Ethanol Extract of Allium sativum Attenuates Testicular and Liver Toxicity Induced by 2,3,7,8-Tetrachlorodibenzo-p-Dioxin in Rats
2009
ABSTRACT The present study was carried out to investigate the protective role of garlic (Allium sativum) ethanol extract (GE) in 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-induced hepatic and testicular toxicity. A total of 60 male rats (Sprague-Dawley, weighing 200 ± 10 g) were divided into six equal groups. The normal control group (NC) received vehicle (intraperitoneally) and saline (perorally). A predetermined dosage of TCDD (40 μg/kg of body weight, i.p.) was administered to single TCDD-treated (TT) and test (GE) groups. GE was administered (perorally) at daily doses of 5 (GE5), 10 (GE10), 20 (GE 20), or 40 (GE40) mg/kg of body weight for 5 weeks, starting 1 week before the TCDD exposure. Decreases in body weight gain (P < .01) and testicular weight (P < .01) induced by TCDD were greatly attenuated by GE (P < .05–.01). TCDD-induced decreases in spermatogenesis-related panels—Johnsen's score, seminiferous tubular size, ratio of tubules with sperm, and sperm count/tubule—were greatly improved by GE tre...
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