Article
Myostatin facilitates slow and inhibits fast myosin heavy chain expression during myogenic differentiation.
Biochemical and biophysical research communications - 14 Sept 2012
Wang Min, Yu Hui, Kim Yong Soo, Bidwell Christopher A, Kuang Shihuan
Abstract excerpt
Skeletal muscles in the limb and body trunk are composed of heterogeneous myofibers expressing different isoforms of myosin heavy chain (Myh), including type I (slow, Myh7), IIA (intermediate, Myh2), IIX (fast, Myh1), and IIB (very fast, Myh4). While the contraction force and speed of a muscle are known to be determined by the relative abundance of myofibers expressing each Myh isoform, it is unclear how specific...
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