The IGF‐I splice variant MGF increases progenitor cells in ALS, dystrophic, and normal muscle

Abstract excerpt

The effects of muscle splice variants of insulin-like growth factor I (IGF-I) on proliferation and differentiation were studied in human primary muscle cell cultures from healthy subjects as well as from muscular dystrophy and ALS patients. Although the initial numbers of mononucleated progenitor cells expressing desmin were lower in diseased muscle, the E domain peptide of IGF-IEc (MGF) significantly increased...

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