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Inflamm Res. 2012 Jun;61(6):635-41. doi: 10.1007/s00011-012-0455-5. Epub 2012 Mar 9.

Associations between TNFAIP3 gene polymorphisms and rheumatoid arthritis: a meta-analysis.

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Division of Rheumatology, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea.



The aim of this study was to determine whether tumor necrosis factor alpha inducible protein 3 (TNFAIP3) polymorphisms confer susceptibility to rheumatoid arthritis (RA) in ethnically different populations.


The authors conducted meta-analyses on associations between the TNFAIP3 polymorphisms and RA susceptibility.


A total of ten comparative studies were included in this meta-analysis, which showed an association between the two allele of rs6920220 and RA in all study subjects [odds ratio (OR) 1.216, 95% confidence interval (CI) 1.166-1.269, p < 1.0 × 10(-9)]. The two allele of rs6920220 was also significantly associated with RA in Europeans only (OR 1.227, 95% CI 1.175-1.282, p < 1.0 × 10(-9)). Meta-analysis revealed no association between the two allele of the rs10499194 polymorphism and RA in Europeans, but a significant association was found in Asians (OR 1.254, 95% CI 1.101-1.429, p=6.7 × 10(-4)). Furthermore, an association was found between the two allele of rs2230926 and RA in all study subjects (OR 1.390, 95% CI 1.214-2.331, p=1.9 × 10(-6)).


This meta-analysis confirms that the TNFAIP3 polymorphisms are associated with RA susceptibility in different ethnic groups, namely, in Europeans for rs6920220 and in Asians for rs10499194.

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