupus familiaris]−0.2800.841
IGH2083420483immunoglobulin heavy chain variable region, partial [Canis lupus familiaris]0.1900.841
ITIH492818632530inter-alpha-trypsin inhibitor heavy chain H4 isoform X1 [Canis lupus familiaris]0.0020.841
ITIH4123988326329inter-alpha-trypsin inhibitor heavy chain H4 isoform X2 [Canis lupus familiaris]0.0020.841
ITIH492818632730inter-alpha-trypsin inhibitor heavy chain H4 isoform X3 [Canis lupus familiaris]0.0020.841
CPN214181982713LOW QUALITY PROTEIN: carboxypeptidase N subunit 2-like [Canis lupus dingo]0.0830.841
MGAM214183245023putative maltase-glucoamylase-like protein FLJ16351 [Canis lupus dingo]−0.0080.841
MGAM212399389023putative maltase-glucoamylase-like protein FLJ16351 isoform X1 [Canis lupus familiaris]−0.0080.841
MGAM212399389043putative maltase-glucoamylase-like protein FLJ16351 isoform X2 [Canis lupus familiaris]−0.0080.841
IGH2083421963immunoglobulin heavy chain variable region, partial [Canis lupus familiaris]0.1220.857
SAA15455369766serum amyloid A protein-like [Canis lupus familiaris]−1.1600.886
CPN19281759864carboxypeptidase N catalytic chain isoform X1 [Canis lupus familiaris]−0.0010.905
CP92816752725ceruloplasmin isoform X1 [Canis lupus familiaris]0.0600.905
CP123995783625ceruloplasmin isoform X2 [Canis lupus familiaris]0.0600.905
CP7399036725ceruloplasmin isoform X3 [Canis lupus familiaris]0.0600.905
CP123995783925ceruloplasmin isoform X4 [Canis lupus familiaris]0.0600.905
C1qA14185068792complement C1q subcomponent subunit A [Canis lupus dingo]0.0630.905
IGL1644304862immunoglobulin lambda light chain variable region, partial [Canis lupus familiaris]0.0790.905
IGL1644305162immunoglobulin lambda light chain variable region, partial [Canis lupus familiaris]0.0790.905
ADIPOQ14834528882TPA: adiponectin C [Canis lupus familiaris]0.0630.905
VDB141832865726vitamin D-binding protein [Canis lupus dingo]0.0120.952
SERPINC135932001023antithrombin-III [Canis lupus familiaris]0.0441.000
APOA4141824189125apolipoprotein A-IV [Canis lupus dingo]−0.0571.000
APOA434579990525apolipoprotein A-IV [Canis lupus familiaris]−0.0571.000
CP458264575ceruloplasmin, partial [Canis lupus familiaris]−0.0421.000
F13A14182051612coagulation factor XIII A chain [Canis lupus dingo]0.0631.000
C4A123992857060complement C4-A [Canis lupus familiaris]0.0531.000
C4A141829045662complement C4-A-like [Canis lupus dingo]0.0361.000
C8B739563943complement component C8 beta chain [Canis lupus familiaris]0.0031.000
HP2584984haptoglobin light chain, HpL chain [dogs, Peptide, 83 aa]0.1271.000
HGFAC14183332382hepatocyte growth factor activator [Canis lupus dingo]0.0261.000
HGFAC12398939612hepatocyte growth factor activator isoform X1 [Canis lupus familiaris]0.0261.000
HGFAC735327602hepatocyte growth factor activator precursor [Canis lupus familiaris]0.0261.000
IGH-CH31243900112immunoglobulin heavy chain constant region CH3, partial [Canis lupus familiaris]−0.0771.000
IGL1644304802immunoglobulin lambda light chain variable region, partial [Canis lupus familiaris]0.0191.000
IGM1467432493immunoglobulin mu heavy chain variable region, partial [Canis lupus familiaris]−0.2191.000
LUM14183362032lumican [Canis lupus dingo]−0.1441.000
MFAP414183120412microfibril-associated glycoprotein 4 [Canis lupus dingo]−0.0571.000
APOA470400037221Apolipoprotein A-IV−0.0541.000
PLG13031416Plasminogen0.0131.000
PON17397579713serum paraoxonase/arylesterase 1 [Canis lupus familiaris]−0.0731.000
SHBG14183127505sex hormone-binding globulin isoform X1 [Canis lupus dingo]−0.1051.000
SHBG12399018365sex hormone-binding globulin isoform X2 [Canis lupus familiaris]−0.1051.000
TTR14183142445transthyretin [Canis lupus dingo]−0.0621.000
PROC141819997416vitamin K-dependent protein S [Canis lupus dingo]0.0241.000
PROC123997641116vitamin K-dependent protein S [Canis lupus familiaris]0.0241.000
VTN624213762vitronectin, partial [Canis mesomelas]−0.0131.000
AZGP15608794298zinc-alpha-2-glycoprotein precursor [Canis lupus familiaris]0.1581.000
Table A2. Salivary proteins identified in dogs with canine mammary tumors (CMT) and healthy controls (HC).
Table A2. Salivary proteins identified in dogs with canine mammary tumors (CMT) and healthy controls (HC).
Gene NameAccession NumberNo. Unique PeptidesProtein DescriptionFold Change (log2)p-Value
LYPD314183047864ly6/PLAUR domain-containing protein 3 [Canis lupus dingo]0.5940.008
LYPD3739482474ly6/PLAUR domain-containing protein 3 [Canis lupus familiaris]0.5940.008
MDH214183071454malate dehydrogenase, mitochondrial [Canis lupus dingo]0.9810.008
MDH212399552633malate dehydrogenase, mitochondrial-like [Canis lupus familiaris]1.0370.008
MDH2895741353mitochondrial malate dehydrogenase 2, NAD, partial [Canis lupus familiaris]0.8310.008
NME25455101963nucleoside diphosphate kinase B isoform X1 [Canis lupus familiaris]0.7220.008
PRDX114182949434peroxiredoxin-1 [Canis lupus dingo]0.8340.008
S100A612399123303protein S100-A6 [Canis lupus familiaris]1.2360.008
TPI17636353012Triosephosphate isomerase0.5970.008
CAP114182938788adenylyl cyclase-associated protein 1 isoform X1 [Canis lupus dingo]0.7950.016
CAP114182938848adenylyl cyclase-associated protein 1 isoform X2 [Canis lupus dingo]0.7950.016
ANXA15586953949annexin A1 [Canis lupus familiaris]0.7540.016
CALM314183043952calmodulin-3 isoform X2 [Canis lupus dingo]0.5310.016
CORO1A14182135402cornifin-A [Canis lupus dingo]0.8900.016
EZR14183002737ezrin isoform X2 [Canis lupus dingo]0.4370.016
KLK114183035223kallikrein-1-like isoform X1 [Canis lupus dingo]−0.8460.016
KLK114183035243kallikrein-1-like isoform X2 [Canis lupus dingo]−0.8460.016
CANF1141826429913major allergen Can f 1 [Canis lupus dingo]1.2110.016
MDH1570929713malate dehydrogenase, cytoplasmic [Canis lupus familiaris]0.6550.016
MDH214183356892malate dehydrogenase, mitochondrial-like [Canis lupus dingo]0.9430.016
CANF1312174513Major allergen Can f 11.2110.016
XDH14182120807xanthine dehydrogenase/oxidase isoform X1 [Canis lupus dingo]0.6100.016
XDH739800767xanthine dehydrogenase/oxidase isoform X1 [Canis lupus familiaris]0.6100.016
XDH14182120827xanthine dehydrogenase/oxidase isoform X2 [Canis lupus dingo]0.6100.016
XDH5455275027xanthine dehydrogenase/oxidase isoform X2 [Canis lupus familiaris]0.6100.016
ACTN4141830540713alpha-actinin-4 isoform X1 [Canis lupus dingo]0.6190.032
ACTN4141830540912alpha-actinin-4 isoform X2 [Canis lupus dingo]0.6190.032
ACTN4141830541113alpha-actinin-4 isoform X3 [Canis lupus dingo]0.6190.032
ACTN47394773612alpha-actinin-4 isoform X4 [Canis lupus familiaris]0.6050.032
ACTN4141830541511alpha-actinin-4 isoform X5 [Canis lupus dingo]0.6030.032
CALM214181970132calmodulin-2 [Canis lupus dingo]0.5660.032
NPC29451793CE1 [Canis lupus familiaris]0.3580.032
EZR5587573599ezrin [Canis lupus familiaris]0.4130.032
NPC23565822473NPC intracellular cholesterol transporter 2 precursor [Canis lupus familiaris]0.3580.032
PPIA14182027862peptidyl-prolyl cis-trans isomerase A isoform X2 [Canis lupus dingo]0.6080.032
UBB14183121673polyubiquitin-B [Canis lupus dingo]0.7350.032
UBB12399022293polyubiquitin-B [Canis lupus familiaris]0.7350.032
UBC14182608463polyubiquitin-C [Canis lupus dingo]0.7350.032
UBC739951303polyubiquitin-C [Canis lupus familiaris]0.7350.032
PDIA314182591054protein disulfide-isomerase A3 [Canis lupus dingo]0.4050.032
S100A214183135845protein S100-A2 [Canis lupus dingo]1.0060.032
S100A413917237263protein S100-A4 isoform 1 [Canis lupus familiaris]1.1230.032
S100A414732225923protein S100-A4 isoform 2 [Canis lupus familiaris]1.1230.032
UBA5214183113283ubiquitin [Canis lupus dingo]0.7350.032
UBA5258228523ubiquitin, partial [Canis lupus familiaris]0.7350.032
UBA523565823403ubiquitin-40S ribosomal protein S27a [Canis lupus familiaris]0.7350.032
UBB12398899212ubiquitin-like [Canis lupus familiaris]0.7690.032
UBA5254415193ubiquitin-ribosomal protein L40 fusion protein [Canis lupus familiaris]0.7350.032
MUC5B14182067822LOW QUALITY PROTEIN: mucin-5B [Canis lupus dingo]0.5830.040
YWHAE73967156514-3-3 protein epsilon isoform X2 [Canis lupus familiaris]0.6840.056
ARPC214183417835actin-related protein 2/3 complex subunit 2 [Canis lupus dingo]0.7630.056
ARPC49281622684actin-related protein 2/3 complex subunit 4 [Canis lupus familiaris]1.0280.056
ENO1141831005415alpha-enolase isoform X2 [Canis lupus dingo]0.7110.056
GLUL1584308512chain A, glutamine synthetase0.8390.056
14185031282elongation factor 1-gamma [Canis lupus dingo]0.3990.056
14183147962elongation factor 1-gamma-like [Canis lupus dingo]0.3990.056
FLNA740088096filamin-A [Canis lupus familiaris]0.8500.056
FLNA14182251356filamin-A isoform X1 [Canis lupus dingo]0.8500.056
FLNA14182251376filamin-A isoform X2 [Canis lupus dingo]0.8500.056
ALDOA14182806898fructose-bisphosphate aldolase A [Canis lupus dingo]0.6720.056
GLUL6482161992glutamine synthetase isoform 1 [Canis lupus familiaris]0.8390.056
GLUL6482160062glutamine synthetase isoform 2 [Canis lupus familiaris]0.8390.056
HSP90AA1141834478410heat shock protein HSP 90-alpha [Canis lupus dingo]0.6250.056
HSP90AA19281429698heat shock protein HSP 90-alpha [Canis lupus familiaris]0.6250.056
PPIA12398830193peptidyl-prolyl cis-trans isomerase A [Canis lupus familiaris]0.4470.056
S100A119281587502protein S100-A11 [Canis lupus familiaris]0.9940.056
S100A1114182134782protein S100-A11, partial [Canis lupus dingo]0.9940.056
S100A1214183136148protein S100-A12-like [Canis lupus dingo]1.0440.056
S100A99281406059protein S100-A9 [Canis lupus familiaris]1.3220.056
S100A82249693907S100 calcium-binding protein A8 [Canis lupus familiaris]1.2150.056
SPINK514185075264serine protease inhibitor Kazal-type 5 [Canis lupus dingo]0.4390.056
SPINK5707947444serine protease inhibitor Kazal-type 5 precursor [Canis lupus familiaris]0.4390.056
TKT54553339325transketolase [Canis lupus familiaris]0.6080.056
TKT141821628625transketolase isoform X1 [Canis lupus dingo]0.6080.056
TKT141821628825transketolase isoform X2 [Canis lupus dingo]0.6080.056
CDH114183087183cadherin-1 [Canis lupus dingo]0.7670.057
DPYD14182888002dihydropyrimidine dehydrogenase [NADP(+)] isoform X1 [Canis lupus dingo]0.8070.057
DPYD14182888022dihydropyrimidine dehydrogenase [NADP(+)] isoform X2 [Canis lupus dingo]0.8070.057
DPYD12399087222dihydropyrimidine dehydrogenase [NADP(+)] isoform X2 [Canis lupus familiaris]0.8070.057
N/A12398915634double-headed protease inhibitor, submandibular gland [Canis lupus familiaris]0.2360.057
VCL3056578313metavinculin variant, partial [Canis lupus familiaris]1.3400.057
PNP14183359363purine nucleoside phosphorylase [Canis lupus dingo]0.4880.057
NPEPPS14183376493puromycin-sensitive aminopeptidase isoform X1 [Canis lupus dingo]0.8270.057
NPEPPS5455110223puromycin-sensitive aminopeptidase isoform X1 [Canis lupus familiaris]0.8270.057
NPEPPS14183376513puromycin-sensitive aminopeptidase isoform X2 [Canis lupus dingo]0.8270.057
NPEPPS14183376553puromycin-sensitive aminopeptidase isoform X4 [Canis lupus dingo]0.8270.057
CDH15506002003Cadherin-1E-Cad/CTF1; 0.7670.057
VCL3457989885vinculin [Canis lupus familiaris]1.2800.057
VCL14183266355vinculin isoform X1 [Canis lupus dingo]1.2800.057
VCL14183266375vinculin isoform X2 [Canis lupus dingo]1.2800.057
CORO1A3458019395coronin-1A [Canis lupus familiaris]0.6930.063
ARHGDIB571069597rho GDP-dissociation inhibitor 2 [Canis lupus familiaris]0.5110.063
VCP14183203632transitional endoplasmic reticulum ATPase [Canis lupus dingo]0.4500.063
VCP12399276702transitional endoplasmic reticulum ATPase isoform X2 [Canis lupus familiaris]0.4500.063
ACSS114182270682acetyl-coenzyme A synthetase 2-like, mitochondrial [Canis lupus dingo]0.7740.086
ACSS13593225792acetyl-coenzyme A synthetase 2-like, mitochondrial [Canis lupus familiaris]0.7740.086
ACTR314182021104actin-related protein 3 [Canis lupus dingo]0.8160.095
ACTR33457841504actin-related protein 3 [Canis lupus familiaris]0.8160.095
ENO1141831005217alpha-enolase isoform X1 [Canis lupus dingo]0.6260.095
ENO39281340454beta-enolase isoform X1 [Canis lupus familiaris]0.8450.095
ENO314183131594beta-enolase isoform X2 [Canis lupus dingo]0.8450.095
CD17714183047843CD177 antigen [Canis lupus dingo]0.7320.095
GSTA414182921513glutathione S-transferase A4-like [Canis lupus dingo]0.7500.095
GSTA412399299743glutathione S-transferase A4-like [Canis lupus familiaris]0.7500.095
GSTM1141828834911glutathione S-transferase Mu 1 isoform X1 [Canis lupus dingo]0.3210.095
HSPA412399253505heat shock 70 kDa protein 4 isoform X1 [Canis lupus familiaris]0.5380.095
HSPA45455164315heat shock 70 kDa protein 4 isoform X2 [Canis lupus familiaris]0.5380.095
HSPA414183227575heat shock 70 kDa protein 4 isoform X3 [Canis lupus dingo]0.5380.095
HSPA85454970498heat shock cognate 71 kDa protein [Canis lupus familiaris]0.6290.095
HSPA4626318675heat shock protein Apg-2 [Canis lupus familiaris]0.5380.095
HISTH414182535293histone H4-like [Canis lupus dingo]0.8570.095
LDHA141822322410L-lactate dehydrogenase A chain isoform X1 [Canis lupus dingo]0.6010.095
LDHA54553699410L-lactate dehydrogenase A chain isoform X2 [Canis lupus familiaris]0.6010.095
ENO134580067714LOW QUALITY PROTEIN: alpha-enolase [Canis lupus familiaris]0.6760.095
ENO192812511113LOW QUALITY PROTEIN: alpha-enolase-like [Canis lupus familiaris]0.6270.095
CD17712398881163LOW QUALITY PROTEIN: CD177 antigen [Canis lupus familiaris]0.7320.095
LOC10655826212399795033LOW QUALITY PROTEIN: uncharacterized protein LOC106558262 [Canis lupus familiaris]0.8570.095
LOC11267442014182535193LOW QUALITY PROTEIN: uncharacterized protein LOC112674420 [Canis lupus dingo]0.8570.095
LOC4883069281809583LOW QUALITY PROTEIN: uncharacterized protein LOC488306 [Canis lupus familiaris]0.8570.095
LCP1123995597017plastin-2 isoform X1 [Canis lupus familiaris]0.5730.095
LCP154553742117plastin-2 isoform X2 [Canis lupus familiaris]0.5730.095
PLS3123998360412plastin-3 [Canis lupus familiaris]0.3900.095
PLS3141831892812plastin-3 isoform X1 [Canis lupus dingo]0.3900.095
TF9281676322serotransferrin [Canis lupus familiaris]0.4800.095
KLK12645972tissue kallikrein A beta-chain, CPK-A beta-chain {N-terminal} {EC 3.4.21.35} [dogs, pancreas, peptide partial, 38 aa]−0.8300.095
KLK12645992tissue kallikrein B beta-chain, CPK-B beta-chain {N-terminal} {EC 3.4.21.35} [dogs, pancreas, peptide partial, 39 aa]−0.8300.095
LOC1008561609281810683uncharacterized protein LOC100856160 [Canis lupus familiaris]0.8570.095
LOC11267439714182534873uncharacterized protein LOC112674397 isoform X2 [Canis lupus dingo]0.8570.095
LOC11267446314182535693uncharacterized protein LOC112674463 [Canis lupus dingo]0.8570.095
AHCY739916353adenosylhomocysteinase [Canis lupus familiaris]0.6530.100
CALM112398936252calmodulin, partial [Canis lupus familiaris]0.7180.100
APOA1141824188915apolipoprotein A-I [Canis lupus dingo]0.8130.111
PTMA14182082782prothymosin alpha [Canis lupus dingo]1.1380.111
PTMA14182311662prothymosin alpha [Canis lupus dingo]1.1380.111
PTMA3565822592prothymosin alpha [Canis lupus familiaris]1.1380.111
ARPC212399818194actin-related protein 2/3 complex subunit 2 [Canis lupus familiaris]1.1470.114
EEF214182403376elongation factor 2 [Canis lupus dingo]0.7570.114
PSAP5454951768prosaposin isoform X1 [Canis lupus familiaris]0.1880.143
PSAP5454951788prosaposin isoform X2 [Canis lupus familiaris]0.1880.143
PSAP739528528prosaposin isoform X3 [Canis lupus familiaris]0.1880.143
PSAP5454951818prosaposin isoform X4 [Canis lupus familiaris]0.1880.143
PSAP5454951838prosaposin isoform X5 [Canis lupus familiaris]0.1880.143
PSAP14183250658prosaposin isoform X6 [Canis lupus dingo]0.1880.143
YWHAE1418267412414-3-3 protein epsilon isoform X1 [Canis lupus dingo]0.7410.151
YWHAE1418267416314-3-3 protein epsilon isoform X3 [Canis lupus dingo]0.7360.151
YWHAE1418267418314-3-3 protein epsilon isoform X4 [Canis lupus dingo]0.7360.151
YWHAQ1418213116314-3-3 protein theta [Canis lupus dingo]0.5310.151
ARPC312399643052actin-related protein 2/3 complex subunit 3 isoform X1 [Canis lupus familiaris]0.8110.151
ARPC314182615482actin-related protein 2/3 complex subunit 3 isoform X2 [Canis lupus dingo]0.8110.151
ARPC314182615502actin-related protein 2/3 complex subunit 3 isoform X3 [Canis lupus dingo]0.8110.151
ANGPTL55455143515angiopoietin-related protein 5-like [Canis lupus familiaris]−0.7440.151
CSTM14185034433cystatin-M [Canis lupus dingo]−0.7570.151
DMBT19281865473deleted in malignant brain tumors 1 protein-like, partial [Canis lupus familiaris]−0.4790.151
FGG5455248976fibrinogen gamma chain isoform X1 [Canis lupus familiaris]0.6130.151
FGG739779926fibrinogen gamma chain isoform X2 [Canis lupus familiaris]0.6130.151
HPX739887257hemopexin [Canis lupus familiaris]0.6120.151
HISTH4505422052histone H4, partial [Canis lupus familiaris]0.7940.151
CAPG14182110406macrophage-capping protein isoform X1 [Canis lupus dingo]0.5020.151
CAPG5455280006macrophage-capping protein isoform X1 [Canis lupus familiaris]0.5020.151
MYH9141819583621myosin-9 [Canis lupus dingo]0.5660.151
MMP83457997834neutrophil collagenase [Canis lupus familiaris]0.3490.151
ELANE14182206394neutrophil elastase [Canis lupus dingo]0.6520.151
ELANE509792464neutrophil elastase precursor [Canis lupus familiaris]0.6520.151
PTGR114183213296prostaglandin reductase 1 [Canis lupus dingo]0.6440.151
PTGR15455179126prostaglandin reductase 1 [Canis lupus familiaris]0.6440.151
MYH912213514521Myosin-90.5660.151
ARHGDIA739647473rho GDP-dissociation inhibitor 1 [Canis lupus familiaris]0.4860.151
SERPINC13593200102antithrombin-III [Canis lupus familiaris]0.8000.190
GSTM1123990841610glutathione S-transferase Mu 1 isoform X2 [Canis lupus familiaris]0.2440.190
HP25849914haptoglobin heavy chain, HpH chain [dogs, Peptide, 245 aa]0.4450.190
HP7395709516haptoglobin-like [Canis lupus familiaris]0.4790.190
LEG114183010387protein LEG1 homolog [Canis lupus dingo]0.4140.190
LEG112398858847protein LEG1 homolog [Canis lupus familiaris]0.4140.190
APOA1391560713Apolipoprotein A-I0.8080.190
HP12351116Haptoglobin0.4790.190
S100P3457983532protein S100-P [Canis lupus familiaris]0.5980.198
KRT1514183385504keratin, type I cytoskeletal 15 [Canis lupus dingo]0.4300.200
SERPINB1014182989252serpin B10 [Canis lupus dingo]0.0350.200
SERPINB10739458392serpin B10 [Canis lupus familiaris]0.0350.200
YWHAZ928151832814-3-3 protein zeta/delta [Canis lupus familiaris]0.4450.222
YWHAZ1418511015714-3-3 protein zeta/delta-like [Canis lupus dingo]0.4940.222
ACTB9241835134actin, cytoplasmic 1 [Canis lupus familiaris]−0.2830.222
ACTB5455007824actin, cytoplasmic 1 isoform X1 [Canis lupus familiaris]−0.2830.222
ACTB14182481184actin, cytoplasmic 2 [Canis lupus dingo]−0.2830.222
ACTG19244428474actin, cytoplasmic 2 [Canis lupus familiaris]−0.2830.222
N/A141832065710allergen Fel d 4-like [Canis lupus dingo]0.4920.222
ACTN114183476125alpha-actinin-1 isoform X1 [Canis lupus dingo]0.4110.222
ACTN112399152085alpha-actinin-1 isoform X2 [Canis lupus familiaris]0.4110.222
ACTN114183476165alpha-actinin-1 isoform X3 [Canis lupus dingo]0.4110.222
ACTN1739633395alpha-actinin-1 isoform X4 [Canis lupus familiaris]0.4110.222
ACTN1739633575alpha-actinin-1 isoform X5 [Canis lupus familiaris]0.4110.222
CP14185102224ceruloplasmin isoform X1 [Canis lupus dingo]0.7180.222
CP9281675273ceruloplasmin isoform X1 [Canis lupus familiaris]0.7260.222
CP14185102264ceruloplasmin isoform X2 [Canis lupus dingo]0.7180.222
CP12399578363ceruloplasmin isoform X2 [Canis lupus familiaris]0.7260.222
CP14185102284ceruloplasmin isoform X3 [Canis lupus dingo]0.7180.222
CP739903673ceruloplasmin isoform X3 [Canis lupus familiaris]0.7260.222
CP14185102304ceruloplasmin isoform X4 [Canis lupus dingo]0.7180.222
CP12399578393ceruloplasmin isoform X4 [Canis lupus familiaris]0.7260.222
CANF22968635427chain A, crystal structure of dog lipocalin allergen Can f 2 and implications for cross-reactivity to the cat allergen Fel d 40.5380.222
N/A137450292310chain D, lipocalin Can f 6 allergen0.4920.222
C3141821843030complement C3 [Canis lupus dingo]0.5610.222
C3123995170428complement C3 [Canis lupus familiaris]0.5470.222
FGA13040472fibrinogen A-alpha chain, partial [Canis lupus familiaris]0.6730.222
G6PD14182250817glucose-6-phosphate 1-dehydrogenase isoform X1 [Canis lupus dingo]0.3910.222
G6PD14182250837glucose-6-phosphate 1-dehydrogenase isoform X2 [Canis lupus dingo]0.3910.222
HSP90AB19220591023heat shock protein 90 kDa alpha class B member 1, partial [Canis lupus familiaris]0.4170.222
IGH-1014942452275immunoglobulin heavy chain IGH-10 [Canis lupus familiaris]0.5020.222
IGH-1214942452315immunoglobulin heavy chain IGH-12 [Canis lupus familiaris]0.5020.222
IGH-1414942452355immunoglobulin heavy chain IGH-14 [Canis lupus familiaris]0.5020.222
IGH-1514942452375immunoglobulin heavy chain IGH-15 [Canis lupus familiaris]0.5020.222
IGH-1614942452395immunoglobulin heavy chain IGH-16 [Canis lupus familiaris]0.5020.222
IGH-1714942452415immunoglobulin heavy chain IGH-17 [Canis lupus familiaris]0.5020.222
IGH-314942452135immunoglobulin heavy chain IGH-3 [Canis lupus familiaris]0.5020.222
IGH-714942452215immunoglobulin heavy chain IGH-7 [Canis lupus familiaris]0.5020.222
IGH-914942452255immunoglobulin heavy chain IGH-9 [Canis lupus familiaris]0.5020.222
KLK114183034949kallikrein-1 isoform X1 [Canis lupus dingo]−0.6330.222
KLK114183034969kallikrein-1 isoform X2 [Canis lupus dingo]−0.6330.222
KLK1557416398kallikrein-1 precursor [Canis lupus familiaris]−0.6370.222
KRT1310771679336keratin, type I cytoskeletal 13 [Canis lupus familiaris]0.7580.222
SERPINB1141820537611leukocyte elastase inhibitor [Canis lupus dingo]0.4610.222
LDHA14183452456L-lactate dehydrogenase A chain-like [Canis lupus dingo]0.4290.222
LDHA5455073516L-lactate dehydrogenase A chain-like [Canis lupus familiaris]0.4290.222
DMBT1141824687811LOW QUALITY PROTEIN: deleted in malignant brain tumors 1 protein [Canis lupus dingo]−0.4190.222
LDHA12399589865LOW QUALITY PROTEIN: L-lactate dehydrogenase A chain-like [Canis lupus familiaris]0.6470.222
CAPG14182110464macrophage-capping protein isoform X2 [Canis lupus dingo]0.4530.222
CAPG9281581124macrophage-capping protein isoform X2 [Canis lupus familiaris]0.4530.222
CANF214182663077minor allergen Can f 2 [Canis lupus dingo]0.5380.222
MPO54551144710myeloperoxidase [Canis lupus familiaris]0.5460.222
MYH1114182865505myosin-11 isoform X1 [Canis lupus dingo]0.4700.222
MYH115455021075myosin-11 isoform X2 [Canis lupus familiaris]0.4700.222
MYH1114182865545myosin-11 isoform X3 [Canis lupus dingo]0.4700.222
MYH1414182865565myosin-11 isoform X4 [Canis lupus dingo]0.4700.222
OLFM412399562512olfactomedin-4 [Canis lupus familiaris]−0.5290.222
CANF2292922727precursor Can f 2, partial [Canis lupus familiaris]0.5380.222
GDI214185018204rab GDP dissociation inhibitor beta isoform X1 [Canis lupus dingo]0.2750.222
GDI214185018224rab GDP dissociation inhibitor beta isoform X2 [Canis lupus dingo]0.2750.222
GDI214185018244rab GDP dissociation inhibitor beta isoform X3 [Canis lupus dingo]0.2750.222
CANF231217467Minor allergen Can f 20.5380.222
SOD114185118176superoxide dismutase [Cu-Zn] [Canis lupus dingo]0.3440.222
TXN14183215664thioredoxin [Canis lupus dingo]0.3460.222
TXN12399282714thioredoxin-like isoform X1 [Canis lupus familiaris]0.3460.222
TXN12399282734thioredoxin-like isoform X2 [Canis lupus familiaris]0.3460.222
N/A166076635unnamed protein product [Canis lupus familiaris]0.5020.222
N/A166076754unnamed protein product [Canis lupus familiaris]0.5020.222
N/A166077185unnamed protein product [Canis lupus familiaris]0.5020.222
ANXA214182581103annexin A2 [Canis lupus dingo]0.8460.229
HSPA2570902173heat shock-related 70 kDa protein 2 [Canis lupus familiaris]0.4830.229
KRT210683880583keratin, type II cytoskeletal 2 oral [Canis lupus familiaris]0.8410.229
KRT212399657603keratin, type II cytoskeletal 2 oral isoform X1 [Canis lupus familiaris]0.8410.229
KRT214182216683keratin, type II cytoskeletal 2 oral-like [Canis lupus dingo]0.8410.229
KRT76154196053masticatory epithelia keratin 2p [Canis lupus familiaris]0.8410.229
NQO214182053543ribosyldihydronicotinamide dehydrogenase [quinone] [Canis lupus dingo]0.5020.229
NQO2740038083ribosyldihydronicotinamide dehydrogenase [quinone] [Canis lupus familiaris]0.5020.229
NQO114183087839NAD(P)H dehydrogenase [quinone] 1 [Canis lupus dingo]0.3620.254
NQO154550008410NAD(P)H dehydrogenase [quinone] 1 [Canis lupus familiaris]0.3620.254
LYZ92571492chain A, X-ray crystal structure analysis of canine milk lysozyme (Apo-type)−0.6120.286
LYZ137871352chain B, lysozyme C−0.6120.286
LTF848727128lactoferrin, partial [Canis lupus familiaris]−0.2390.286
CES114185070477liver carboxylesterase 1 [Canis lupus dingo]0.1830.286
LDHB3564610404L-lactate dehydrogenase B chain [Canis lupus familiaris]0.3380.286
LDHB14182995814L-lactate dehydrogenase B chain-like [Canis lupus dingo]0.3380.286
LDHB14183270823L-lactate dehydrogenase B chain-like [Canis lupus dingo]0.3380.286
LDHB14185145573L-lactate dehydrogenase B chain-like [Canis lupus dingo]0.3380.286
LYZ9251144542lysozyme C, milk isozyme-like precursor [Canis lupus familiaris]−0.6120.286
NME15455101942nucleoside diphosphate kinase A isoform X1 [Canis lupus familiaris]0.5600.286
N/A1248474Double-headed protease inhibitor, submandibular gland0.5960.286
LYZ89281882Lysozyme C, milk isozyme; −0.6120.286
YWHAG1418307161414-3-3 protein gamma [Canis lupus dingo]0.2430.310
YWHAG1239905645414-3-3 protein gamma [Canis lupus familiaris]0.2430.310
HSPA5345806081578 kDa glucose-regulated protein [Canis lupus familiaris]0.3720.310
HSPA514182647605endoplasmic reticulum chaperone BiP [Canis lupus dingo]0.3720.310
NCCRP1739483723F-box only protein 50 [Canis lupus familiaris]0.3420.310
FGA14183363465fibrinogen-alpha chain [Canis lupus dingo]0.4590.310
FGA739783295fibrinogen-alpha chain [Canis lupus familiaris]0.4590.310
H2AFZ5597671982H2A histone family, member Z [Canis lupus familiaris]0.4170.310
HSP70172981863heat shock protein 70 [Canis lupus familiaris]0.4510.310
HIST1H2A12399797712histone H2A type 1 [Canis lupus familiaris]0.4170.310
HIST1H2AA571103932histone H2A type 1-A [Canis lupus familiaris]0.4170.310
HIST1H2AB14182534462histone H2A type 1-B/E [Canis lupus dingo]0.4170.310
HIST1H2AC5455545722histone H2A type 1-C [Canis lupus familiaris]0.4170.310
HIST1H2AE14182044562histone H2A type 1-E [Canis lupus dingo]0.4170.310
HIST1H2AE12399797412histone H2A type 1-E [Canis lupus familiaris]0.4170.310
HIST1H2AE14182534482histone H2A type 1-E-like [Canis lupus dingo]0.4170.310
HIST1H2AE14182534832histone H2A type 1-E-like [Canis lupus dingo]0.4170.310
HIST1H2AE740041702histone H2A type 1-E-like [Canis lupus familiaris]0.4170.310
HIST1H2AH9281809382histone H2A type 1-H [Canis lupus familiaris]0.4170.310
HIST1H2AH12399797742histone H2A type 1-H [Canis lupus familiaris]0.4170.310
HIST1H2AH14182045402histone H2A type 1-H-like [Canis lupus dingo]0.4170.310
HIST2H2AA739815162histone H2A type 2-A [Canis lupus familiaris]0.4170.310
HIST2H2AC3593216872histone H2A type 2-C [Canis lupus familiaris]0.4170.310
HIST3H2A5455219322histone H2A type 3 [Canis lupus familiaris]0.4170.310
HISTH2AJ571069652histone H2A.J [Canis lupus familiaris]0.4170.310
HISTH2AV9281861822histone H2A.V isoform X1 [Canis lupus familiaris]0.4170.310
HISTH2AV9281861862histone H2A.V isoform X3 [Canis lupus familiaris]0.4170.310
HISTH2AB9281808892histone H2A-beta, sperm-like [Canis lupus familiaris]0.4170.310
HISTH2AX5454971522histone H2AX [Canis lupus familiaris]0.4170.310
IGJ; JCHAIN3457796666immunoglobulin J chain [Canis lupus familiaris]−0.2780.310
KRT414182214579keratin, type II cytoskeletal 4 [Canis lupus dingo]0.8190.310
LPO141833851222lactoperoxidase [Canis lupus dingo]−0.8400.310
LPO123991918620lactoperoxidase [Canis lupus familiaris]−0.8100.310
ALB14183285472LOW QUALITY PROTEIN: serum albumin-like [Canis lupus dingo]0.3020.310
MYL12B570897732myosin regulatory light chain 12B [Canis lupus familiaris]0.3780.310
MYL914183146032myosin regulatory light polypeptide 9 isoform X1 [Canis lupus dingo]0.3780.310
MYL93458033462myosin regulatory light polypeptide 9 isoform X2 [Canis lupus familiaris]0.3780.310
PGK1740078074phosphoglycerate kinase 1 [Canis lupus familiaris]0.2320.310
PIP739787629prolactin-inducible protein [Canis lupus familiaris]−0.4270.310
HSP70567490853Heat shock 70 kDa protein 10.4510.310
SLPI1644993593secretory leukocyte peptidase inhibitor, partial [Canis lupus familiaris]−0.3910.310
TALDO13593219447transaldolase [Canis lupus familiaris]0.2870.310
ZG16B739594514zymogen granule protein 16 homolog B [Canis lupus familiaris]-1.8860.310
ACTN214185091282alpha-actinin-2 isoform X1 [Canis lupus dingo]0.2500.333
ACTN214185091302alpha-actinin-2 isoform X2 [Canis lupus dingo]0.2500.333
ACTN314185031512alpha-actinin-3 isoform X1 [Canis lupus dingo]0.2500.333
ACTN314185031532alpha-actinin-3 isoform X2 [Canis lupus dingo]0.2500.333
ACTN314185031552alpha-actinin-3 isoform X3 [Canis lupus dingo]0.2500.333
GSTO114182455603glutathione S-transferase omega-1 [Canis lupus dingo]0.4170.333
UBA19281838282LOW QUALITY PROTEIN: ubiquitin-like modifier-activating enzyme 1 [Canis lupus familiaris]0.5210.333
ME15455197732NADP-dependent malic enzyme [Canis lupus familiaris]0.8020.333
ME114183487462NADP-dependent malic enzyme isoform X1 [Canis lupus dingo]0.8020.333
ME114183487502NADP-dependent malic enzyme isoform X3 [Canis lupus dingo]0.8020.333
UBA114182492272ubiquitin-like modifier-activating enzyme 1 [Canis lupus dingo]0.5210.333
ARPC514183162002actin-related protein 2/3 complex subunit 5 [Canis lupus dingo]0.6870.400
ADIRF12398982182adipogenesis regulatory factor [Canis lupus familiaris]−0.1280.400
CASP1412399510472LOW QUALITY PROTEIN: caspase-14 [Canis lupus familiaris]0.5580.400
MUC5B12399458612mucin-5B isoform X1 [Canis lupus familiaris]0.5000.400
UPP114185110263uridine phosphorylase 1 [Canis lupus dingo]0.8510.400
UPP112398832283uridine phosphorylase 1-like [Canis lupus familiaris]0.8510.400
PPIA14182145372ovostatin homolog 2-like [Canis lupus dingo]0.0350.413
YWHAS14185058241114-3-3 protein sigma [Canis lupus dingo]0.3110.421
ACT14183330422actin, clone 302-like [Canis lupus dingo]−0.2980.421
CA22235560192carbonic anhydrase 2 [Canis lupus familiaris]0.0960.421
CAMP14182154046cathelicidin antimicrobial peptide [Canis lupus dingo]0.2900.421
CAMP509792146cathelicidin antimicrobial peptide precursor [Canis lupus familiaris]0.2900.421
CRISP25455194286cysteine-rich secretory protein 2 isoform X1 [Canis lupus familiaris]−0.3570.421
CRISP212399299026cysteine-rich secretory protein 2 isoform X2 [Canis lupus familiaris]−0.3570.421
FGB14183364654fibrinogen beta chain [Canis lupus dingo]0.4730.421
MMP925641017gelatinase B [Canis lupus familiaris]0.3510.421
GDA14183018144guanine deaminase [Canis lupus dingo]0.4740.421
FCGBP14183052572IgGFc-binding protein isoform X1 [Canis lupus dingo]−1.0450.421
FCGBP14183052592IgGFc-binding protein isoform X2 [Canis lupus dingo]−1.0040.421
IGH-CH41243900132immunoglobulin heavy chain constant region CH4, partial [Canis lupus familiaris]−0.2550.421
IGHJ13402393802immunoglobulin heavy chain variable region, partial [Canis lupus familiaris]−0.6920.421
IGM1467432492immunoglobulin mu heavy chain variable region, partial [Canis lupus familiaris]−0.2550.421
KRT114182214634keratin, type II cytoskeletal 1 [Canis lupus dingo]0.5830.421
KRT514182214694keratin, type II cytoskeletal 5 [Canis lupus dingo]0.6930.421
KRT510694153024keratin, type II cytoskeletal 5 [Canis lupus familiaris]0.6930.421
LTF3393053532lactotransferrin, partial [Canis lupus familiaris]−0.4240.421
GLO13457787252lactoylglutathione lyase [Canis lupus familiaris]0.1840.421
GPI141830558015LOW QUALITY PROTEIN: glucose-6-phosphate isomerase [Canis lupus dingo]0.2400.421
MMP914182521897matrix metalloproteinase-9 [Canis lupus dingo]0.3510.421
MMP9110347167matrix metalloproteinase-9 [Canis lupus familiaris]0.3510.421
MMP9509789926matrix metalloproteinase-9 precursor [Canis lupus familiaris]0.3630.421
MYL63457765903myosin light polypeptide 6 isoform X1 [Canis lupus familiaris]0.3820.421
MYL614182696173myosin light polypeptide 6 isoform X2 [Canis lupus dingo]0.3820.421
MYL612399220563myosin light polypeptide 6 isoform X3 [Canis lupus familiaris]0.3820.421
SLPI1589369564protease inhibitor [Canis lupus familiaris]−0.4390.421
KRT1750626934Keratin, type II cytoskeletal 1; 0.5830.421
TPM314183134682tropomyosin alpha-3 chain isoform X7 [Canis lupus dingo]0.6940.421
MUC1912399681647mucin-19 [Canis lupus familiaris]0.0200.486
SERPINA11196377326alpha-1 antitrypsin [Canis lupus familiaris]−0.5470.548
SERPINA112399136236alpha-1-antitrypsin isoform X1 [Canis lupus familiaris]−0.5470.548
SERPINA114183455116alpha-1-antitrypsin-like [Canis lupus dingo]−0.5470.548
A2M14182139743alpha-2-macroglobulin [Canis lupus dingo]0.3890.548
A2M3457924243alpha-2-macroglobulin [Canis lupus familiaris]0.3890.548
ANGPTL514181946926angiopoietin-related protein 5-like [Canis lupus dingo]−0.4650.548
LOC61163214185102958ceruloplasmin-like [Canis lupus dingo]0.6680.548
LOC6116323457889997ceruloplasmin-like [Canis lupus familiaris]0.6680.548
CFL1570996696cofilin-1 [Canis lupus familiaris]0.0000.548
CFL214183153635cofilin-1-like [Canis lupus dingo]−0.0050.548
SOD1181503465Cu/Zn superoxide dismutase [Canis lupus familiaris]0.2140.548
DMBT192817593812deleted in malignant brain tumors 1 protein isoform X1 [Canis lupus familiaris]−0.3640.548
DMBT192817594912deleted in malignant brain tumors 1 protein isoform X2 [Canis lupus familiaris]−0.3640.548
DMBT192817595312deleted in malignant brain tumors 1 protein isoform X3 [Canis lupus familiaris]−0.3640.548
FABP59281747624fatty acid-binding protein, epidermal [Canis lupus familiaris]0.3390.548
FETUB14185155342fetuin-B [Canis lupus dingo]−0.0830.548
FETUB740035563fetuin-B [Canis lupus familiaris]−0.0210.548
PYGL56215534813glycogen phosphorylase, liver form [Canis lupus familiaris]0.2550.548
IGH-414942452156immunoglobulin heavy chain IGH-4 [Canis lupus familiaris]0.3510.548
SERPINB112399792976leukocyte elastase inhibitor [Canis lupus familiaris]0.2340.548
MSN5455583046moesin isoform X1 [Canis lupus familiaris]0.3090.548
MSN14182433646moesin isoform X2 [Canis lupus dingo]0.3090.548
MSN9281850246moesin isoform X3 [Canis lupus familiaris]0.3090.548
OPRPN14183283918opiorphin prepropeptide [Canis lupus dingo]0.0820.548
TGM3141825061311protein-glutamine gamma-glutamyltransferase E [Canis lupus dingo]0.2730.548
PKM12399727687pyruvate kinase PKM isoform X1 [Canis lupus familiaris]−0.1570.548
PKM14182570406pyruvate kinase PKM isoform X2 [Canis lupus dingo]−0.1680.548
PKM14182570427pyruvate kinase PKM isoform X3 [Canis lupus dingo]−0.1570.548
PKM5455503336pyruvate kinase PKM isoform X3 [Canis lupus familiaris]−0.1680.548
PKM14182570446pyruvate kinase PKM isoform X4 [Canis lupus dingo]−0.1300.548
MMP948684513type IV collagenase MMP-9, partial [Canis lupus familiaris]0.3440.548
N/A166077216unnamed protein product [Canis lupus familiaris]0.3510.548
HSP90AA17345480542heat shock protein HSP 90-alpha [Toxocara canis]0.1940.556
HYAL112399501427hyaluronidase-1 isoform X3 [Canis lupus familiaris]0.4040.556
IGH-CH21243900092immunoglobulin heavy chain constant region CH2, partial [Canis lupus familiaris]0.3080.556
SCGB2A29281865282mammaglobin-A-like [Canis lupus familiaris]1.4890.556
PADI414185074052protein-arginine deiminase type-4 [Canis lupus dingo]0.3880.556
N/A15350912942unnamed protein product [Toxocara canis]0.1940.556
MYH1014183125004myosin-10 isoform X2 [Canis lupus dingo]0.4050.571
MYH109281343374myosin-10 isoform X2 [Canis lupus familiaris]0.4050.571
MYH109281343414myosin-10 isoform X4 [Canis lupus familiaris]0.4050.571
MYH1014183125064myosin-10 isoform X5 [Canis lupus dingo]0.4050.571
MYH109281343434myosin-10 isoform X5 [Canis lupus familiaris]0.4050.571
MYH1014183125124myosin-10 isoform X6 [Canis lupus dingo]0.4050.571
C4A12399285706complement C4-A [Canis lupus familiaris]0.2020.629
C4A14182904566complement C4-A-like [Canis lupus dingo]0.2020.629
KNG114185154593kininogen-1 isoform X1 [Canis lupus dingo]0.0700.629
KNG13457964193kininogen-1 isoform X1 [Canis lupus familiaris]0.0700.629
KNG114185154613kininogen-1 isoform X2 [Canis lupus dingo]0.0700.629
KNG1571099383kininogen-1 isoform X2 [Canis lupus familiaris]0.0700.629
LDHA12399556523L-lactate dehydrogenase A chain-like isoform X1 [Canis lupus familiaris]0.4300.629
PGM19281347042phosphoglucomutase-1 isoform X1 [Canis lupus familiaris]0.3300.629
PGM1739561582phosphoglucomutase-1 isoform X2 [Canis lupus familiaris]0.3300.629
LOC61145814182139805pregnancy zone protein-like isoform X3 [Canis lupus dingo]0.1800.629
LOC61145812399672475pregnancy zone protein-like isoform X3 [Canis lupus familiaris]0.1800.629
TUBA1B14183421122tubulin alpha-1B chain isoform X1 [Canis lupus dingo]0.5440.629
TUBA1B14183421142tubulin alpha-1B chain isoform X2 [Canis lupus dingo]0.5440.629
TUBA814183421162tubulin alpha-8 chain isoform X3 [Canis lupus dingo]0.5440.629
LOC11267626514182602272uncharacterized protein LOC112676265 [Canis lupus dingo]−0.7040.629
RPLP21418207290260S acidic ribosomal protein P2 [Canis lupus dingo]0.4450.667
A2ML114182139356alpha-2-macroglobulin-like protein 1 isoform X1 [Canis lupus dingo]0.5610.667
A2ML112399676186alpha-2-macroglobulin-like protein 1 isoform X1 [Canis lupus familiaris]0.5610.667
A2ML114182139396alpha-2-macroglobulin-like protein 1 isoform X2 [Canis lupus dingo]0.5610.667
A2ML112399676226alpha-2-macroglobulin-like protein 1 isoform X2 [Canis lupus familiaris]0.5610.667
BPIFA1739922352BPI fold-containing family A member 1 [Canis lupus familiaris]0.4710.667
CAT41155572catalase [Canis lupus familiaris]−0.0060.667
CAT120820932catalase [Canis lupus familiaris]−0.0060.667
CAPZB9281289852F-actin-capping protein subunit beta isoform X1 [Canis lupus familiaris]1.0880.667
CAPZB9281289873F-actin-capping protein subunit beta isoform X2 [Canis lupus familiaris]1.0880.667
CAPZB14185078242F-actin-capping protein subunit beta isoform X3 [Canis lupus dingo]1.0880.667
CAPZB12398933422F-actin-capping protein subunit beta isoform X3 [Canis lupus familiaris]1.0880.667
CAPZB5454920853F-actin-capping protein subunit beta isoform X4 [Canis lupus familiaris]1.0880.667
CAPZB12398933452F-actin-capping protein subunit beta isoform X5 [Canis lupus familiaris]1.0880.667
CAPZB12398933492F-actin-capping protein subunit beta isoform X7 [Canis lupus familiaris]1.0880.667
FOLR214182221232folate receptor beta isoform X1 [Canis lupus dingo]1.3760.667
FOLR212399536792folate receptor beta isoform X1 [Canis lupus familiaris]1.3760.667
FOLR214182221272folate receptor beta isoform X2 [Canis lupus dingo]1.3760.667
FOLR29281651212folate receptor beta isoform X2 [Canis lupus familiaris]1.3760.667
HBE14182222802hemoglobin subunit epsilon [Canis lupus dingo]−0.8980.667
KRT1414183387163keratin, type I cytoskeletal 14 [Canis lupus dingo]0.8450.667
KRT2414183395723keratin, type I cytoskeletal 24 [Canis lupus dingo]1.4200.667
KRT243458053993keratin, type I cytoskeletal 24 [Canis lupus familiaris]1.4200.667
KRT78739964612keratin, type II cytoskeletal 78 [Canis lupus familiaris]2.2190.667
MGAM14183245082maltase-glucoamylase, intestinal isoform X1 [Canis lupus dingo]0.9230.667
MGAM12399389122maltase-glucoamylase, intestinal isoform X1 [Canis lupus familiaris]0.9230.667
MGAM14183245142maltase-glucoamylase, intestinal isoform X2 [Canis lupus dingo]0.9230.667
MGAM9281565402maltase-glucoamylase, intestinal isoform X2 [Canis lupus familiaris]0.9230.667
MUC414182000863mucin-4 [Canis lupus dingo]0.9940.667
MUC412399768793mucin-4 [Canis lupus familiaris]0.9940.667
PLG5586953882plasminogen precursor [Canis lupus familiaris]0.7260.667
PSMA114182046053proteasome subunit alpha type-1 [Canis lupus dingo]0.7080.667
PSMA114182229653proteasome subunit alpha type-1 [Canis lupus dingo]0.7080.667
PSMA114182581432proteasome subunit alpha type-1-like [Canis lupus dingo]1.0600.667
PSMA314183454613proteasome subunit alpha type-3 [Canis lupus dingo]1.7370.667
PSMA3739630503proteasome subunit alpha type-3 [Canis lupus familiaris]1.7370.667
PSMA414185140652proteasome subunit alpha type-4 [Canis lupus dingo]0.8290.667
OXCT114183298362succinyl-CoA:3-ketoacid coenzyme A transferase 1, mitochondrial [Canis lupus dingo]0.6310.667
OXCT19281314282succinyl-CoA:3-ketoacid coenzyme A transferase 1, mitochondrial [Canis lupus familiaris]0.6310.667
WDR11955469363WD repeat-containing protein 1 [Canis lupus familiaris]0.7120.667
GSN12399257627gelsolin [Canis lupus familiaris]−0.2780.675
GSN14183224117gelsolin isoform X1 [Canis lupus dingo]−0.2780.675
GSN14183224137gelsolin isoform X2 [Canis lupus dingo]−0.2780.675
GSN14183224157gelsolin isoform X3 [Canis lupus dingo]−0.2780.675
YWHAB1418252030314-3-3 protein beta/alpha [Canis lupus dingo]0.2520.690
ACTB55970052beta-actin [Canis lupus familiaris]−0.1750.690
MPO4943953chain C, myeloperoxidase0.3600.690
COTL114183095423coactosin-like protein [Canis lupus dingo]0.3180.690
COTL13593195943coactosin-like protein, partial [Canis lupus familiaris]0.3180.690
FABP514183239523fatty acid-binding protein 5 [Canis lupus dingo]0.2270.690
FABP512399868103fatty acid-binding protein, epidermal [Canis lupus familiaris]0.2270.690
FABP512399712283fatty acid-binding protein, epidermal isoform X1 [Canis lupus familiaris]0.2270.690
FABP512399712303fatty acid-binding protein, epidermal isoform X2 [Canis lupus familiaris]0.2270.690
FABP512399712323fatty acid-binding protein, epidermal isoform X3 [Canis lupus familiaris]0.2270.690
IGH-114942452097immunoglobulin heavy chain IGH-1 [Canis lupus familiaris]0.2850.690
IGH-1114942452297immunoglobulin heavy chain IGH-11 [Canis lupus familiaris]0.3120.690
IGH-1314942452337immunoglobulin heavy chain IGH-13 [Canis lupus familiaris]0.3120.690
SCGB2A23593219303mammaglobin-A isoform X2 [Canis lupus familiaris]0.1430.690
SCGB2A112398833494mammaglobin-B-like isoform X2 [Canis lupus familiaris]0.1430.690
PRDX614183167043peroxiredoxin-6 [Canis lupus dingo]0.2890.690
PRDX612399110653peroxiredoxin-6 [Canis lupus familiaris]0.2890.690
PFN114183131305profilin-1 [Canis lupus dingo]0.0050.690
PFN112399016103profilin-1 [Canis lupus familiaris]0.0610.690
VDB14183286578vitamin D-binding protein [Canis lupus dingo]0.2220.690
ORM114183227882alpha-1-acid glycoprotein 1-like [Canis lupus dingo]0.4610.700
SLPI14182495732antileukoproteinase-like [Canis lupus dingo]−0.0160.700
EFHD214185066942EF-hand domain-containing protein D2 [Canis lupus dingo]0.3550.700
EFHD29281291212EF-hand domain-containing protein D2 [Canis lupus familiaris]0.3550.700
GSTA214182921472glutathione S-transferase A2 [Canis lupus dingo]0.2760.700
GSTA36355454722glutathione S-transferase alpha 3 [Canis lupus familiaris]0.2760.700
GSTA36496560242glutathione s-transferase alpha 3 [Canis lupus familiaris]0.2760.700
IGH2083420382immunoglobulin heavy chain variable region, partial [Canis lupus familiaris]0.0590.700
KRT6A5455453866keratin, type II cytoskeletal 6A isoform X1 [Canis lupus familiaris]0.2640.700
KRT6A3457918396keratin, type II cytoskeletal 6A isoform X2 [Canis lupus familiaris]0.2640.700
KRT6A14182214756keratin, type II cytoskeletal 6A-like [Canis lupus dingo]0.2640.700
PLA2G715856522platelet-activating factor acetylhydrolase−0.3370.700
PLA2G714182919612platelet-activating factor acetylhydrolase isoform X1 [Canis lupus dingo]−0.3370.700
PLA2G75455182072platelet-activating factor acetylhydrolase isoform X1 [Canis lupus familiaris]−0.3370.700
PLA2G75455182092platelet-activating factor acetylhydrolase isoform X2 [Canis lupus familiaris]−0.3370.700
PLA2G714182919732platelet-activating factor acetylhydrolase isoform X3 [Canis lupus dingo]−0.3370.700
AZGP1709099454zinc alpha-2-glycoprotein 1, partial [Canis lupus familiaris]−0.2950.700
AZGP15608794294zinc-alpha-2-glycoprotein precursor [Canis lupus familiaris]−0.2950.700
ACT47345477212actin-4 [Toxocara canis]−0.1010.730
ALB66871882albumin [Canis lupus familiaris]−0.6370.730
AHSG14185154952alpha-2-HS-glycoprotein [Canis lupus dingo]−0.6850.730
CALR14182193696calreticulin [Canis lupus dingo]0.3060.730
CALR3457877496calreticulin [Canis lupus familiaris]0.3060.730
ALB11046853072chain A, serum albumin−0.6370.730
PPIA86992094cyclophilin A, partial [Canis lupus familiaris]0.0990.730
GSTM3570881594glutathione S-transferase Mu 3 isoform X2 [Canis lupus familiaris]−0.0200.730
IVL14182135425involucrin [Canis lupus dingo]−0.2260.730
IVL5455289985involucrin [Canis lupus familiaris]−0.2260.730
LTF3393053512lactotransferrin, partial [Canis lupus familiaris]−0.0210.730
LDHB14182734483L-lactate dehydrogenase B chain-like [Canis lupus dingo]0.1100.730
LDHB14183195353L-lactate dehydrogenase B chain-like [Canis lupus dingo]0.1100.730
PPIA14182027844peptidyl-prolyl cis-trans isomerase A isoform X1 [Canis lupus dingo]0.0990.730
IVL1247285Involucrin−0.2260.730
TFF314182281962trefoil factor 3 [Canis lupus dingo]−0.0950.730
TFF31568758882trefoil factor family peptide 3 [Canis lupus familiaris]−0.0950.730
TFF31570617582trefoil factor family peptide 3, partial [Canis lupus]−0.0950.730
TPM35455040912tropomyosin alpha-3 chain isoform X6 [Canis lupus familiaris]0.4440.730
A1BG14182972373alpha-1B-glycoprotein [Canis lupus dingo]−0.1090.841
A1BG5454870243alpha-1B-glycoprotein [Canis lupus familiaris]−0.1090.841
BPIFB1141825107413BPI fold-containing family B member 1 [Canis lupus dingo]−1.3000.841
BPIFB154554036415BPI fold-containing family B member 1 isoform X1 [Canis lupus familiaris]−1.3270.841
BPIFB15710414215BPI fold-containing family B member 1 isoform X2 [Canis lupus familiaris]−1.3270.841
DSC234134696desmocollin type 2, partial [Canis lupus familiaris]−0.0980.841
DSC214183142636desmocollin-2 isoform X2 [Canis lupus dingo]−0.0980.841
DSC25455060226desmocollin-2 isoform X2 [Canis lupus familiaris]−0.0980.841
DSC214183142676desmocollin-2 isoform X4 [Canis lupus dingo]−0.0980.841
DSC25455060266desmocollin-2 isoform X4 [Canis lupus familiaris]−0.0980.841
ENO214182561562gamma-enolase [Canis lupus dingo]0.2560.841
GAPDH69838472glyceraldehyde-3-phosphate dehydrogenase [Canis lupus familiaris]0.0410.841
GAPDH9251151332glyceraldehyde-3-phosphate dehydrogenase [Canis lupus familiaris]0.0410.841
GAPDH14182923942glyceraldehyde-3-phosphate dehydrogenase isoform X1 [Canis lupus dingo]0.0410.841
GAPDH14182923962glyceraldehyde-3-phosphate dehydrogenase isoform X2 [Canis lupus dingo]0.0410.841
GAPDH14182602332glyceraldehyde-3-phosphate dehydrogenase-like [Canis lupus dingo]0.0410.841
GAPDH12399639162glyceraldehyde-3-phosphate dehydrogenase-like [Canis lupus familiaris]0.0410.841
GAPDH14182438392glyceraldehyde-3-phosphate dehydrogenase-like isoform X1 [Canis lupus dingo]0.0410.841
GAPDH14182438412glyceraldehyde-3-phosphate dehydrogenase-like isoform X2 [Canis lupus dingo]0.0410.841
CLU1639548glycoprotein 80 [Canis lupus familiaris]0.1320.841
IGHAC59810717IgA heavy chain constant region, partial [Canis lupus familiaris]−0.2230.841
IGHJ13401899052immunoglobulin heavy chain variable region, partial [Canis lupus familiaris]−0.8030.841
IGL-114942451952immunoglobulin light chain IGL-1, partial [Canis lupus familiaris]0.1570.841
IGL-314942451992immunoglobulin light chain IGL-3, partial [Canis lupus familiaris]0.1570.841
IGL-714942452072immunoglobulin light chain IGL-7, partial [Canis lupus familiaris]0.1570.841
LOC1065596949281534822LOW QUALITY PROTEIN: glyceraldehyde-3-phosphate dehydrogenase-like [Canis lupus familiaris]0.0410.841
MUC712399333202mucin-7 [Canis lupus familiaris]−0.0740.841
CANF2292922745precursor Can f 2, partial [Canis lupus familiaris]0.3180.841
PDIA3739647497protein disulfide-isomerase [Canis lupus familiaris]0.0370.841
SMR3A12399333136submaxillary gland androgen-regulated protein 3A isoform X1 [Canis lupus familiaris]0.0750.841
SMR3A3457796586submaxillary gland androgen-regulated protein 3A isoform X2 [Canis lupus familiaris]0.0750.841
N/A607346066unnamed protein product, partial [Canis lupus familiaris]−0.0470.841
N/A607346078unnamed protein product, partial [Canis lupus familiaris]−0.2720.841
PYGL75959202glycogen phosphorylase, partial [Canis lupus familiaris]0.0710.857
LOC61145814182139766pregnancy zone protein-like isoform X1 [Canis lupus dingo]0.1610.857
LOC6114585455464126pregnancy zone protein-like isoform X1 [Canis lupus familiaris]0.1610.857
LOC61145814182139786pregnancy zone protein-like isoform X2 [Canis lupus dingo]0.1610.857
LOC6114585455464146pregnancy zone protein-like isoform X2 [Canis lupus familiaris]0.1610.857
GDI2509789264rab GDP dissociation inhibitor beta [Canis lupus familiaris]−0.1020.857
SERPINB514182989705serpin B5 isoform X1 [Canis lupus dingo]0.2880.857
SERPINB53457843335serpin B5 isoform X1 [Canis lupus familiaris]0.2880.857
SERPINB514182989745serpin B5 isoform X2 [Canis lupus dingo]0.2880.857
SERPINB512398844955serpin B5 isoform X2 [Canis lupus familiaris]0.2880.857
TAGLN23457978823transgelin-2 [Canis lupus familiaris]0.2370.857
VIM5590983932vimentin [Canis lupus familiaris]0.1360.857
HBB14182222767hemoglobin subunit beta-like [Canis lupus dingo]0.1210.886
014181925757submaxillary mucin-like protein, partial [Canis lupus dingo]−0.0140.886
HBA111019728929TPA: globin A1 [Canis lupus familiaris]0.1030.886
BPIFB2141824954911BPI fold-containing family B member 2 [Canis lupus dingo]0.0990.905
PGAM13457926333phosphoglycerate mutase 1 [Canis lupus familiaris]−0.0950.905
LTF141822042933lactotransferrin [Canis lupus dingo]0.0730.937
PGD1418514978106-phosphogluconate dehydrogenase, decarboxylating [Canis lupus dingo]0.1001.000
PYCARD9281370062apoptosis-associated speck-like protein containing a CARD isoform X1 [Canis lupus familiaris]−0.0741.000
PYCARD14182829312apoptosis-associated speck-like protein containing a CARD isoform X2 [Canis lupus dingo]−0.0741.000
ACTB12226692beta-actin, partial [Canis lupus familiaris]−0.0401.000
BPIFA2141824955316BPI fold-containing family A member 2 [Canis lupus dingo]−1.1431.000
CAST14183313802calpastatin isoform X1 [Canis lupus dingo]0.3531.000
CAST5454926602calpastatin isoform X1 [Canis lupus familiaris]0.3531.000
CAST14183313982calpastatin isoform X10 [Canis lupus dingo]0.3531.000
CAST9281294002calpastatin isoform X10 [Canis lupus familiaris]0.3531.000
CAST14183314002calpastatin isoform X11 [Canis lupus dingo]0.3531.000
CAST9281294022calpastatin isoform X11 [Canis lupus familiaris]0.3531.000
CAST14183314022calpastatin isoform X12 [Canis lupus dingo]0.3531.000
CAST9281294042calpastatin isoform X12 [Canis lupus familiaris]0.3531.000
CAST14183314042calpastatin isoform X13 [Canis lupus dingo]0.3531.000
CAST12398944032calpastatin isoform X13 [Canis lupus familiaris]0.3531.000
CAST14183314062calpastatin isoform X14 [Canis lupus dingo]0.3531.000
CAST9281294062calpastatin isoform X14 [Canis lupus familiaris]0.3531.000
CAST14183314082calpastatin isoform X15 [Canis lupus dingo]0.3531.000
CAST9281294082calpastatin isoform X15 [Canis lupus familiaris]0.3531.000
CAST14183314102calpastatin isoform X16 [Canis lupus dingo]0.3531.000
CAST9281294102calpastatin isoform X16 [Canis lupus familiaris]0.3531.000
CAST14183314122calpastatin isoform X17 [Canis lupus dingo]0.3531.000
CAST9281294162calpastatin isoform X17 [Canis lupus familiaris]0.3531.000
CAST14183314142calpastatin isoform X18 [Canis lupus dingo]0.3531.000
CAST9281294122calpastatin isoform X18 [Canis lupus familiaris]0.3531.000
CAST14183314162calpastatin isoform X19 [Canis lupus dingo]0.3531.000
CAST9281294142calpastatin isoform X19 [Canis lupus familiaris]0.3531.000
CAST14183313822calpastatin isoform X2 [Canis lupus dingo]0.3531.000
CAST9281293892calpastatin isoform X2 [Canis lupus familiaris]0.3531.000
CAST12398944112calpastatin isoform X20 [Canis lupus familiaris]0.3531.000
CAST14183313842calpastatin isoform X3 [Canis lupus dingo]0.3531.000
CAST9281293912calpastatin isoform X3 [Canis lupus familiaris]0.3531.000
CAST14183313862calpastatin isoform X4 [Canis lupus dingo]0.3531.000
CAST5454926622calpastatin isoform X4 [Canis lupus familiaris]0.3531.000
CAST14183313882calpastatin isoform X5 [Canis lupus dingo]0.3531.000
CAST9281293942calpastatin isoform X5 [Canis lupus familiaris]0.3531.000
CAST14183313902calpastatin isoform X6 [Canis lupus dingo]0.3531.000
CAST9281293962calpastatin isoform X6 [Canis lupus familiaris]0.3531.000
CAST14183313922calpastatin isoform X7 [Canis lupus dingo]0.3531.000
CAST12398943952calpastatin isoform X7 [Canis lupus familiaris]0.3531.000
CAST14183313942calpastatin isoform X8 [Canis lupus dingo]0.3531.000
CAST12398943972calpastatin isoform X8 [Canis lupus familiaris]0.3531.000
CAST14183313962calpastatin isoform X9 [Canis lupus dingo]0.3531.000
CAST9281293982calpastatin isoform X9 [Canis lupus familiaris]0.3531.000
CTSG9281416422cathepsin G [Canis lupus familiaris]0.2291.000
HSP90B1396547402chain A, endoplasmin0.0741.000
HSP90B1710420922chain A, endoplasmin0.0741.000
HSP90B11166671202chain A, endoplasmin0.0741.000
HSP90B113355128222chain A, endoplasmin0.0741.000
HBB22734381715chain B, crystal structure of dog (Canis Familiaris) hemoglobin0.0871.000
HSP90B11597949575chain B, endoplasmin0.1221.000
HSP90B11597949595chain B, endoplasmin0.1221.000
HSP90B112585004525chain B, endoplasmin0.1221.000
HSP90B113790697772chain B, endoplasmin0.0741.000
HSP90B11597949503chain G, endoplasmin0.0771.000
DSG114183142533desmoglein-1 [Canis lupus dingo]0.0691.000
DSG15455040193desmoglein-1 isoform X1 [Canis lupus familiaris]0.0691.000
DSG141016283desmoglein-1 precursor [Canis lupus familiaris]0.0691.000
HSP90B1509791665endoplasmin precursor [Canis lupus familiaris]0.1221.000
FN114183432474fibronectin isoform X1 [Canis lupus dingo]−0.0291.000
FN19281825214fibronectin isoform X1 [Canis lupus familiaris]−0.0291.000
FN114183432654fibronectin isoform X10 [Canis lupus dingo]−0.0291.000
FN19281825234fibronectin isoform X10 [Canis lupus familiaris]−0.0291.000
FN114183432675fibronectin isoform X11 [Canis lupus dingo]−0.0291.000
FN19281825195fibronectin isoform X11 [Canis lupus familiaris]−0.0291.000
FN114183432494fibronectin isoform X2 [Canis lupus dingo]−0.0291.000
FN112399822394fibronectin isoform X2 [Canis lupus familiaris]−0.0291.000
FN114183432514fibronectin isoform X3 [Canis lupus dingo]−0.0291.000
FN112399822414fibronectin isoform X3 [Canis lupus familiaris]−0.0291.000
FN114183432535fibronectin isoform X4 [Canis lupus dingo]−0.0291.000
FN19281825075fibronectin isoform X4 [Canis lupus familiaris]−0.0291.000
FN114183432555fibronectin isoform X5 [Canis lupus dingo]−0.0291.000
FN19281825095fibronectin isoform X5 [Canis lupus familiaris]−0.0291.000
FN114183432574fibronectin isoform X6 [Canis lupus dingo]−0.0291.000
FN112399822434fibronectin isoform X6 [Canis lupus familiaris]−0.0291.000
FN114183432595fibronectin isoform X7 [Canis lupus dingo]−0.0291.000
FN19281825115fibronectin isoform X7 [Canis lupus familiaris]−0.0291.000
FN114183432614fibronectin isoform X8 [Canis lupus dingo]−0.0291.000
FN112399822454fibronectin isoform X8 [Canis lupus familiaris]−0.0291.000
FN114183432635fibronectin isoform X9 [Canis lupus dingo]−0.0291.000
FN19281825135fibronectin isoform X9 [Canis lupus familiaris]−0.0291.000
HBD1034841234globin, partial [Canis lupus familiaris]−0.6021.000
GSTM312399084103glutathione S-transferase Mu 3 isoform X1 [Canis lupus familiaris]0.1251.000
HSPB16966336502heat shock protein 27, partial [Canis lupus familiaris]0.1291.000
HSP90B16728900245heat shock protein 90 kDa beta member 1, partial [Canis lupus familiaris]0.1221.000
HSPB114183071593heat shock protein beta-1 [Canis lupus dingo]0.1291.000
HSPB19244429443heat shock protein beta-1 [Canis lupus familiaris]0.1291.000
HSPB16246853heat shock protein [Canis lupus familiaris]0.1291.000
HBB141822227413hemoglobin subunit beta [Canis lupus dingo]0.1021.000
HYAL15455336339hyaluronidase-1 isoform X1 [Canis lupus familiaris]−0.4591.000
HYAL114182158389hyaluronidase-1 isoform X2 [Canis lupus dingo]−0.4591.000
IGHAC463925612immunoglobulin alpha heavy chain constant regin variant A, partial [Canis lupus familiaris]−0.7321.000
IGJ; JCHAIN197156612immunoglobulin J chain, partial [Canis lupus familiaris]0.0521.000
KRT1014183375636keratin, type I cytoskeletal 10 isoform X1 [Canis lupus dingo]−0.1161.000
KRT109281444386keratin, type I cytoskeletal 10 isoform X1 [Canis lupus familiaris]−0.1161.000
KRT1014183375656keratin, type I cytoskeletal 10 isoform X2 [Canis lupus dingo]−0.1161.000
KRT109281444406keratin, type I cytoskeletal 10 isoform X2 [Canis lupus familiaris]−0.1161.000
KRT1014183375676keratin, type I cytoskeletal 10 isoform X3 [Canis lupus dingo]−0.1161.000
KRT109281444426keratin, type I cytoskeletal 10 isoform X3 [Canis lupus familiaris]−0.1161.000
LTF55976722635lactotransferrin precursor [Canis lupus familiaris]0.0591.000
LTF3393053492lactotransferrin, partial [Canis lupus familiaris]0.0701.000
LRG114182180164leucine-rich alpha-2-glycoprotein [Canis lupus dingo]−0.0661.000
LYZ6655059169lysozyme C precursor [Canis lupus familiaris]−0.9341.000
MYH1414183036122myosin-14 isoform X1 [Canis lupus dingo]0.5441.000
MYH143593185882myosin-14 isoform X1 [Canis lupus familiaris]0.5441.000
MYH1414183036162myosin-14 isoform X2 [Canis lupus dingo]0.5441.000
MYH1412398873682myosin-14 isoform X2 [Canis lupus familiaris]0.5441.000
MYH1414183036182myosin-14 isoform X3 [Canis lupus dingo]0.5441.000
MYH1412398873702myosin-14 isoform X3 [Canis lupus familiaris]0.5441.000
MYH1414183036202myosin-14 isoform X4 [Canis lupus dingo]0.5441.000
MYH1412398873722myosin-14 isoform X4 [Canis lupus familiaris]0.5441.000
PEBP11143263214phosphatidylethanolamine-binding protein 1 [Canis lupus familiaris]−0.0631.000
PEBP414182304324phosphatidylethanolamine-binding protein 4 isoform X1 [Canis lupus dingo]0.2651.000
PEBP43457905613phosphatidylethanolamine-binding protein 4 isoform X1 [Canis lupus familiaris]0.2651.000
PEBP414182304223phosphatidylethanolamine-binding protein 4 isoform X2 [Canis lupus dingo]0.2781.000
PEBP412399619952phosphatidylethanolamine-binding protein 4 isoform X2 [Canis lupus familiaris]0.2781.000
PEBP414182304242phosphatidylethanolamine-binding protein 4 isoform X3 [Canis lupus dingo]−0.2671.000
PEBP412399619972phosphatidylethanolamine-binding protein 4 isoform X3 [Canis lupus familiaris]−0.2671.000
PEBP414182304264phosphatidylethanolamine-binding protein 4 isoform X4 [Canis lupus dingo]0.2651.000
PEBP412399619993phosphatidylethanolamine-binding protein 4 isoform X4 [Canis lupus familiaris]0.2651.000
PEBP414182304284phosphatidylethanolamine-binding protein 4 isoform X5 [Canis lupus dingo]0.2651.000
PEBP412399620013phosphatidylethanolamine-binding protein 4 isoform X5 [Canis lupus familiaris]0.2651.000
PEBP414182304304phosphatidylethanolamine-binding protein 4 isoform X6 [Canis lupus dingo]0.2651.000
PEBP43457905593phosphatidylethanolamine-binding protein 4 isoform X6 [Canis lupus familiaris]0.2651.000
N/A12398841024phospholipase A2 inhibitor and Ly6/PLAUR domain-containing protein, partial [Canis lupus familiaris]−1.0611.000
N/A14182705152poly(U)-specific endoribonuclease [Canis lupus dingo]0.1341.000
N/A12399683622poly(U)-specific endoribonuclease [Canis lupus familiaris]0.1341.000
N/A12399312682proteoglycan 4-like [Canis lupus familiaris]0.0541.000
IQGAP114183311693ras GTPase-activating-like protein IQGAP1 [Canis lupus dingo]0.2261.000
LYZ89281899RecName: Full = Lysozyme C, spleen isozyme; AltName: Full = 1,4-beta-N-acetylmuramidase C−0.9341.000
SCGB1D114185044682secretoglobin family 1D member 2-like [Canis lupus dingo]1.1051.000
SCGB1D15455312372secretoglobin family 1D member 2-like [Canis lupus familiaris]1.1051.000
SH3BGRL33457944562SH3 domain-binding glutamic acid-rich-like protein 3 [Canis lupus familiaris]−0.0111.000
SCGB1A19226643202uteroglobin, partial [Canis lupus familiaris]−0.1301.000
N/A12399599512vomeromodulin-like [Canis lupus familiaris]0.0981.000

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Table 1. Proteins downregulated and upregulated in serum. In serum, 35 proteins were initially identified with statistically significant different abundances in CMT and HC. After the removing of duplicates and isoforms, there were 9 downregulated and 7 upregulated proteins.
Table 1. Proteins downregulated and upregulated in serum. In serum, 35 proteins were initially identified with statistically significant different abundances in CMT and HC. After the removing of duplicates and isoforms, there were 9 downregulated and 7 upregulated proteins.
GI AccessionGene SymbolDescriptionp-ValueFold ChangeMean (SD)Mean (SD)
HCCMT
Proteins upregulated in CMT when compared to HC
345791439SERPIND1Heparin cofactor 20.0321.1680.874 (0.061)1.021 (0.092)
1239925760C5Complement component C50.0161.1940.875 (0.112)1.045 (0.066)
1239899336C6Complement component C60.0081.2540.883 (0.109)1.107 (0.068)
73967778FCN2Ficolin-20.0481.4430.873 (0.177)1.260 (0.366)
258499HPHaptoglobin heavy chain0.0321.4580.620 (0.151)0.904 (0.182)
60734606IGHACImmunoglobulin alpha heavy chain constant region0.0082.0300.501 (0.077)1.017 (0.223)
1304047FGAFibrinogen A-alpha chain0.0165.6830.394 (0.060)2.239 (1.186)
Proteins downregulated in CMT when compared to HC
16607715IL13RA2Interleukin-13 receptor subunit alpha-20.0160.421.434 (0.686)0.603 (0.102)
16607648IGHGImmunoglobulin gamma-heavy chain D0.0160.421.423 (0.672)0.602 (0.099)
119637837SERPINF1Pigment epithelium-derived factor0.0080.781.178 (0.106)0.915 (0.068)
1272414FN1Fibronectin0.0160.781.143 (0.041)0.888 (0.103)
345777712AMBPAlpha-1-microglobulin/bikunin precursor0.0080.781.219 (0.100)0.954 (0.051)
5821257AGTAngiotensinogen0.0160.811.094 (0.155)0.886 (0.034)
3319897ALBAlbumin0.0480.821.101 (0.059)0.904 (0.193)
1239925762GSNGelsolin0.0320.821.194 (0.141)0.981 (0.074)
296089APOHApolipoprotein H0.0320.901.009 (0.07)0.911 (0.065)
Color represent relative abundance of the protein (red for downregulated, green for upregulated).
Table 2. Molecular function, biological process, pathways, and protein class as the number of genes and gene percentage of the differentially expressed proteins in the HC and CMT groups in serum and saliva based on the Protein Analysis Through Evolutionary Relationships (PANTHER) classification system.
Table 2. Molecular function, biological process, pathways, and protein class as the number of genes and gene percentage of the differentially expressed proteins in the HC and CMT groups in serum and saliva based on the Protein Analysis Through Evolutionary Relationships (PANTHER) classification system.
SerumSaliva
Gene% Gene Gene% Gene
Molecular Function
Binding (GO:0005488) 533.3Binding (GO:0005488) 1043.5
Catalytic activity (GO:0003824) 533.3Catalytic activity (GO:0003824) 939.1
Molecular function regulator (GO:0098772) 426.7Molecular function regulator (GO:0098772) 28.7
Molecular transducer activity (GO:0060089)16.7Structural molecule activity (GO:0005198)28.7
Biological Process
Biological regulation (GO:0065007)428.6Biological adhesion (GO:0022610) 24.2
Cellular process (GO:0009987)428.6Biological regulation (GO:0065007) 48.3
Localization (GO:0051179)17.1Cell population proliferation (GO:0008283) 12.1
Metabolic process (GO:0008152)428.6Cellular component organization or biogenesis (GO:0071840) 36.3
Response to stimulus (GO:0050896)17.1Cellular process (GO:0009987) 1225
Developmental process (GO:0032502) 24.2
Growth (GO:0040007) 12.1
Immune system process (GO:0002376) 24.2
Localization (GO:0051179) 24.2
Locomotion (GO:0040011) 12.1
Metabolic process (GO:0008152) 918.8
Multicellular organismal process (GO:0032501) 12.1
Reproduction (GO:0000003) 12.1
Reproductive process (GO:0022414) 12.1
Response to stimulus (GO:0050896) 48.3
Signaling (GO:0023052) 24.2
Pathways
Angiotensin II-stimulated signaling through G proteins and beta-arrestin (P05911)125Adenine and hypoxanthine salvage pathway (P02723) 16.7
Blood coagulation (P00011)125B cell activation (P00010) 16.7
FAS signaling pathway (P00020)125CCKR signaling map (P06959) 16.7
Interleukin signaling pathway (P00036)125De novo purine biosynthesis (P02738) 16.7
De novo pyrimidine deoxyribonucleotide biosynthesis (P02739) 16.7
De novo pyrimidine ribonucleotides biosythesis (P02740) 16.7
Glycolysis (P00024) 16.7
Heterotrimeric G protein signaling pathway-Gi alpha and Gs alpha-mediated pathway (P00026) 16.7
Heterotrimeric G protein signaling pathway-rod outer segment phototransduction (P00028) 16.7
Integrin signalling pathway (P00034) 16.7
Purine metabolism (P02769) 16.7
Pyruvate metabolism (P02772) 16.7
Salvage pyrimidine ribonucleotides (P02775) 16.7
T cell activation (P00053) 16.7
TCA cycle (P00051) 16.7
Protein Class
Cytoskeletal protein (PC00085)112.5Calcium-binding protein (PC00060) 533.3
Intercellular signal molecule (PC00207)112.5Cytoskeletal protein (PC00085) 213.3
Protein-modifying enzyme (PC00260)112.5Extracellular matrix protein (PC00102) 16.7
Protein-binding activity modulator (PC00095)412.550Metabolite interconversion enzyme (PC00262) 533.3
Transfer/carrier protein (PC00219)112.5Protein-modifying enzyme (PC00260) 16.7
Transmembrane signal receptor (PC00197)16.7
Table 3. Proteins downregulated and upregulated in saliva. In saliva, 49 proteins were initially identified with statistically significant different abundances in CMT and HC. After the removing of duplicates and isoforms, there were 27 upregulated and 1 downregulated proteins.
Table 3. Proteins downregulated and upregulated in saliva. In saliva, 49 proteins were initially identified with statistically significant different abundances in CMT and HC. After the removing of duplicates and isoforms, there were 27 upregulated and 1 downregulated proteins.
GI AccessionGene SymbolDescriptionp-ValueFold ChangeMean (SD)Mean (SD)
HCCMT
Proteins upregulated in CMT when compared to HC
356582247NPC2NPC intracellular cholesterol transporter 2 precursor0.0321.2820.738 (0.129)0.946 (0.108)
1418259105PDIA3Protein disulfide-isomerase A30.0321.3240.753 (0.170)0.997 (0.115)
558757359EZREzrin0.0321.3310.713 (0.222)0.949 (0.086)
1418304395CALM3Calmodulin 30.0161.4450.690 (0.230)0.997 (0.121)
1418197013CALM2Calmodulin 20.0321.480.791 (0.208)1.171 (0.158)
1418206782MUC5BMucin 5B0.0401.4980.673 (0.179)1.008 (0.145)
73948247LYPD3Ly6/PLAUR domain-containing protein 30.0081.510.673 (0.097)1.016 (0.090)
76363530TPI1Triosephosphate isomerase0.0081.5120.746 (0.266)1.128 (0.091)
73947736ACTN4Alpha actinin 40.0321.5210.728 (0.273)1.107 (0.121)
1418202786PPIAPeptidyl-prolyl cis-trans isomerase A0.0321.5240.862 (0.322)1.314 (0.240)
73980076XDHXanthine dehydrogenase/oxidase0.0161.5260.671 (0.288)1.024 (0.076)
57092971MDH1Malate dehydrogenase, cytoplasmic0.0161.5750.703 (0.100)1.107 (0.239)
545510196NME2Nucleoside diphosphate kinase B0.0081.6490.641 (0.165)1.057 (0.053)
356582340RPS27AUbiquitin-40S ribosomal protein S27a0.0321.6650.626 (0.292)1.042 (0.222)
5441519UBA52Ubiquitin-ribosomal protein L40 fusion protein0.0321.6650.626 (0.292)1.042 (0.222)
1239902229UBBPolyubiquitin-B0.0321.6650.626 (0.292)1.042 (0.222)
73995130UBCPolyubiquitin-C0.0321.6650.626 (0.292)1.042 (0.222)
558695394ANXA1Annexin A10.0161.6870.591 (0.250)0.997 (0.092)
1239889921UBUbiquitin0.0321.7040.618 (0.259)1.053 (0.215)
1418293878CAP1Adenylyl cyclase-associated protein 10.0161.7350.618 (0.251)1.072 (0.132)
1418294943PRDX1Peroxiredoxin 10.0081.7830.580 (0.247)1.034 (0.110)
1418213540SPRR1ACornifin A0.0161.8530.543 (0.214)1.006 (0.235)
1418313584S100A2Protein S100-A20.0322.0080.514 (0.249)1.032 (0.303)
1239955263MDH2Malate dehydrogenase, mitochondrial0.0082.0520.481 (0.179)0.987 (0.229)
1391723726S100A4Protein S100-A40.0322.1770.468 (0.337)1.019 (0.191)
3121745CANF1Major allergen Can f 10.0162.3150.496 (0.067)1.148 (0.150)
1239912330S100A6Protein S100-A60.0082.3560.424 (0.273)0.999 (0.071)
Proteins downregulated in CMT when compared to HC
1418303522KLK1Kallikrein-1-like0.0160.5561.652 (0.126)0.919 (0.379)
Color represent relative abundance of the protein (red for downregulated, green for upregulated).

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Franco-Martínez, L.; Gelemanović, A.; Horvatić, A.; Contreras-Aguilar, M.D.; Dąbrowski, R.; Mrljak, V.; Cerón, J.J.; Martínez-Subiela, S.; Tvarijonaviciute, A. Changes in Serum and Salivary Proteins in Canine Mammary Tumors. Animals 2020, 10, 741. https://doi.org/10.3390/ani10040741

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Franco-Martínez L, Gelemanović A, Horvatić A, Contreras-Aguilar MD, Dąbrowski R, Mrljak V, Cerón JJ, Martínez-Subiela S, Tvarijonaviciute A. Changes in Serum and Salivary Proteins in Canine Mammary Tumors. Animals. 2020; 10(4):741. https://doi.org/10.3390/ani10040741

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Franco-Martínez, Lorena, Andrea Gelemanović, Anita Horvatić, María Dolores Contreras-Aguilar, Roman Dąbrowski, Vladimir Mrljak, José Joaquín Cerón, Silvia Martínez-Subiela, and Asta Tvarijonaviciute. 2020. "Changes in Serum and Salivary Proteins in Canine Mammary Tumors" Animals 10, no. 4: 741. https://doi.org/10.3390/ani10040741

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