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Effect of taurine on ethanol-induced oxidative stress in mouse liver and kidney

The purpose of this study was to investigate the effect of alcohol exposure on liver and kidney antioxidant systems in taurine exhibition during different time periods. Mice were divided into groups: I – control; II – alcohol (2.5 g/kg b.w.); III – taurine (42.84 mg/kg b.w.); and IV – alcohol + taurine. Treatments were provided for 24 h, 14 days, and 56 days. In the liver and kidney of the alcohol group, antioxidant enzyme (superoxide dismutase, catalase, and glutathione peroxidase) activities, reduced glutathione (GSH), and malondialdehyde (MDA) levels were decreased, as compared to the control group in all time periods. Taurine was found to be effectively inhibiting oxidative action of alcohol and increasing all the tested parameters in the liver (after 24 h) and kidney (after 24 h and 14 days). Moreover, the positive effect of taurine administration on GSH and MDA levels persisted in the kidneys of mice exposed to alcohol for 56 days. In conclusion, alcohol administration led to a significant influence on antioxidant system in the liver and kidney, but simultaneous intake of taurine, along with ethanol, partly attenuated the antioxidant changes in these organs.