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[大鼠一次性四氯化碳中毒后肝脏碳水化合物代谢酶活性的变化]

[Change in the enzymatic activity of liver carbohydrate metabolism after the one-time carbon tertrachloride poisoning of rats].

作者信息

Sorokin A S, Iakobson G S

出版信息

Vopr Med Khim. 1979 Jul-Aug;25(4):433-5.

PMID:473683
Abstract

Activity of gluconeogenesic enzymes was more distinctly decreased than the activity of glycolytic enzymes within 8 and 24 hrs after a single intoxication of rats with CCl4. Within 72 hrs the enzymatic activity of glycolysis and gluconeogenesis was similar but the activity of the enzymes participating in the hexose monophosphate shunt was 2-3-fold higher as compared with the patterns characteristic for the intact animals. Mechanisms of these alterations are discussed; they are apparently related to the change in hepatocyte population due to necrosis and regeneration as well as to localization of enzymes of gluconeogenesis in central part of liver lobule.

摘要

在大鼠单次四氯化碳中毒后的8小时和24小时内,糖异生酶的活性比糖酵解酶的活性下降得更明显。在72小时内,糖酵解和糖异生的酶活性相似,但参与磷酸戊糖途径的酶活性比正常动物的特征模式高2至3倍。文中讨论了这些变化的机制;它们显然与肝细胞因坏死和再生而导致的数量变化以及糖异生酶在肝小叶中央部分的定位有关。

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