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Updated: Feb 12, 2026

Simple and Efficient Technique for the Preparation of Testicular Cell Suspensions
Published on: August 4, 2013
Capsaicin protects against testicular torsion injury through mTOR-dependent mechanism
Nasim Javdan1, Seyed Abdulmajid Ayatollahi2, Muhammad Iqbal Choudhary3
1ShahidBeheshti University of Medical Sciences, Phytochemistry Research Center, Tehran, Iran.
Scope:
Testicular torsion and subsequent release of reactive oxygen species (ROS) can cause infertility in adults. Oxidative stress following testicular torsion plays an important role in the ýonset and development of apoptotic cell death through dysregulation of the cellular signaling pathways. Anti-inflammatory and antioxidant properties of capsaicin, a bioactive composition present in red peppers, has already been exploited for treatment of the cancer and pain relief. In present work, we evaluated the role of the mammalian target of rapamycin (mTOR) in antioxidant effect of capsaicin against reperfusion injury following testicular torsion.
Methods:
Male Wistar rats weighing 200-220 g were randomly assigned into four major groups: (i) a sham operated group, (ii) a testicular torsion (TT) group, (iii) three groups treated with different doses of capsaicin (TT + 100, 500 and 1000 μg/ml Cap), and (iv) three groups of healthy rats treated with different doses of capsaicin (100, 500 and 1000 μg/ml). Western blotting assay was used to examine the anti-apoptotic effects of capsaicin in testicular cells following torsion. H&E and TUNEL methods were used to evaluate testicular morphology and apoptosis activity.
Results:
Compared to control group, phosphorylation of mTOR was significantly increased in the TT groups. Capsaicin administration remarkably decreased the phosphorylation of mTOR at the highest dose (P < 0.05). Capsaicin decreased apoptosis and preserved tubular morphology in testes.
Conclusion:
Our results showed that antioxidant properties of capsaicin minimizes cell death and reperfusion injury following testicular torsion.
Insights
Testicular torsion causes infertility due to oxidative stress. Capsaicin, an antioxidant, was found to reduce cell death and preserve testicular tissue by inhibiting mTOR phosphorylation.
Area of Science:
- Reproductive Medicine
- Cell Biology
- Pharmacology
Background:
- Testicular torsion leads to infertility through oxidative stress and apoptosis.
- Reactive oxygen species (ROS) play a critical role in testicular damage.
- Capsaicin exhibits anti-inflammatory and antioxidant properties.
Purpose of the Study:
- To investigate the role of mammalian target of rapamycin (mTOR) in the antioxidant effects of capsaicin.
- To evaluate capsaicin's efficacy in mitigating reperfusion injury following testicular torsion.
Main Methods:
- Male Wistar rats were divided into sham, torsion, and capsaicin-treated groups.
- Western blotting was used to assess anti-apoptotic effects.
- Histological (H&E) and TUNEL assays evaluated testicular morphology and apoptosis.
Main Results:
- Testicular torsion significantly increased mTOR phosphorylation.
- Capsaicin administration, particularly at higher doses, decreased mTOR phosphorylation.
- Capsaicin treatment preserved tubular morphology and reduced apoptosis in testicular tissue.
Conclusions:
- Capsaicin's antioxidant properties effectively minimize cell death and reperfusion injury.
- The study highlights capsaicin's potential therapeutic role in managing testicular torsion complications.
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