Journal
REPRODUCTIVE BIOLOGY
Volume 12, Issue 2, Pages 171-181Publisher
INST ANIMAL REPRODUCTION FOOD RESEARCH
DOI: 10.1016/S1642-431X(12)60084-9
Keywords
rat; sodium arsenite; sperm number; vitamin E
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The aims of this study were to investigate the adverse effects of sodium arsenite on the reproductive system of male rats as well as to examine whether vitamin E is able to ameliorate these effects. Adult rats were divided into four groups: 1/ control, 2/ sodium arsenite (8 mg/kg/day), 3/ vitamin E (100 mg/kg/day), and 4/ sodium arsenite + vitamin E group. Treatments were administered orally by gavage for eight weeks. After treatment, body and left testis weights were recorded and the testis was used for the histological analysis. Left cauda epididymis was used to count sperm number. Body and testis weight did not differ among the groups (p>0.05). A significant decrease (p<0.001) in sperm number and mean diameter of seminiferous tubules as well as a significant increase (p<0.001) in the mean diameter of seminiferous tubules' lumen were found in sodium arsenite group compared to those of controls. Sodium arsenite did not affect the morphology and diameter of spermatogonial nucleus (p>0.05). In the sodium arsenite + vitamin E group, vitamin E ameliorated (p<0.001) the adverse effects of sodium arsenite on sperm number as well as the diameters of tubule and lumen. In addition, the treatment of rats with vitamin E alone significantly (p<0.001) increased the diameter of seminiferous tubules and significantly (p<0.001) decreased seminiferous tubules' lumen compared to the control group. Vitamin E appeared to ameliorate the adverse effects of sodium arsenite on epididymal sperm number and some morphometrical parameters of the adult rat testis. Reproductive Biology 2012 12 2: 171-181.
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