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[正常肾脏及急性肾功能不全时亚细胞结构中糖酵解关键酶的活性]

[Activity of glycolysis key enzymes in subcellular structures of normal kidneys and under acute renal insufficiency].

作者信息

Petrun' N M, Khomenko L A

出版信息

Ukr Biokhim Zh (1978). 1979 May-Jun;51(3):270-4.

PMID:223262
Abstract

The activity of key glycolysis enzymes (hexokinase, glucose-6-phosphatase, phosphofructokinase, fructose-diphosphatase and ketose-1-phosphate aldolase) in the kidney tissue and its subcellular structures was studied in normal rats and in rats with experimental acute renal insufficiency. It is established that considerable biochemical changes in the kidney tissues affecting all the elements of cellular structures occur under acute lesion of the kidneys. The activity of the enzymes under study under acute renal insufficiency lowers to a greater extent in those subcellular structures of the kidneys where they are mainly localized. The arising disturbances in permeability of the kidneys cellular membranes intensify the release of the mentioned enzymes to blood serum and urine, that in its turn disturbs the coordination of certain glycolysis stages.

摘要

在正常大鼠和实验性急性肾功能不全大鼠中,研究了肾组织及其亚细胞结构中关键糖酵解酶(己糖激酶、葡萄糖-6-磷酸酶、磷酸果糖激酶、果糖二磷酸酶和磷酸酮糖-1-磷酸醛缩酶)的活性。已确定,在肾脏急性损伤时,肾组织会发生显著的生化变化,影响细胞结构的所有成分。在急性肾功能不全时,所研究酶的活性在肾脏主要定位的那些亚细胞结构中降低幅度更大。肾脏细胞膜通透性出现的紊乱会加剧上述酶向血清和尿液中的释放,进而扰乱糖酵解某些阶段的协调。

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