科研之友
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摘要
Aim of the present study was planned to determine the protective role of naringin in attenuating the toxicity Induced by nickel sulfate in rat liver In this investigation nickel sulfate (20 mg/kg body weight) was administered intraperitoneally for 20 days to induce toxicity Naringin was administered orally (20 40 and 80 mg/kg body weight) for 20 days with intraperitoneal administration of nickel sulfate Liver injury was measured by the increased activities of serum hepatic enzymes namely aspartate transaminase alanine transaminase alkaline phosphatase gamma glutamyl transferase lactate dehydrogenase and total bilirubin along with increased elevation of lipid peroxidation markers thiobarbituric reactive acid substances lipid hydroperoxides protein carbonyl content and conjugated dienes The toxic effect of nickel was also indicated by significantly decreased activities of enzymatic antioxidants like superoxide dismutase catalase glutathione peroxidase glutathione-S transferase glutathione reductase and glucose-6-phosphate dehydro genase and non-enzymatic antioxidants like reduced glutathione total sulfhydryl groups vitamin C and vitamin E levels were significantly decreased Naringin administered at a dose of 80 mg/kg body weight significantly reversed the activities of hepatic marker enzymes decreasing lipid peroxidative markers increasing the antioxidant cascade and decreasing the nickel concentration in the liver The effect at a dose of 80 mg/kg body weight was more pronounced than that of other two doses (20 and 40 mg/kg body weight) All these changes were
- 出版日期2011-1-10
