期刊
CELL CYCLE
卷 15, 期 23, 页码 3183-3190出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15384101.2016.1234551
关键词
cancer; cell cycle; development; differentiation; E2F; E2F4; RB; regeneration; stem cells
类别
资金
- NIH [R01 CA114102, F31 CA196220]
The E2F family of transcription factors is a key determinant of cell proliferation in response to extra- and intra-cellular signals. Within this family, E2F4 is a transcriptional repressor whose activity is critical to engage and maintain cell cycle arrest in G0/G1 in conjunction with members of the retinoblastoma (RB) family. However, recent observations challenge this paradigm and indicate that E2F4 has a multitude of functions in cells besides this cell cycle regulatory role, including in embryonic and adult stem cells, during regenerative processes, and in cancer. Some of these new functions are independent of the RB family and involve direct activation of target genes. Here we review the canonical functions of E2F4 and discuss recent evidence expanding the role of this transcription factor, with a focus on cell fate decisions in tissue homeostasis and regeneration.
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