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Toxicol Appl Pharmacol. 2007 Nov 1;224(3):360-8. Epub 2006 Dec 15.

The role of Forkhead-box Class O (FoxO) transcription factors in cancer: a target for the management of cancer.

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  • 1Department of Dermatology, University of Wisconsin, 1300 University Avenue, MSC25B, Madison, WI 53706, USA.

Abstract

Human Forkhead-Box Class O (FoxO) transcription factors are primarily regulated through the phosphoinositide-3-kinase (PI3k)-Akt pathway via phosphorylation and nuclear exclusion. Acetylation and ubiquitination represent another level of regulation for FoxO proteins and FoxO-regulated gene expression. FoxO factors can act as tumor suppressors; however, the loss of FoxO function leads to increased cellular survival and a predisposition to neoplasia, especially of epithelial cancers. Based on the critical role of FoxO signaling, this family of transcription factors appears to be a promising target for future drug discovery for epithelial cancers. This review describes mechanism of the regulation of FoxO proteins and their role in epithelial cancers. Based on the current knowledge and studies in the past decade, we suggest that the development of novel agents which specifically activate FoxO members could be useful in the prevention as well as treatment of cancer in general and epithelial cancers in particular.

PMID:
17275054
[PubMed - indexed for MEDLINE]
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