Review
doi: 10.1007/BF01774031.
The mechanical hypothesis of excitation-contraction (EC) coupling in skeletal muscle
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- PMID: 1648106
- DOI: 10.1007/BF01774031
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Review
The mechanical hypothesis of excitation-contraction (EC) coupling in skeletal muscle
J Muscle Res Cell Motil.
1991 Apr.
Abstract
The mechanism of transmission in skeletal muscle EC coupling is still an open question. There is some indirect evidence in favour of the mechanical coupling hypothesis, deriving mostly from consideration of the structure of the Ca2+ release channel protein. A new functional approach is proposed, that consists in comparing the properties of the complete system--EC coupling in a skeletal muscle fibre--with those of the EC coupling molecules in bilayers. In this approach, those properties of the whole system that are not traceable to its constitutive molecules, are ascribed to the physiological interaction, and are expected to yield new information on the nature of this interaction.
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