CALCIUM ION REGULATION IN BARNACLE MUSCLE FIBERS AND ITS RELATION TO FORCE DEVELOPMENT
Author:
- 1 April 1978
- journal article
- review article
- Published by Wiley in Annals of the New York Academy of Sciences
- Vol. 307 (1) , 308-329
Abstract
It is possible to use the photoproteins aequorin and obelin within the slowly responding striated muscle films to provide both qualitative and quantitive information as to the nature of the calcium-dependent reactions for force development. It seems that these reactions are not in equilibrium with the Ca2+ during a transient response. In addition, these experiments suggest that kinetically at least two calciums are required per functional unit for force development and that this active site is competed for by Mg2+, H+, and K+ ions.Keywords
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