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Rieder, F; Schleder, S; Wolf, A; Dirmeier, A; Strauch, U; Obermeier, F; Lopez, R; Spector, L; Fire, E; Yarden, J; Rogler, G; Dotan, N; Klebl, F (2010). Serum anti-glycan antibodies predict complicated Crohn's disease behavior: A cohort study. Inflammatory Bowel Diseases, 16(8):1367-1375.

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BACKGROUND:: A high proportion of patients with Crohn's disease (CD) over time develop complications like fistulae and strictures, requiring surgery. We tested a panel of antiglycan antibodies for predicting the occurrence of complications and CD-related surgery in an adult patient cohort. METHODS:: Serum samples of 149 CD patients of the German inflammatory bowel disease (IBD) network were tested for the presence of anti-laminarin IgA (Anti-L), anti-chitin IgA (Anti-C), anti-chitobioside IgA (ACCA), anti-laminaribioside IgG (ALCA), anti-mannobioside IgG (AMCA), and anti-Saccaromyces cerevisiae IgG (gASCA) carbohydrate antibodies by enzyme-linked immunosorbent assay (ELISA) (IBDX(R) panel, Glycominds, Lod, Israel) in a blinded fashion. Clinical data were available on occurrence of complicated disease or CD-related surgery as well as disease activity, onset, and location. RESULTS:: The median follow-up of the patients without any previous complication or surgery at time of sample procurement was 53.7 months. Overall, 26.3% developed a complication and 17.1% underwent CD-related surgery, respectively. Positivity for gASCA, AMCA, ACCA, and Anti-L alone or an increasing frequency of positive serum antibodies independently predicted a faster progression toward a more severe disease course. Once a complication or surgery had occurred only positivity for Anti-L or more than 3 markers out of the whole panel indicated progression to an additional surgery or complication. The antibody status of most patients remained stable over time. CONCLUSIONS:: This is the first study showing the clinical value of serum antiglycan antibodies for prediction of a more complicated disease course in adult patients with CD. (Inflamm Bowel Dis 2010).


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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Gastroenterology and Hepatology
Dewey Decimal Classification:610 Medicine & health
Date:August 2010
Deposited On:16 Mar 2010 10:11
Last Modified:05 Apr 2016 14:02
Publisher DOI:10.1002/ibd.21179
PubMed ID:20024902

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