Abstract
Objective: The present study was undertaken to explore the effects of monensin, a potent Golgi disturbing agent on male fertility. Methods: Male Wistar rats were administered monensin at the dose levels of 2.5, 5, and 10 mg/kg b wt. Animals were sacrificed after 67 days of the treatment. The activities of lactate dehydrogenase (LDH), ATPase, acid phosphatase and thiamine pyrophosphatase (TPPase) were measured in the testis. Cytochemical assay of Golgi body marker enzyme, thiamine pyrophosphatase was also performed. Ultrastructural changes in testis were studied by Transmission electron microscopy. Sperm number and motility were also examined. Results and discussion: The alterations in the activities of above mentioned enzymes indicate the pronounced effect of the drug on the functioning of spermatogenic cells. The findings from electron microscopy such as membrane disruption, swelling and disintegration of Golgi apparatus strongly suggest the interference of monensin with the functioning of Golgi apparatus in the spermatogenic cells. Data from the sperm number and motility as well as the fertility studies and the resulted litter size further points towards the antifertility effects of monensin in male rats. Conclusion: The findings from the present study strongly indicated the effects of monensin on the testis, involving alterations in key enzyme activities and changes at the ultrastructural level.
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