Selective synthesis and degradation of slow skeletal myosin heavy chains in developing muscle fibers.

Abstract

During fetal development of fast skeletal muscles in the rat, three types of cells could be identified using a monoclonal antibody to slow skeletal muscle myosin heavy chain. Presumptive type I cells stained positive for slow forms of skeletal myosin heavy chain and a previously described protein of an apparent molecular weight of 100 KD, whereas… (More)

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