Introduction: The aim of this study was to determine the protective effects of lemon fruit extracts (LFE) against histopathological changes induced in the testes of male mice treated with cyclophosphamide (CP). 

Methods: Thirty male mice were divided evenly into six groups: 1) group 1: the controls, 2) group 2: treated with LFE (10 ml/kg b wt.), 3) group 3: treated with CP (10 mg/kg b wt.), 4) group 4: treated with CP (20 mg/kg b wt.), 5) group 5: treated with LFE (10 ml/kg) + CP (10 mg/kg), 6) group 6: treated with LFE (10 ml/kg) + CP (20 mg/kg).

Results: Histological examination of the testes of mice treated with CP revealed histopathological changes, such as atrophy, degeneration, incomplete spermatogenic series in most seminiferous tubules, and spermatogenic necrosis with pyknotic nuclei. Advanced degree of improvement was seen in testes of mice treated with LFE co-administered with CP. Most of the seminiferous tubules restored their normal structure and spermatogenic layers appeared semi-normal with complete spermatogenic series. 

Conclusion: Lemon fruit extract in conjunction with drug treatment protects the testicular tissue against CP-induced testicular injury in mice.


Keywords: cyclophosphamide, lemon fruit, histopathological changes, testes, mice
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