[The behavior of mixed function oxidases in the liver of the rat on the first day after ligation of the ductus choledochus].

H Putzki, B Reichert, B Leemhuis, L Muckle
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Abstract

The aim of this study was to investigate the activity of the mixed function oxidases in the liver of the rat during the first days of extrahepatic cholestasis. In particular, contradictory results of previous studies of the metabolism of type I- and type II-substrates should be examined. The activities of the aminopyrine demethylase, aniline hydroxylase and nitroanisole-O-desalkylase were measured in the liver microsomes after sham operation and on the first and third day after ligature of the common bile duct. On the first day of cholestasis both the metabolism of the type I-substrate (aminopyrine) and of the type II-substrates (aniline, nitroanisole) was significantly reduced. On the third day the metabolism of type II-substrates reached nearly normal levels, whereas the metabolism of aminopyrine was even further reduced. Contradictory results of previous studies seem to be due to different times of measurement.

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[胆总管结扎后第一天大鼠肝脏混合功能氧化酶的行为]。
本研究的目的是研究肝外胆汁淤积症大鼠肝脏中混合功能氧化酶的活性。特别是,应该检查先前关于I型和ii型底物代谢的相互矛盾的研究结果。测定假手术后及结扎胆总管后第1天、第3天肝微粒体中氨基吡啶去甲基化酶、苯胺羟化酶和硝基甲醚- o -脱盐酶的活性。在胆汁淤积的第一天,i型底物(氨基吡啶)和ii型底物(苯胺、硝基苯甲醚)的代谢均显著降低。第3天,ii型底物代谢接近正常水平,而氨基吡啶代谢进一步降低。以往研究结果的矛盾似乎是由于测量时间的不同。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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