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|Title:||Potential role for the common cystic fibrosis δF508 mutation in Crohn's disease||Authors:||Bresso, F.
De Leone, A.
Inflammatory bowel disease
|Issue Date:||May-2007||Citation:||Bresso, F., Askling, J., Astegiano, M., Demarchi, B., Sapone, N., Rizzetto, M., Gionchetti, P., Lammers, K.M., De Leone, A., Riegler, G., Nimmo, E.R., Drummond, H., Noble, C., Torkvist, L., Ekbom, A., Zucchelli, M., Lofberg, R., Satsangi, J., Pettersson, S., D'Amato, M. (2007-05). Potential role for the common cystic fibrosis δF508 mutation in Crohn's disease. Inflammatory Bowel Diseases 13 (5) : 531-536. ScholarBank@NUS Repository. https://doi.org/10.1002/ibd.20067||Abstract:||Background: Inflammatory bowel disease (IBD) is an epithelial barrier disease that is thought to result from a dysregulated interaction with bacteria in the intestine of genetically predisposed individuals. The cystic fibrosis transmembrane conductance regulator (CFTR), which is mutated in the autosomal recessive disease cystic fibrosis, modulates gut permeability, mucus production, and epithelial interactions with bacteria. The cystic fibrosis ΔF508 mutation is commonly found in the general population and has been shown to result in a reduced number of CFTR molecules at the surface of epithelial cells. Given the important biological functions of CFTR in the intestine, we tested whether this mutation is of relevance to IBD. Methods: Using DNA heteroduplex analysis, we investigated the distribution of ΔF508 heterozygosity in 2568 subjects from three independent cohorts of Italian, Swedish, and Scottish IBD patients and controls. Results: In all three cohorts an association between ΔF508 and Crohn's disease (CD) was observed. Specifically, ΔF508 heterozygosity was markedly underrepresented in CD patients from Italy and Sweden (P = 0.021 and 0.027 versus controls, respectively), while stratification for disease location revealed an absence of ΔF508 carriers among Scottish CD patients with right-sided colitis (P = 0.023 versus all other locations). Conclusions: ΔF508 heterozygosity might exert a protective effect in CD. Copyright © 2006 Crohn's & Colitis Foundation of America, Inc.||Source Title:||Inflammatory Bowel Diseases||URI:||http://scholarbank.nus.edu.sg/handle/10635/107728||ISSN:||10780998||DOI:||10.1002/ibd.20067|
|Appears in Collections:||Staff Publications|
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