Conditional Loss of Pten in Myogenic Progenitors Leads to Postnatal Skeletal Muscle Hypertrophy but Age-Dependent Exhaustion of Satellite Cells

Skeletal muscle stem cells (satellite cells [SCs]) are normally maintained in a quiescent (G0) state. Muscle injury not only activates SCs locally, but also alerts SCs in distant uninjured muscles via circulating factors. The resulting GAlert SCs are adapted to regenerative cues and regenerate injur...

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