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Biol Chem. 2007 Dec;388(12):1257-74.

FOXM1, a typical proliferation-associated transcription factor.

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1
Wissmannstr. 17, D-30173 Hannover, Germany. iwiwiwi@web.de

Abstract

FOXM1 is a typical proliferation-associated transcription factor: it stimulates proliferation by promoting S-phase entry as well as M-phase entry and is involved in proper execution of mitosis. Accordingly, FOXM1 regulates genes that control G1/S-transition, S-phase progression, G2/M-transition and M-phase progression. Consistently, its expression and its activity are antagonistically regulated by many important proliferation and anti-proliferation signals. Furthermore, FOXM1 is implicated in tumorigenesis and contributes to both tumor initiation and progression. In addition to its function as a conventional transcription factor, FOXM1 transactivates the human c-myc P1 and P2 promoters directly via their TATA-boxes by a new transactivation mechanism, which it also employs for transactivation of the human c-fos, hsp70 and histone H2B/a promoters. This review summarizes the current knowledge on FOXM1, in particular its two different transactivation mechanisms, the regulation of its transcriptional activity by proliferation versus anti-proliferation signals and its function in normal cell cycle progression and tumorigenesis.

PMID:
18020943
DOI:
10.1515/BC.2007.159
[Indexed for MEDLINE]

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