Positive regulation of skeletal myogenesis by R-Ras.

Abstract excerpt

Most of the proteins in the Ras-family proteins, including Ras, Rap and TC21, have been reported to be strong inhibitors of skeletal myogenesis. Here we show that R-Ras, another member of this family, promotes terminal differentiation of C2C12 skeletal myoblasts. In contrast to Ras, which induced a markedly transformed phenotype of C2C12 cells, an activated mutant of R-Ras (R-RasQ87L) did not exhibit any...

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