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  • Title: Cellular and molecular signatures of muscle regeneration: current concepts and controversies in adult myogenesis.
    Author: Wagers AJ, Conboy IM.
    Journal: Cell; 2005 Sep 09; 122(5):659-67. PubMed ID: 16143100.
    Abstract:
    Adult skeletal muscle generates force in a controlled and directed manner through the contraction of highly specialized, postmitotic, multinucleated myofibers. Life-long muscle function relies on maintenance and regeneration of myofibers through a highly regulated process beginning with activation of normally quiescent muscle precursor cells and proceeding with formation of proliferating progenitors that fuse to generate differentiated myofibers. In this review, we describe the historical basis and current evidence for the identification of satellite cells as adult muscle stem cells, critically evaluate contributions of other cells to adult myogenesis, and summarize existing data regarding the origins, genetic markers, and molecular regulation of satellite cells in normal, diseased, and aged muscle.
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