Article (Scientific journals)
The role of the Toll receptor pathway in susceptibility to inflammatory bowel diseases
De Jager, P. L.; Franchimont, D.; Waliszewska, A. et al.
2007In Genes and Immunity, 8 (5), p. 387-397
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Keywords :
Toll-like receptor; inflammatory bowel disease; NFKB1; TLR4; TIRAP
Abstract :
[en] The intestinal flora has long been thought to play a role either in initiating or in exacerbating the inflammatory bowel diseases (IBD). Host defenses, such as those mediated by the Toll-like receptors (TLR), are critical to the host/pathogen interaction and have been implicated in IBD pathophysiology. To explore the association of genetic variation in TLR pathways with susceptibility to IBD, we performed a replication study and pooled analyses of the putative IBD risk alleles in NFKB1 and TLR4, and we performed a haplotype-based screen for association to IBD in the TLR genes and a selection of their adaptor and signaling molecules. Our genotyping of 1539 cases of IBD and pooled analysis of 4805 cases of IBD validates the published association of a TLR4 allele with risk of IBD (odds ratio (OR): 1.30, 95% confidence interval (CI): 1.15 - 1.48; P = 0.00017) and Crohn's disease (OR: 1.33, 95% CI: 1.16 - 1.54; P = 0.000035) but not ulcerative colitis. We also describe novel suggestive evidence that TIRAP (OR: 1.16, 95% CI: 1.04 - 1.30; P = 0.007) has a modest effect on risk of IBD. Our analysis, therefore, offers additional evidence that the TLR4 pathway - in this case, TLR4 and its signaling molecule TIRAP - plays a role in susceptibility to IBD.
Disciplines :
Genetics & genetic processes
Immunology & infectious disease
Author, co-author :
De Jager, P. L.
Franchimont, D.
Waliszewska, A.
Bitton, A.
Cohen, Atika ;  Université de Liège - ULiège > UER Opérations
Langelier, D.
Belaiche, Jacques ;  Université de Liège - ULiège > Département des sciences cliniques > Hépato-gastroentérologie
Vermeire, S.
Farwell, L.
Goris, A.
Libioulle, Cécile  ;  Université de Liège - ULiège > Génétique
Jani, N.
Dassopoulos, T.
Bromfield, G. P.
Dubois, Bernard ;  Centre Hospitalier Universitaire de Liège - CHU > Néphrologie
Cho, J. H.
Brant, S. R.
Duerr, R. H.
Yang, H.
Rotter, J. I.
Silverberg, M. S.
Steinhart, A. H.
Daly, M. J.
Podolsky, D. K.
Louis, Edouard  ;  Université de Liège - ULiège > Département des sciences cliniques > Hépato-gastroentérologie
Hafler, D. A.
Rioux, J. D.
More authors (17 more) Less
Language :
English
Title :
The role of the Toll receptor pathway in susceptibility to inflammatory bowel diseases
Publication date :
July 2007
Journal title :
Genes and Immunity
ISSN :
1466-4879
eISSN :
1476-5470
Publisher :
Nature Publishing Group, London, United Kingdom
Volume :
8
Issue :
5
Pages :
387-397
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 26 October 2009

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