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The E2F family of transcription factors regulates the expression of a number of genes whose products are involved in cell cycle control, DNA replication and apoptosis. We show here that E2F-1 binds in vivo the promoters of ASPP1 and ASPP2 genes, two activators of p53-mediated apoptosis, E2F-1, E2F-2 and E2F-3 all activate the isolated ASPP1 and ASPP2 promoters. Overexpression or deregulation of E2F-1 increased the expression levels of ASPP1 and ASPP2 mRNA and proteins. The identification of ASPP1 and ASPP2 genes as transcriptional targets of E2F provides another mechanism by which E2F cooperates with p53 to induce apoptosis.

Original publication

DOI

10.1038/sj.cdd.4401562

Type

Journal article

Journal

Cell Death Differ

Publication Date

04/2005

Volume

12

Pages

369 - 376

Keywords

Adaptor Proteins, Signal Transducing, Apoptosis Regulatory Proteins, Base Sequence, Carrier Proteins, Cell Cycle Proteins, DNA-Binding Proteins, E2F Transcription Factors, E2F1 Transcription Factor, E2F2 Transcription Factor, E2F3 Transcription Factor, Humans, Molecular Sequence Data, Promoter Regions, Genetic, RNA, Messenger, Transcription Factors