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LEAD AND METHYL MERCURY: EFFECTS OF ACUTE EXPOSURE ON CYTOCHROME P-450 AND THE MIXED FUNCTION OXIDASE SYSTEM IN THE LIVER

机译:铅和甲基汞:急性接触对肝脏中细胞色素P-450和混合功能氧化酶系统的影响

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摘要

The rat liver mixed function oxidase system which is responsible for the metabolism of endogenous and exogenous compounds has been shown to be affected by lead and methyl mercury. Administration of these environmental pollutants to rats results in a decrease in cytochrome P-450 content and inhibition of in vitro N-demethylase and hydroxylase activities. The in vitro enzyme-inhibiting effects of the metals found pharmacological expression in the whole animal by prolongation of hexobarbital-induced sleeping times.
机译:已经证明负责内源性和外源性化合物代谢的大鼠肝脏混合功能氧化酶系统受铅和甲基汞的影响。向大鼠施用这些环境污染物会导致细胞色素P-450含量降低,并抑制体外N-脱甲基酶和羟化酶活性。这些金属的体外酶抑制作用通过延长己糖巴比妥诱导的睡眠时间在整个动物中得到了药理学表达。

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