Abstract
Imipenem is a carbapenem antibiotic largely used to treat infection diseases. The present study was designed to investigate the effects of imipenem/cilastatin (IMP) on oxidative stress, antioxidant levels, testicular structure and sperm parameters in rats. Adult Wistar rats (84 days old; N = 8/group) were treated intraperitoneally with physiological serum containing 0 mg/kg, 30 mg/kg, 50 mg/kg and 80 mg/kg of IMP for one week. The results revealed that exposure to IMP especially at high doses, significantly decreased sexual organs weights (testis, epididymis, seminal vesicle and prostate), sperm characteristics (motility, viability and count) and plasma testosterone level while increased sperm abnormality. In addition, the testicular tissue level of lipid peroxidation (LPO) was significantly increased while the level of activities of superoxide dismutase (SOD), catalase (CAT) and glutathion peroxidase (GPx) decreased compared to the control group. Severe testicular lesions were recorded in the seminiferous tubules as well as a significant impairment in sperm characteristics. In conclusion, IMP induced an oxidative stress-status and histopathological changes in the testis and altered spermatogenesis in particular at both 50 and 80 mg/kg dose-levels (p < 0.001).
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