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Genes Dev. 2001 Feb 1;15(3):267-85.

E2Fs regulate the expression of genes involved in differentiation, development, proliferation, and apoptosis.

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  • 1Department of Experimental Oncology, European Institute of Oncology, 20141 Milan, Italy.


The retinoblastoma protein (pRB) and its two relatives, p107 and p130, regulate development and cell proliferation in part by inhibiting the activity of E2F-regulated promoters. We have used high-density oligonucleotide arrays to identify genes in which expression changed in response to activation of E2F1, E2F2, and E2F3. We show that the E2Fs control the expression of several genes that are involved in cell proliferation. We also show that the E2Fs regulate a number of genes involved in apoptosis, differentiation, and development. These results provide possible genetic explanations to the variety of phenotypes observed as a consequence of a deregulated pRB/E2F pathway.

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