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© Research
Publication : Oncogene

Cloning and characterization of a novel transcription factor involved in cellular proliferation arrest: PATF

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Oncogene - 01 Sep 2001

Crisanti P, Raguenez G, Blancher C, Neron B, Mamoune A, Omri B

Link to Pubmed [PMID] – 11571645

Oncogene 2001 Sep;20(39):5475-83

Cell cycle withdrawal involves several transcription factors such as E2Fs members that play a key role in cell growth control. Here we describe a novel putative bZIP transcription factor isolated from the retina and involved in neuronal proliferation arrest at the terminal differentiation: PATF (Proliferation Arrest Transcription Factor). We show that PATF associates with E2F4 protein and interacts with the E2F consensus site. PATF expression increases with establishment of quiescent state. Furthermore, the nuclear PATF localization like E2F4, depends on cell growth arrest. The decrease of PATF amount, using a retroviral antisense strategy, results in pursued neuroretina cell mitosis. Our results indicate that PATF could be a new molecular signal implicated in the final neuronal cell cycle withdrawal.

http://www.ncbi.nlm.nih.gov/pubmed/11571645