Effects of Withania coagulans extract and morphine on spermatogenesis in rats
Abstract
Purpose: To investigate the comparative effects of Withania coagolans extract and morphine on spermatogenesis in rats
Methods: W. coagolans was collected from Sistan and Baluchestan, Iran and 50 and 100 mg/kg body weight doses of methanol extract and 5, 10 and 15 mg/kg body weight doses of morphine were administered parenterally to the rats which were divided into groups. Blood samples were collected and the levels of luteinizing hormone (LH), follicle stimulating hormone (FSH), and testosterone were assayed. The testicular tissue was isolated for histopathological examination.
Results: No significant changes were observed in levels of LH, FSH and testosterone in treated groups (p < 0.05). However, there was significant difference between the treated groups for extract plus morphine groups, in terms of the number of spermatogonium, spermatocytes and spermatide variation. Moreover, the results indicate tissue disorders in all groups relative to control. The extract caused more disturbances in spermatogenesis compared to morphine, and appears to improve parameters related to spermatogenesis.
Conclusion: The results show that the higher dose of Withania coagolans extract (100 mg/kg) exerts varying effects on reproductive parameters. Moreover, the lower dose of Withania coagolans extract (50 mg/kg) enhanced spermatogenesis while also protecting against the damaging effects of morphine.
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