Evolution of skeletal type e–c coupling
نویسندگان
چکیده
منابع مشابه
Evolution of skeletal type e–c coupling
The functional separation between skeletal and cardiac muscles, which occurs at the threshold between vertebrates and invertebrates, involves the evolution of separate contractile and control proteins for the two types of striated muscles, as well as separate mechanisms of contractile activation. The functional link between electrical excitation of the surface membrane and activation of the con...
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چکیده ندارد.
A CaV1.1 Ca2+ channel splice variant with high conductance and voltage-sensitivity alters EC coupling in developing skeletal muscle.
The Ca(2+) channel alpha(1S) subunit (Ca(V)1.1) is the voltage sensor in skeletal muscle excitation-contraction (EC) coupling. Upon membrane depolarization, this sensor rapidly triggers Ca(2+) release from internal stores and conducts a slowly activating Ca(2+) current. However, this Ca(2+) current is not essential for skeletal muscle EC coupling. Here, we identified a Ca(V)1.1 splice variant w...
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ژورنال
عنوان ژورنال: Journal of Cell Biology
سال: 2005
ISSN: 1540-8140,0021-9525
DOI: 10.1083/jcb.200503077