Muscle regeneration after imposed injury is better in younger than older mdx dystrophic mice.


The ability of a fast-twitch dystrophic muscle to regenerate was compared at two ages to control muscle regeneration. Myofiber growth, and the distribution of nuclei in fibers were used to characterize the muscle regeneration 3 and 6 weeks after injury. In control and mdx muscles, myosatellite cell proliferation was completed by 3 weeks after injury. Mdx… (More)


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