Abstract
AbstractThe transmission of electrical impulses in nerve and muscle cells depends fundamentally on the operation of specific ion channels in their membranes. Recent technical advances in electrical recording from cell membranes have permitted the analysis of the properties of single ion channels and the measurement of gating currents. The results have revealed considerable complexities, in particular in the operation of voltage‐gated sodium channels, and in the relationships between the several open and closed states of the channels. An important new development is the cloning and analysis of the structural genes for the acetylcholine receptor and sodium channel protein, which promises to yield fresh insights into the functioning of these proteins.
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