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Implications of Protein Post-Translational Modifications in IBD

Ehrentraut, Stefan F. SE, MD1; Colgan, Sean P. SC, PhD1

doi: 10.1002/ibd.22859
Basic Science Reviews

Abstract: In recent years our understanding of the pathogenesis of inflammatory bowel disease (IBD) has greatly increased. Hallmarks of IBD include loss of intestinal barrier function, increased cytokine production, and failed resolution of tissue damage. Lasting treatments are still lacking and, therefore, a better understanding of the underlying molecular mechanisms is necessary to design novel therapeutic approaches. Apart from transcriptional and posttranscriptional regulation of relevant genes, mammals have evolved a complex and efficient series of mechanisms to rapidly modify newly made proteins for the purposes of signaling and adaptation. These posttranslational protein modifications include, among others, phosphorylation, hydroxylation, neddylation, and cytokine cleavage by the inflammasome. This review focuses on our current understanding of posttranslational protein modifications with a particular focus on their relevance to IBD pathogenesis. (Inflamm Bowel Dis 2012;)

1 Department of Medicine and the Mucosal Inflammation Program, University of Colorado School of Medicine, Aurora, Colorado

Reprints: Stefan F. Ehrentraut, SE, MD, University of Colorado School of Medicine, 12700 East 19th Ave., MS B-146, Aurora, CO 80045


Received for publication 2 November 2011; Accepted 22 November 2011

Published online 4 January 2012 in Wiley Online Library (

Supported by a German Research Foundation (DFG) grant (EH 371/1-1) to S.E. and by National Institutes of Health Grants DK50189, HL60569, and by funding from the Crohn's and Colitis Foundation of America.

The authors are not aware of any affiliations, memberships, funding, or financial holdings that might be perceived as influencing the objectivity of this review.

© Crohn's & Colitis Foundation of America, Inc.
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