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The present study explored the effect of virgin coconut oil on oxidative stress, testosterone and gonadotropic hormones in alcohol-induced testicular injury. Twenty-five male rats were randomly assigned to one of five groups (n=5). The oil was processed from the mature endosperm of coconut and administered at 6.7 ml/kg body weight, while alcohol was given orally at 7 ml/kg body weight. After sacrifice, testicular malondialdehyde and serum hormone levels were determined. Testicular malondialdehyde levels increased significantly in animals treated with alcohol alone (p < 0.001), and animals treated with alcohol following virgin coconut oil treatment (p < 0.05) while the other groups showed a significant decrease (p < 0.05) when compared with the control. However, when compared with the group treated with alcohol alone, all the other groups showed a significant decrease (p < 0.05) in testicular malondialdehyde level. Serum testosterone levels increased significantly (p < 0.05) in rats treated with virgin coconut oil when compared with the alcohol-only treated group, while serum FSH and LH levels were not significantly different from the control values in all the treatment groups. Virgin coconut oil effectively lowered alcohol-induced oxidative stress by reducing testicular malondialdehyde levels and ameliorated the deleterious effect of alcohol on serum testosterone level, but showed no effect on serum FSH and LH levels.

ObjectiveThis study investigated the effects of D-ribose and L-cysteine on aluminum-induced testicular damage in male Sprague-Dawley rats.MethodA total number of thirty-five (35) adult male Sprague-Dawley rats were divided into four groups (AD). Group A (comprised five (5) rats) was designated the Control Group that received Physiological Saline; while groups B, C, and D (comprised ten (10) rats) were given 75 mg/kg, 150 mg/kg and 300 mg/kg of body weight of aluminum chloride respectively for 39 days. At day 40, the aluminum-treated groups were subdivided into sub-groups (B1, C1, D1) comprising of five (5) rats each, and 30 mg/kg body weight of Riboceine were administered for twenty (20) days. Groups B, C and D remained on the normal dosage of aluminum chloride for three more weeks (59 days).ResultsAndrological parameters (Sperm count, motility, morphology and testosterone) in the aluminum-treated Groups B and C showed no significant difference in their mean values when compared with their control counterparts, whereas there was a significant reduction in the andrological parameters in Group D rats when compared with the Control animals. Histoarchitecture of the testes "stain with H&E" of Group A, B and C rats appeared normal while Group D rats showed testicular damages with several abnormal seminiferous tubules with incomplete maturation of germinal cell layers and absence of spermatozoa in their lumen; Leydig cells appear hyperplastic. Group B1, C1 and D1 andrological and histological parameters appeared normal.ConclusionRiboceine treatment significantly attenuates aluminum-induced testicular toxicity in male Sprague-Dawley in rats.

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