| 7509413 |
Bainy AC, Arisi AC, Azzalis LA, Simizu K, Barros SB, Videla LA, Junqueira VB: Differential effects of short-term lindane administration on parameters related to oxidative stress in rat liver and erythrocytes. J Biochem Toxicol. 1993 Dec;8(4):187-94.
Parameters related to oxidative stress in rat liver and erythrocytes were studied after short-term administration (60 and 90 days) of 1000 ppm of lindane in the diet. Lindane induced an oxidative stress condition in the liver, which is related to an enhancement in microsomal NADPH-cytochrome c reductase and NADPH oxidase activities, superoxide radical formation and cytochrome P450 content, produced independently of the time of treatment. Also, decreased activities of glutathione peroxidase and catalase were concomitantly observed. Although these changes were paralleled by an increase in lipid peroxidation indices, such as production of thiobarbituric acid reactants and spontaneous chemiluminescence, no evidence of liver injury was obtained. Lindane treatment did not exert quantitatively important changes in the pro-oxidant/anti-oxidant status of the erythrocyte, with reduction in the red blood cell mass possibly reflecting actions of the insecticide on the erythropoietic process. |
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