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Article

Protein Cargo of Salivary Small Extracellular Vesicles as Potential Functional Signature of Oral Squamous Cell Carcinoma

by
Simona Fontana
1,*,
Rodolfo Mauceri
2,3,4,
Maria Eugenia Novara
1,
Riccardo Alessandro
1,5 and
Giuseppina Campisi
2
1
Department of Biomedicine, Neurosciences and Advanced Diagnostics, University of Palermo, 90133 Palermo, Italy
2
Department of Surgical, Oncological and Oral Sciences, University of Palermo, 90127 Palermo, Italy
3
Department of Biomedical and Dental Sciences, Morphological and Functional Images, University of Messina, 98124 Messina, Italy
4
Department of Dental Surgery, Faculty of Dental Surgery, University of Malta, 2090 Msida, Malta
5
Institute for Biomedical Research and Innovation (IRIB), National Research Council (CNR), 90146 Palermo, Italy
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2021, 22(20), 11160; https://doi.org/10.3390/ijms222011160
Submission received: 23 September 2021 / Revised: 11 October 2021 / Accepted: 13 October 2021 / Published: 16 October 2021
(This article belongs to the Collection Feature Papers in Molecular Oncology)

Abstract

The early diagnosis of oral squamous cell carcinoma (OSCC) is still an investigative challenge. Saliva has been proposed as an ideal diagnostic medium for biomarker detection by mean of liquid biopsy technique. The aim of this pilot study was to apply proteomic and bioinformatic strategies to determine the potential use of saliva small extracellular vesicles (S/SEVs) as a potential tumor biomarker source. Among the twenty-three enrolled patients, 5 were free from diseases (OSCC_FREE), 6 were with OSCC without lymph node metastasis (OSCC_NLNM), and 12 were with OSCC and lymph node metastasis (OSCC_LNM). The S/SEVs from patients of each group were pooled and properly characterized before performing their quantitative proteome comparison based on the SWATH_MS (Sequential Window Acquisition of all Theoretical Mass Spectra) method. The analysis resulted in quantitative information for 365 proteins differentially characterizing the S/SEVs of analyzed clinical conditions. Bioinformatic analysis of the proteomic data highlighted that each S/SEV group was associated with a specific cluster of enriched functional network terms. Our results highlighted that protein cargo of salivary small extracellular vesicles defines a functional signature, thus having potential value as novel predict biomarkers for OSCC.
Keywords: saliva small extracellular vesicles; liquid biopsy; oral squamous cell carcinoma; protein profiling saliva small extracellular vesicles; liquid biopsy; oral squamous cell carcinoma; protein profiling

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MDPI and ACS Style

Fontana, S.; Mauceri, R.; Novara, M.E.; Alessandro, R.; Campisi, G. Protein Cargo of Salivary Small Extracellular Vesicles as Potential Functional Signature of Oral Squamous Cell Carcinoma. Int. J. Mol. Sci. 2021, 22, 11160. https://doi.org/10.3390/ijms222011160

AMA Style

Fontana S, Mauceri R, Novara ME, Alessandro R, Campisi G. Protein Cargo of Salivary Small Extracellular Vesicles as Potential Functional Signature of Oral Squamous Cell Carcinoma. International Journal of Molecular Sciences. 2021; 22(20):11160. https://doi.org/10.3390/ijms222011160

Chicago/Turabian Style

Fontana, Simona, Rodolfo Mauceri, Maria Eugenia Novara, Riccardo Alessandro, and Giuseppina Campisi. 2021. "Protein Cargo of Salivary Small Extracellular Vesicles as Potential Functional Signature of Oral Squamous Cell Carcinoma" International Journal of Molecular Sciences 22, no. 20: 11160. https://doi.org/10.3390/ijms222011160

APA Style

Fontana, S., Mauceri, R., Novara, M. E., Alessandro, R., & Campisi, G. (2021). Protein Cargo of Salivary Small Extracellular Vesicles as Potential Functional Signature of Oral Squamous Cell Carcinoma. International Journal of Molecular Sciences, 22(20), 11160. https://doi.org/10.3390/ijms222011160

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