期刊
ONCOGENE
卷 22, 期 46, 页码 7209-7217出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/sj.onc.1206804
关键词
E2F; Rb; biological pathways
资金
- NCI NIH HHS [CA 85839] Funding Source: Medline
The E2F family of transcription factors are critical regulators of the cell cycle and have also been implicated in apoptosis, development, DNA damage checkpoints, and differentiation. Retinoblastoma (Rb) proteins interact with E2F to regulate transcription, and several mechanisms have been proposed for Rb-E2F transcriptional regulation. We designed microarray-based experiments to characterize the relative contributions of each mechanism, and unexpectedly, we found that distinct functional gene groups show preference for one mechanism over the others. We propose that such a distribution may provide signaling specificity to enable regulatory proteins to turn on or off entire pathways that determine cell fate.
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