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人类红细胞载体介导的残余钾离子和钠离子转运

Carrier-mediated residual K+ and Na+ transport of human red blood cells.

作者信息

Denner K, Heinrich R, Bernhardt I

机构信息

Department of Biology, Humboldt University Berlin, Germany.

出版信息

J Membr Biol. 1993 Mar;132(2):137-45. doi: 10.1007/BF00239003.

DOI:10.1007/BF00239003
PMID:8496945
Abstract

Residual, i.e., (ouabain, bumetanide, and EGTA)-insensitive K+ and Na+ influxes as well as effluxes of human red blood cells are enhanced in isotonic solutions of low (NaCl + KCl) concentration using sucrose to maintain constant osmolarity. Various carrier models were tested to fit the experimental data of these fluxes simultaneously. The residual K+ and Na+ fluxes can be described on the basis of a carrier mechanism of competing substrates with modifier sites.

摘要

残余的,即(哇巴因、布美他尼和乙二醇双四乙酸)不敏感的钾离子和钠离子流入以及人类红细胞的流出,在使用蔗糖维持恒定渗透压的低(氯化钠 + 氯化钾)浓度等渗溶液中会增强。测试了各种载体模型以同时拟合这些通量的实验数据。残余的钾离子和钠离子通量可以基于具有修饰位点的竞争性底物的载体机制来描述。

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Carrier-mediated residual K+ and Na+ transport of human red blood cells.人类红细胞载体介导的残余钾离子和钠离子转运
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Activation of a novel organic solute transporter in mammalian red blood cells.哺乳动物红细胞中一种新型有机溶质转运体的激活。

本文引用的文献

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The cation permeability of erythrocytes in low ionic strength media of various tonicities.不同张力度的低离子强度介质中红细胞的阳离子通透性。
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POTENTIAL, IMPEDANCE, AND RECTIFICATION IN MEMBRANES.膜的电位、阻抗和整流。
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Studies on the permeability of erythrocytes: The effect of reducing the salt content of the medium surrounding the cell.红细胞通透性研究:降低细胞周围介质盐含量的影响。
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Chloride-activated passive potassium transport in human erythrocytes.人红细胞中氯离子激活的被动钾转运
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Influence of surface charge and transmembrane potential on rubidium-86 efflux of human red blood cells.表面电荷和跨膜电位对人红细胞铷-86外流的影响。
J Membr Biol. 1984;78(3):249-55. doi: 10.1007/BF01925972.
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Anion-dependent cation transport in erythrocytes.红细胞中阴离子依赖性阳离子转运
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[On the determination of the mineral content in erythrocytes].[关于红细胞中矿物质含量的测定]
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The passive permeability of the red blood cell in cations.红细胞对阳离子的被动通透性。
J Gen Physiol. 1966 Sep;50(1):171-88. doi: 10.1085/jgp.50.1.171.
10
Effect of the duration of loading lactose-treated red cells with cations on the rate of subsequent cation efflux.用阳离子加载乳糖处理的红细胞的持续时间对随后阳离子外流速率的影响。
J Physiol. 1965 Jul;179(1):54-94. doi: 10.1113/jphysiol.1965.sp007649.