Role of lipid peroxides, glutathione and antiperoxidative enzymes in alcohol and drug toxicity.
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1993-05-01
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Ethanol administration to rats for 30 days and 90 days followed by paracetamol administration resulted in liver injury indicated by the significant increase in the serum GOT and GPT levels. The ethanol treatment to rats and the administration of paracetamol to the normal and alcoholic rats also caused a significant increase in the activity of serum acid and alkaline phosphatase. The hepatotoxicity of ethanol and paracetamol were indicated by the histological alterations in this study. The content of lipid peroxidation products-malondialdehyde, hydroperoxides and conjugated dienes were increased in the liver, heart, kidney and brain of the acute and chronic ethanol treated and paracetamol treated rats. The activities of the antiperoxidative enzymes-SOD and catalase decreased in the ethanol and paracetamol treated rats. The changes in the activities of the antiperoxidative enzymes in alcoholism and drug toxicity suggests increased peroxidation, increased synthesis of ecosonoids and increased damage to the tissues. The glutathione levels were decreased in the rats administered ethanol for 30 days, while the glutathione levels increased in the 90 days ethanol treated rats. The paracetamol treatment caused a decrease in the glutathione levels in the normals and the ethanol treated rats.
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Jaya DS, Augstine J, Menon VP. Role of lipid peroxides, glutathione and antiperoxidative enzymes in alcohol and drug toxicity. Indian Journal of Experimental Biology. 1993 May; 31(5): 453-9