ABSTRACT:This study aimed at investigating the efficacy of vitamins (C and E), selenium and silymarin (an antioxidant complex from Silybum marianum) supplementation in reducing toxic effects of ethanol on liver weight and some blood parameters. Sixty male rabbits, individually housed in steel cages, were randomly divided into three groups. The first was a control group, the second received balanced diet and daily 20% (v/ v) ethyl alcohol in their drinking water, the third received the same diet and 20% (v/v) ethanol in their drinking water and treated with vitamin C (1 mg/100 g body weight, BW), vitamin E (1 mg/100 g BW), selenium (0.01 mg/ 100 g BW) and silymarin (1 mg/100 g body weight) by gastric tube daily. Five animals per group were slaughtered every two weeks and liver and blood samples were taken after 2, 4, 6 and 8 weeks of treatment. Ethanol decreased body weight of rabbits and induced hepatomegally and apoptotic DNA fragmentation in hepatocytes. Chronic alcohol consumption induced significant increases in serum glucose, triglycerides and cholesterol levels whereas serum total protein content decreased. Significant increases in serum ALT, AST, ALP and LDH activities were observed in ethanol-treated rabbits. The treatment of alcohol-abused animals with vitamins (C and E), selenium and silymarin enhanced significant improvement in the biochemical, physiological and molecular aspects indicating their protective effects against alcohol toxicity.
This study was carried out to evaluate the detoxifying effects of aqueous extract of Moringa Oleifera on sodium fluoride-induced neurotoxicity in male Wister rats. Design: Randomized controlled study. Animals: Forty rats Procedures: Rats were allocated into four equal groups (10 each). Basically, each group received the same basal diet for 30 days. The first group was not received additional treatment (negative control). However, the second group received 20 mg/kg b.wt sodium fluoride daily (positive control), the third group received sodium fluoride at a dose of 20 mg/kg b.wt and Moringa Oleifera at 300 mg/kg daily, and the fourth group received sodium fluoride at a dose of 20 mg/kg b.wt and Moringa Oleifera 500 mg/kg daily using a stomach tube. Results: Dopamine and serotonin were significantly increased in Moringa Oleifera treated rats at 300 and 500 mg/kg in comparison with rats treated with sodium fluoride, but the higher dose of M. Oleifera achieved the best result (1.23±0.13 vs. 0.31±0.013) and (2.95±0.019 vs. 0.91±0.016) respectively. TAC, SOD, catalase were significantly increased in Moringa Oleifera treated rats at 300 and 500 mg/kg in comparison with rats treated with sodium fluoride, versed with MDA significantly decreased in Moringa Oleifera treated rats Also, to improve the anatomical structure of the disease in the brain reduces heavy bleeding and neurodegenerative changes, and maintains normal nerve cells, improves antioxidant ability as a whole. Conclusion and clinical relevance:Collectively, our results indicate that Moringa Oleifera watery extract has a detoxifying effect on NaF induced neurotoxicity via improving neurotransmitters andantioxidant activity.
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