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Autor:
William C. Hunter
Publikováno v:
Cardiology Clinics. 18:443-457
Myocardial relaxation is governed by the interplay of two macromolecular systems: (1) myofilaments and (2) calcium extruding pumps/exchangers. In myocardium from failing hearts, both systems act more slowly than normal, and cause relaxation to decele
Publikováno v:
American Journal of Physiology-Heart and Circulatory Physiology. 260:H1013-H1024
We present a mechanical assay for estimating the time course of Ca2+ bound to low-affinity sites on troponin C (TnC) in twitching rabbit papillary muscle. The assay is based on a theoretical correlation between the rate of force redevelopment after d