Phenotypic differentiation without permanent cell-cycle arrest by skeletal myocytes with deregulated E2F-1.

Abstract excerpt

Skeletal muscle terminal differentiation includes expression of muscle cell-specific proteins and concomitant cell-cycle arrest. These two processes require functional retinoblastoma protein (RB). E2F-1 is an RB-associated transcriptional factor and an effector of RB in the regulation of G1 to S-phase transition. Here, we show that proper regulation of E2F-1 is crucial for differentiation-coupled cell-cycle...

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