Lindane-induced liver oxidative stress.
The development of an oxidative stress condition in the liver by lindane intoxication is discussed as a possible hepatotoxic mechanism of the insecticide. Lindane is metabolized by liver microsomal enzymes to a variety of metabolites, which are susceptible of conjugation for proper elimination. In addition, the interaction of lindane with the liver tissue results in the induction of the microsomal cytochrome P-450 system, together with enhanced rates of superoxide radical generation and a significant increase in indicators of lipid peroxidation. Concomitantly, lindane intoxication induces a derangement of some antioxidant mechanisms of the liver cell, including decreased superoxide dismutase and catalase activities and alterations in reduced glutathione content leading to depressed GSH/GSSG ratios. The time course study of the changes in hepatic lipid peroxidation and antioxidant parameters are closely interrelated and coincide with the onset and progression of morphological lesions.[1]References
- Lindane-induced liver oxidative stress. Videla, L.A., Barros, S.B., Junqueira, V.B. Free Radic. Biol. Med. (1990) [Pubmed]
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