Culturing satellite cells from living single muscle fiber explants

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Abstract
Conventional methods for isolating myogenic (satellite) cells are inadequate when only small quantities of muscle, the tissue in which satellite cells reside, are available. We have developed a tissue culture system that reliably permits isolation of intact, living, single muscle fibers with associated satellite cells from predominantly fast and slow muscles of rat and mouse; maintenance of the isolated fibers in vitro; dissociation, proliferation, and differentiation of satellite cells from each fiber; and removal of the fiber from culture for analysis.