Animal Models for the Study of Human Diseases

A special issue of Biomedicines (ISSN 2227-9059). This special issue belongs to the section "Molecular and Translational Medicine".

Deadline for manuscript submissions: 31 August 2025 | Viewed by 2273

Special Issue Editor


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Guest Editor
1. Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, MN 55905, USA
2. The Biomedical Sciences Institute, Qingdao University, Qingdao 266073, China
Interests: genetics; cardiomyopathy; cardiac conduction diseases; zebrafish; turquoise killifish

Special Issue Information

Dear Colleagues,

The use of animal models in biomedical research has been instrumental in advancing our understanding of human diseases. Animal models allow researchers to simulate the pathophysiology of human conditions, providing critical insights into disease mechanisms, therapeutic interventions, and drug efficacy. The translation of basic scientific knowledge into clinical applications often relies on these models, which provide important preclinical data to inform clinical trials and treatment strategies.

This Special Issue, titled "Animal Models for the Study of Human Diseases", aims at showcasing the latest advancements in the use of animal models for understanding human diseases, improving therapeutic approaches, and bridging the gap between basic science and clinical practice. We invite high-quality research papers and reviews that highlight innovative techniques, findings, and applications in this ever-evolving field.

For this Special Issue, we encourage submissions on a wide array of topics related to animal models for human diseases, including, but not limited to, the following:

1. Development and improvement of animal models for specific human diseases:

  • Creation of novel animal models for diseases.
  • Development or advancements in more accurate models to reflect human disease heterogeneity and complexities.
  • Genetic, environmental, and mechanistic factors in animal models of human disease.

2. Modeling disease progression and treatment responses:

  • Animal models for studying disease progression, biomarkers, and the molecular basis of disease.
  • Use of animal models for testing drug efficacy, safety, and toxicity.
  • Evaluation of therapeutic strategies, including gene therapy, stem cell therapy, immunotherapy, and small molecule treatments.

3. Humanization of animal models:

  • Generation of humanized animal models to better mimic human physiology and pathology.
  • Development of transgenic animals to study human diseases at the molecular and cellular levels.
  • Integration of human tissues or cells into animal models to better reflect human disease and treatment responses.

4. Translational applications of animal models:

  • From bench to bedside: the role of animal models in advancing clinical treatments and therapies.
  • Impact of animal research on personalized medicine, including the use of animal models to identify patient subtypes or predict treatment responses.
  • Animal models in the study of rare diseases and orphan drug development.

Dr. Yong-He Ding
Guest Editor

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Keywords

  • animal models
  • zebrafish
  • mice
  • rats

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Published Papers (2 papers)

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Research

15 pages, 3629 KiB  
Article
The Modified Canine Groove Model of Osteoarthritis
by Goran S. van der Weiden, Björn P. Meij, Amy van de Belt, Roel J. H. Custers, Sanne K. Both, Marcel Karperien and Simon C. Mastbergen
Biomedicines 2025, 13(4), 913; https://doi.org/10.3390/biomedicines13040913 - 9 Apr 2025
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Abstract
Background/Objectives: In the original canine groove model of osteoarthritis (OA), superficial scratches to the cartilage lead to slow progressive cartilage damage, with inflammation mimicking key aspects of human disease. The present study assesses a modified canine groove model with full-thickness cartilage grooves, [...] Read more.
Background/Objectives: In the original canine groove model of osteoarthritis (OA), superficial scratches to the cartilage lead to slow progressive cartilage damage, with inflammation mimicking key aspects of human disease. The present study assesses a modified canine groove model with full-thickness cartilage grooves, gouged with a 3-mm biopsy punch, in the femoral condyles. This modified model enables the study of cartilage repair techniques, such as scaffold implantation. Methods: Cartilage defects were induced in the right knee of five mongrel dogs (four females, one male; 17 ± 4 months; 25.9 ± 2.0 kg) using the modified groove model, creating two full-thickness cartilage grooves on the femoral condyles. Data of a previously studied cohort of nine dogs (nine females; 18 ± 6 months; 17.6 ± 0.7 kg) with OA induced according to the original groove model served as the canine OA standard. Both groups were monitored up to 45 weeks post-surgery. Pain/function was assessed by force plate analysis, and cartilage integrity, chondrocyte activity, and synovial inflammation were evaluated on the surgically untouched tibial plateaus by macroscopic, histologic, and biochemical analyses. Results: Force plate analysis showed no significant changes in either group. Both models exhibited OA features. Experimental knees had more macroscopic and histologic damage, reduced proteoglycan content, and impaired retention of proteoglycans than controls. The modified groove model had less severe cartilage damage and synovial inflammation (p = 0.026, p = 0.017), with no other significant differences. Conclusions: The modified groove model induces OA at a slow pace, mirroring post-traumatic OA development in humans. It represents a mild OA model, comparable to the original groove model, and may be useful for evaluating cartilage repair strategies, such as scaffold implantation. Full article
(This article belongs to the Special Issue Animal Models for the Study of Human Diseases)
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17 pages, 12389 KiB  
Article
Highlighting the Role of Prenatally Administered Drugs in the Production of Dental Enamel Defects in Rats by Polarized Light Microscopy
by Mihai Popescu, Marilena Bătăiosu, Stelian-Mihai-Sever Petrescu, Mihaela Ionescu, Marius Ciprian Văruț, Diana Elena Vlăduțu, Tiberius-Cătălin Dudan, Adina-Monica Chiriac, Camelia Fiera (Maglaviceanu) and Veronica Mercuț
Biomedicines 2025, 13(3), 575; https://doi.org/10.3390/biomedicines13030575 - 25 Feb 2025
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Abstract
Background/Objectives: Although factors acting both prenatally and postnatally are taken into consideration, the etiopathogenesis of developmental defects of enamel (DDE) is not fully understood. Among the medications used for a variety of ailments, amoxicillin and cefaclor are indicated as having a part in [...] Read more.
Background/Objectives: Although factors acting both prenatally and postnatally are taken into consideration, the etiopathogenesis of developmental defects of enamel (DDE) is not fully understood. Among the medications used for a variety of ailments, amoxicillin and cefaclor are indicated as having a part in the development of DDE. The objective of the present study was to reproduce DDE in the laboratory in rats by administering amoxicillin, ibuprofen, and cefaclor. These lesions were subsequently diagnosed using polarized light microscopy (PLM). Methods: This study was conducted on Wistar rats, which were given prenatally drugs possibly involved in the production of DDE. After macroscopic examination and identification of enamel defects, bright-field microscopy (BFM) and PLM examination were performed. Results: The group that received cefaclor was the most affected, according to the data gathered from this study. This group was followed by the groups that received amoxicillin in a double dose, ibuprofen, amoxicillin in a standard dose, and the control group. Conclusions: In the control group, DDE was identified in a reduced number, resulting in the fact that there are other factors involved, besides the drugs administered, in the development of DDE. Following this research, it was concluded that DDE in the form of demineralization was more frequently recorded in the cefaclor and ibuprofen groups, while DDE in the form of hypoplasia was more frequently recorded in the double-dose and standard-dose amoxicillin groups. Full article
(This article belongs to the Special Issue Animal Models for the Study of Human Diseases)
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