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Michigan State University, East Lansing 48824
Abstract
Muscle differentiation and growth are accomplished by two fundamental sets of cellular processes, protein accretion and cell proliferation. This review is restricted to a discussion of the role of cell proliferation in the growth of muscle during prenatal and postnatal life. More specifically, the discussion is divided into three topic areas, which include the role of muscle precursor cell proliferation in prenatal and postnatal development and a review of factors that may be regulating the proliferation of myogenic cells. The proliferation of embryonic myogenic cells and their differentiation into multinucleated fibers, as well as the proliferation of myogenic cells in postnatal muscle (satellite cells) are major factors determining the ultimate mass of muscle that can be produced by an animal.
1 Michigan Agricultural Experiment Station Article No. 8826. This effort was supported in part by Michigan Agricultural Experiment Station Project Number 1280, 1182, 1241, 1265, 1299H; Biomedical Research Support Grants from the College of Agriculture and Natural Resources and the College of Osteopathic Medicine; and research grants from the Muscular Dystrophy Association and the Michigan Heart Association.
2 Department of Animal Husbandry.
4 Department of Food Science and Human Nutrition
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