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Inflamm Bowel Dis. 2012 Jul;18(7):1378-88. doi: 10.1002/ibd.22859. Epub 2012 Jan 4.

Implications of protein post-translational modifications in IBD.

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  • 1Department of Medicine and Mucosal Inflammation Program, University of Colorado School of Medicine, Aurora, Colorado 80045, USA.


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.

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