期刊
ANNALS OF THE RHEUMATIC DISEASES
卷 69, 期 4, 页码 696-699出版社
BMJ PUBLISHING GROUP
DOI: 10.1136/ard.2008.106567
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类别
资金
- Dutch Arthritis Foundation
- Spanish Ministerio de Educacion y Ciencia [SAF2006-00398]
- Junta de Andalucia [CTS1180]
- European Community [018661]
- Dutch organisation for scientific research (NWO) as well as the Celiac Disease Consortium [918-66-620]
- Dutch government [BSIK03009]
Objectives The TRAF1-C5 locus has recently been identified as a genetic risk factor for rheumatoid arthritis (RA). Since genetic risk factors tend to overlap with several autoimmune diseases, a study was undertaken to investigate whether this region is associated with 1 diabetes (TID), celiac disease (CD), systemic sclerosis (SSc) and systemic lupus erythematosus (SLE). Methods The most consistently associated SNP, rs10818488, was genotyped in a total of 735 patients with T1D, 1049 with CD, 367 with SSc, 746 with SLE and 3494 ethnically- and geographically-matched healthy individuals. The replication sample set consisted of 99 patients with T1D, 272 with SLE and 482 healthy individuals from Crete. Results A significant association was detected between the rs10818488 A allele and T1D (OR 1.14, p=0.027) and SLE (OR 1.16, p=0.016), which was replicated in 99 patients with T1D, 272 with SLE and 482 controls from Crete (OR 1.64, p=0.002; OR 1.43, p=0.002, respectively). Joint analysis of all patients with T1D (N=961) and all patients with SLE (N=1018) compared with 3976 healthy individuals yielded an allelic common OR of 1.19 (p=0.002) and 1.22 (p=2.6x10(-4)), respectively. However, combining our dataset with the T1D sample set from the WTCCC resulted in a nonsignificant association (OR 1.06, p=0.087). In contrast, previously unpublished results from the SLEGEN study showed a significant association of the same allele (OR 1.19, p=0.0038) with an overall effect of 1.22 (p=1.02x10(-6)) in a total of 1577 patients with SLE and 4215 healthy individuals. Conclusion A significant association was found for the TRAF1-C5 locus in SLE, implying that this region lies in a pathway relevant to multiple autoimmune diseases.
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