Investigation of type 1 diabetes and coeliac disease susceptibility loci for association with juvenile idiopathic arthritis
Journal Title: | Annals of the Rheumatic Diseases 2010, Vol.69 (12), p.2169-2172 |
Main Author: | Hinks, Anne |
Other Authors: | Martin, Paul , Flynn, Edward , Eyre, Steve , Packham, Jon , Barton, Anne , Worthington, Jane , Thomson, Wendy |
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Publisher: | London: BMJ Publishing Group Ltd and European League Against Rheumatism |
ID: | ISSN: 0003-4967 |
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recordid: | cdi_pubmedcentral_primary_oai_pubmedcentral_nih_gov_3002762 |
title: | Investigation of type 1 diabetes and coeliac disease susceptibility loci for association with juvenile idiopathic arthritis |
format: | Article |
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ispartof: | Annals of the Rheumatic Diseases, 2010, Vol.69 (12), p.2169-2172 |
description: | Background There is strong evidence suggesting that juvenile idiopathic arthritis (JIA) shares many susceptibility loci with other autoimmune diseases. Objective To investigate variants robustly associated with type 1 diabetes (T1D) or coeliac disease (CD) for association with JIA. Methods Sixteen single-nucleotide polymorphisms (SNPs) already identified as susceptibility loci for T1D/CD were selected for genotyping in patients with JIA (n=1054) and healthy controls (n=3129). Genotype and allele frequencies were compared using the Cochrane–Armitage trend test implemented in PLINK. Results One SNP in the LPP gene, rs1464510, showed significant association with JIA (ptrend=0.002, OR=1.18, 95% CI 1.06 to 1.30). A second SNP, rs653178 in ATXN2, also showed nominal evidence for association with JIA (ptrend=0.02, OR=1.13, 95% CI 1.02 to 1.25). The SNP, rs17810546, in IL12A showed subtype-specific association with enthesitis-related arthritis (ERA) subtype (ptrend=0.005, OR=1.88, 95% CI 1.2 to 2.94). Conclusions Evidence for a novel JIA susceptibility locus, LPP, is presented. Association at the SH2B3/ATXN2 locus, previously reported to be associated with JIA in a US series, also supports this region as contributing to JIA susceptibility. In addition, a subtype-specific association of IL12A with ERA is identified. All findings will require validation in independent JIA cohorts. |
language: | eng |
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identifier: | ISSN: 0003-4967 |
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