Molecular basis of epithelial Cl channels

Molecular basis of epithelial Cl channels
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上皮Cl通道的分子基础

DOI:
--
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发表时间:
1995
影响因子:
2.4
通讯作者:
T. Jentsch
T. Jentsch
中科院分区:
生物学4区
文献类型:
--
作者:
P. Fong;T. Jentsch

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结论 直到最近,氯离子通道的研究很大程度上还被忽视。对静息膜电位的稳定、体积和 pH 调节以及跨上皮转运等生理过程的兴趣为我们目前对氯离子通道的了解提供了动力。分子生物学技术已被证明有助于增加我们对上皮氯离子通道的了解,至少可以为功能数据提供结构基础。对氯离子通道几个家族结构的了解使我们能够通过结构操作探索功能问题,并得出对于更全面地了解氯离子通道在上皮细胞中的作用至关重要的答案。可以预期,大量新的氯离子通道,甚至可能是新的氯离子通道家族,将在未来几年内被克隆。一个主要的挑战是阐明它们在细胞、上皮和整个生物体中的功能。
ConclusionsUntil recently, the study of chloride channels largely has been neglected. Interest in physiological processes such as stabilization of resting membrane potential, volume and pH regulation, and transepithelial transport has provided the impetus for acquiring our present understanding of chloride channels. Molecular biological techniques have proven useful in increasing our understanding of epithelial chloride channels, at the very least by providing a structural basis for functional data. Knowledge of the structure of several families of chloride channels has provided us with the capability to probe functional questions via structural manipulations, and yielded answers essential to gaming a more complete perspective of the role of chloride channels in epithelia. It may be anticipated that a large number of new chloride channels, and maybe even new chloride channel families, will be cloned in the next few years. A major challenge will be to elucidate their functions in the cell, the epithelium, and the organism as a whole.
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