Cardiac sodium and calcium channels: a history of excitatory currents

被引:23
作者
Fozzard, HA [1 ]
机构
[1] Univ Chicago Hosp, Cardiac Electrophysiol Labs, Chicago, IL 60637 USA
关键词
D O I
10.1016/S0008-6363(02)00407-8
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
The entire concept of ion channels as molecular machines to gate ion traffic across the membrane has only recently been generally recognized, even though ion channels are found in almost all cells. Na+ and Ca2+ channels are the basis of excitability, and in the heart they generate the rhythm, coordinating and controling cardiac contraction. Dysfunction of ion channels results in arrhythmias that underlie 20-25% of deaths in the developed world, and some arrhythmias result directly from gene defects in ion channels. This is my personal perspective on the critical ideas and the pioneers in the field of cardiac Na+ and Ca2+ channels. (C) 2002 Elsevier Science BY All rights reserved.
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页码:1 / 8
页数:8
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