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肾脏磷酸烯醇丙酮酸羧激酶。亚细胞分布及对酸碱变化的反应

Phosphoenolpyruvate carboxykinase of kidney. Subcellular distribution and response to acid-base changes.

作者信息

Flores H, Alleyne G A

出版信息

Biochem J. 1971 Jun;123(1):35-9. doi: 10.1042/bj1230035.

Abstract
  1. A method for the assay of phosphoenolpyruvate carboxykinase is presented, based on the enzymic determination of the phosphoenolpyruvate produced by the enzyme reaction. 2. The subcellular distribution of phosphoenolpyruvate carboxykinase in the kidney of several animal species resembled the distribution in the liver. 3. The rise in enzyme activity in the kidney cortex of rats made acidotic by feeding with ammonium chloride was not prevented by administration of ethionine or actinomycin. 4. The possibility is suggested that in the kidney acidosis causes activation of an inactive form of the enzyme already present.
摘要
  1. 本文介绍了一种基于酶促测定酶反应产生的磷酸烯醇丙酮酸来测定磷酸烯醇丙酮酸羧激酶的方法。2. 几种动物肾脏中磷酸烯醇丙酮酸羧激酶的亚细胞分布与肝脏中的分布相似。3. 通过喂食氯化铵使大鼠发生酸中毒时,其肾皮质中酶活性的升高不受乙硫氨酸或放线菌素的影响。4. 这表明在肾脏中,酸中毒可能导致已存在的无活性形式的酶被激活。

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