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Mannose-binding lectin level and deficiency is not associated with inflammatory bowel diseases, disease phenotype, serology profile, and NOD2/CARD15 genotype in a large Hungarian cohort.

Abstract：

:Mannose-binding lectin (MBL) is a major, soluble, pattern-recognition molecule and an important component of the innate host defense. The role of MBL in inflammatory bowel diseases (IBDs) is controversial. We determined the prevalence of MBL deficiency in a Hungarian IBD patients' cohort, and whether it is associated with the antimicrobial antibody formation or particular clinical manifestations. Nine hundred ninety IBD patients and 225 healthy subjects were investigated. Sera were assayed for MBL and a panel of antimicrobial antibodies (anti-OMP, anti-Saccharomyces cerevisiae antibodies, and antiglycans) by ELISA. TLR4 and NOD2/CARD15 variants were tested by polymerase chain reaction/restriction fragment length polymorphism. Median MBL level was not significantly different between IBDs (Crohn's disease [CD]: 929; ulcerative colitis [UC]: 810 ng/ml) and the control group (1027 ng/ml), as well as the prevalence of absolute MBL deficiency (<100 ng/ml) (CD: 15.0%, UC: 18.4%, controls: 15.6%). The presence of a low MBL level (<500 ng/ml) was not associated with any of the examined serologic markers, or their combinations. In addition, there was no association with the clinical presentation, disease course, or response to treatment. TLR4 variant genotype was more common in CD patients without MBL deficiency (11% vs. 1.7%, OR: 7.29, 95% CI: 1.08-53.9, p = 0.02). We failed to confirm any association between MBL deficiency and serologic marker positivity. MBL deficiency was not predictive for clinical phenotype or disease activity in IBDs.

journal_name

Hum Immunol

journal_title

Human immunology

authors

Papp M,Lakatos PL,Harsfalvi J,Farkas G,Palatka K,Udvardy M,Molnar T,Farkas K,Nagy F,Veres G,Lakatos L,Kovacs A,Dinya T,Kocsis AK,Papp J,Hungarian IBD Study Group.,Altorjay I

doi

10.1016/j.humimm.2010.01.012

subject

Has Abstract

pub_date

2010-04-01 00:00:00

pages

407-13

issue

eissn

0198-8859

issn

1879-1166

pii

S0198-8859(10)00013-3

journal_volume

pub_type

杂志文章

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Mannose-binding lectin level and deficiency is not associated with inflammatory bowel diseases, disease phenotype, serology profile, and NOD2/CARD15 genotype in a large Hungarian cohort.