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首页> 外文期刊>International Journal of Cell Biology >Band 3 Missense Mutations and Stomatocytosis: Insight into the Molecular Mechanism Responsible for Monovalent Cation Leak
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Band 3 Missense Mutations and Stomatocytosis: Insight into the Molecular Mechanism Responsible for Monovalent Cation Leak

机译:乐队3错义突变和造血作用:洞察负责单价阳离子泄漏的分子机制。

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摘要

Missense mutations in the erythroid band 3 protein (Anion Exchanger 1) have been associated with hereditary stomatocytosis. Features of cation leaky red cells combined with functional expression of the mutated protein led to the conclusion that the AE1 point mutations were responsible for Na~+ and K~+ leak through a conductive mechanism. A molecular mechanism explaining mutated AE1-linked stomatocytosis involves changes in AE1 transport properties that become leaky to Na~+ and K~+. However, another explanation suggests that point-mutated AE1 could regulate a cation leak through other transporters. This short paper intends to discuss these two alternatives.
机译:红系带3蛋白(阴离子交换剂1)的错义突变已与遗传性造血细胞增多症相关。阳离子渗漏红细胞的特征与突变蛋白的功能性表达相结合,得出的结论是,AE1点突变是通过传导机制导致Na〜+和K〜+渗漏的原因。解释突变的AE1连锁的胞吞作用的分子机制涉及到AE1转运特性的变化,这些变化变为Na〜+和K〜+的泄漏。但是,另一种解释表明,点突变AE1可以调节通过其他转运蛋白的阳离子泄漏。本短文旨在讨论这两种选择。

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