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Higher titers of anti-Saccharomyces cerevisiae antibodies IgA and IgG are associated with more aggressive phenotypes in Romanian patients with Crohn's disease.
MedLine Citation:
PMID:  22457858     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
BACKGROUND AND AIMS. Serological markers have been widely used for diagnostic purposes and disease stratification in inflammatory bowel diseases (IBD). The aim of this study was to investigate the seroprevalence and the correlations of anti-Saccharomyces cerevisiae antibodies (ASCA) titers with different clinical phenotypes in Romanian patients with Crohn's disease (CD). METHODS. The study included 107 CD and 86 ulcerative colitis (UC) patients from the Gastroenterology Departments of three University Hospitals, and 60 healthy subjects. ASCA IgA and IgG titers were determined using ELISA test. For CD patients the phenotype was established according to the Montreal classification. The differences in ASCA titers for different CD phenotypes were assessed using the Mann-Whitney U test. RESULTS. ASCA prevalence was 33.6% in CD group, 12.8% in UC group and 6.6% in the control group. Significantly higher IgA (p=0.05) and IgG (p=0.03) titers were found in patients from the Montreal A1+A2 groups (age at onset below 40) compared with the older patients (A3). Higher titers were found in patients with extensive ileo-colonic lesions (L3) and upper gastrointestinal tract involvement (L4) than in patients having only colonic disease (L2). Significantly higher IgA (p=0.03) and IgG (p=0.03) titers were observed in patients with stenosing (B2) and penetrating (B3) disease compared with the nonstricturing, nonpenetrating (B1) phenotype. No correlation between ASCA titers and disease duration was found. CONCLUSION. ASCA seropositivity in Romanian CD patients is lower than in Western Europe. Higher ASCA IgA and IgG titers are associated with a younger age at diagnosis and more aggressive phenotypes.
Authors:
Serban Gologan; Razvan Iacob; Carmen Preda; Roxana Vadan; Bogdan Cotruta; Ana-Maria Catuneanu; Speranta Iacob; Ileana Constantinescu; Liana Gheorghe; Silviu Iobagiu; Cristian Gheorghe; Mircea Diculescu
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of gastrointestinal and liver diseases : JGLD     Volume:  21     ISSN:  1842-1121     ISO Abbreviation:  J Gastrointestin Liver Dis     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-03-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101272825     Medline TA:  J Gastrointestin Liver Dis     Country:  Romania    
Other Details:
Languages:  eng     Pagination:  39-44     Citation Subset:  IM    
Affiliation:
Department of Gastroenterology and Hepatology, "Carol Davila" University of Medicine and Pharmacy, Bucharest, Romania; E-mail: mmdiculescu@yahoo.com.
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