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Current Drug Targets


ISSN (Print): 1389-4501
ISSN (Online): 1873-5592

Regulation of Foxo-Dependent Transcription by Post-Translational Modifications

Author(s): Marco Boccitto and Robert G. Kalb

Volume 12, Issue 9, 2011

Page: [1303 - 1310] Pages: 8

DOI: 10.2174/138945011796150316

Price: $65


The Forkhead Box O (Foxo) proteins represent an evolutionarily conserved family of transcription factors that play an important role in regulating processes including metabolism, longevity, and cell death/survival. How is it that a single transcription factor can initiate such divergent cellular responses? We will review the evidence that specific patterns of post-translational modifications play a key role in directing Foxo into various transcriptional readouts. This regulation appears to take on a two tiered regulatory model; with a group of well defined post-translational modifications regulating nuclear localization and transcriptional activity while a second set of modifications regulate the transcriptional specificity of Foxo

Keywords: Foxo, post-translational modifications, phosphorylation, acetylation, ubiquitination, Drosophila, Caenorhabditis, Nuclear localization sequence, DYRK1A, MST1, AMPK, SIRT1, MDM2, USP7

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