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链脲佐菌素诱导的慢性糖尿病对大鼠肝脏甘油脂质合成中某些酶活性的影响。

The effect of chronic diabetes, induced by streptozotocin, on the activities of some enzymes of glycerolipid synthesis in rat liver.

作者信息

Whiting P H, Bowley M, Sturton R G, Pritchard P H, Brindley D N, Hawthorne J N

出版信息

Biochem J. 1977 Nov 15;168(2):147-53. doi: 10.1042/bj1680147.

DOI:10.1042/bj1680147
PMID:202260
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1183746/
Abstract
  1. Rats were injected with a single dose of 35mg of streptozotocin/kg body wt. They exhibited a diabetes that was characterized by glycosuria, polyuria, polydipsia, hyperphagia, hyperglycaemia, increased concentrations of unesterified fatty acids, glycerol and triacylglycerols in the serum and an increased activity of glucose 6-phosphatase in the liver. 2. After 10 weeks the hepatic activities of the microsomal glycerol phosphate acyltransferase, phosphatidate phosphohydrolase, phosphatidate cytidylyltransferase, diacylglycerol acyltransferase, choline phosphotransferase, CDP-diacylglycerol--inositol phosphatidyltransferase and the soluble phosphatidate phosphohydrolase were measured. 3. The only significant changes were an increase in the activity of the soluble phosphatidate phosphohydrolase and a decrease in that of the CDP-diacylglycerol--inositol phosphatidyltransferase in the diabetic rats. 4. These results are discussed in relation to the control of glycerolipid synthesis.
摘要
  1. 给大鼠注射单剂量35毫克/千克体重的链脲佐菌素。它们出现了糖尿病,其特征为糖尿、多尿、多饮、食欲亢进、高血糖、血清中未酯化脂肪酸、甘油和三酰甘油浓度升高以及肝脏中葡萄糖6-磷酸酶活性增加。2. 10周后,测定微粒体甘油磷酸酰基转移酶、磷脂酸磷酸水解酶、磷脂酸胞苷酰转移酶、二酰甘油酰基转移酶、胆碱磷酸转移酶、CDP-二酰甘油 - 肌醇磷脂酰转移酶以及可溶性磷脂酸磷酸水解酶的肝脏活性。3. 唯一显著的变化是糖尿病大鼠中可溶性磷脂酸磷酸水解酶活性增加,而CDP-二酰甘油 - 肌醇磷脂酰转移酶活性降低。4. 结合甘油脂质合成的调控对这些结果进行了讨论。

相似文献

1
The effect of chronic diabetes, induced by streptozotocin, on the activities of some enzymes of glycerolipid synthesis in rat liver.链脲佐菌素诱导的慢性糖尿病对大鼠肝脏甘油脂质合成中某些酶活性的影响。
Biochem J. 1977 Nov 15;168(2):147-53. doi: 10.1042/bj1680147.
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