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必需脂肪酸缺乏大鼠肝脏和肾脏中钠钾ATP酶单位增加。

Increase in Na+, K+ -ATPase enzyme units in liver and kidneys from essential fatty acid deficient rats.

作者信息

Lin M H, Romsos D R, Akera T, Leveille G A

出版信息

Experientia. 1979 Jun 15;35(6):735-6. doi: 10.1007/BF01968211.

DOI:10.1007/BF01968211
PMID:223871
Abstract

(3H)-Ouabain binding to liver and kidney preparations was utilized to estimate the number of Na+, K+-ATPase enzyme units in livers and kidneys from rats fed 2% corn oil supplemented or fat-free diets. The specific (3H)-ouabain binding in liver and kidney preparations from fatty acid deficient rats was increased approximately 40%, but the affinity of the binding sites for ouabain (Kd-value) remained unchanged. The increased concentration of Na+, K+-ATPase enzyme units observed in the essential fatty acid deficient rats may contribute to the reduced body fat accumulation and elevated heat production observed in these animals.

摘要

利用(3H)哇巴因与肝脏和肾脏制剂的结合来估计喂食2%玉米油补充饲料或无脂肪饲料的大鼠肝脏和肾脏中Na +,K + -ATP酶单位的数量。脂肪酸缺乏大鼠的肝脏和肾脏制剂中特异性(3H)哇巴因结合增加了约40%,但结合位点对哇巴因的亲和力(Kd值)保持不变。在必需脂肪酸缺乏的大鼠中观察到的Na +,K + -ATP酶单位浓度增加可能有助于这些动物体内脂肪积累减少和产热增加。

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引用本文的文献

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2
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本文引用的文献

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Increased metabolism in fat-deficiency: relation to dietary fat.
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Prostaglandin modification of membrane-bound enzyme activity: a possible mechanism of action?前列腺素对膜结合酶活性的修饰:一种可能的作用机制?
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Reconstitution of the sodium pump from protein and phosphatidylserine: features of ouabain binding.从蛋白质和磷脂酰丝氨酸重构钠泵:哇巴因结合的特征
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Biochemistry. 1976 Feb 24;15(4):892-7. doi: 10.1021/bi00649a026.