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Updated: Jun 13, 2025
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Evaluation of Stem Cell Therapies in a Bilateral Patellar Tendon Injury Model in Rats
Published on: March 30, 2018
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Pathological and vascular changes in the rat testiсle after experimental trauma
Anastasiya Spaska1, Bogdan Grytsuliak2, Nelia Dolynko3
1College of Medicine, Ajman University, Ajman, United Arab Emirates.
Clinical and Experimental Reproductive Medicine
|September 20, 2024
Summary
Mechanical testicular trauma causes significant tissue damage, reduced sperm production, and infertility. This study details the cellular and morphological changes in rat testes following blunt trauma, showing damage severity increases over time.
Area of Science:
- Reproductive biology
- Pathology
- Histology
Background:
- Mechanical testicular trauma can lead to infertility.
- Understanding testicular injury is crucial for reproductive health.
- Previous research highlights the risk of tissue destruction and impaired spermatogenesis.
Purpose of the Study:
- To identify cytological and morphological changes in rat testicular tissue after mechanical trauma.
- To document the progression of testicular injury over time.
Main Methods:
- Blunt mechanical trauma was inflicted on experimental rats; a control group was maintained.
- Testicular tissue samples were collected on days 7, 14, 30, and 90 post-trauma.
- Light and transmission electron microscopy were used to analyze structural changes in tissues and cells.
Main Results:
- Traumatized testes showed decreased organ weight, thickened tubules, reduced sperm counts, and damaged spermatogenic epithelium.
- Cellular changes included vacuolated cytoplasm, diminished mitochondria and Golgi apparatus, and nuclear pyknosis.
- The extent of tissue and cellular destruction correlated positively with the time elapsed post-trauma.
Conclusions:
- The observed changes provide a model for understanding testicular trauma.
- These findings may inform future clinical trials on testicular injury and infertility.
