Article
Inhibition of ryanodine receptor 1 in fast skeletal muscle fibers induces a fast-to-slow muscle fiber type transition.
Journal of cell science - 1 Dec 2004
Jordan Theresa, Jiang Hongbin, Li Hui, DiMario Joseph X
Abstract excerpt
Skeletal muscle fiber type is regulated by innervation-induced cell signaling including calcium release mechanisms that lead to transcriptional activation of fiber type-specific genes. Avian fast pectoralis major (PM) and slow medial adductor (MA) muscles differentially control expression of the slow myosin heavy chain 2 (slow MyHC2) gene. We report here that slow MyHC2 gene expression in fast PM muscle fibers is...
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