Associations between interleukin-23 receptor polymorphisms and susceptibility to rheumatoid arthritis: a meta-analysis


The aim of this study was to determine whether interleukin-23 receptor (IL-23R) polymorphisms confer susceptibility to rheumatoid arthritis (RA). A meta-analysis was conducted on the associations between the IL-23R rs1343151, rs10489629, rs7517847, rs11209026, rs1004819, and rs2201841 polymorphisms and RA using (1) allele contrast, (2) the recessive model, (3) the dominant model, and (4) the additive model. A total of 13 studies from eight articles involving 10,016 RA patients and 11,967 controls were considered in the meta-analysis. Meta-analysis identified a significant association between RA and the A allele of the rs1343151 polymorphism in the overall population (OR = 1.110, 95 % CI = 1.056–1.168, p = 4.7 × 10−6). Stratification by ethnicity identified a significant association between this polymorphism and RA in Europeans (OR = 1.105, 95 % CI = 1.049–1.163, p = 1.4 × 10−5). An association was also found between RA and the A allele carrier of the rs1343151 polymorphism in Europeans (OR = 1.135, 95 % CI = 1.058–1.217, p = 4.0 × 10−5). Meta-analysis revealed a significant association between RA and the A allele of the rs10489629 polymorphism in the overall population (OR = 1.079, 95 % CI = 1.029–1.131, p = 0.002) and in Europeans (OR = 1.092, 95 % CI = 1.038–1.149, p = 0.001). Meta-analyses of recessive, dominant, and additive models showed the same pattern as the meta-analysis of the A allele of the rs10489629 polymorphism, that is, a significant association with RA in Europeans. However, no association was found between the IL-23R rs7517847, rs11209026, rs1004819, and rs2201841 polymorphisms and RA susceptibility. This meta-analysis shows that the IL-23R rs1343151 and rs10489629 polymorphisms are associated with the development of RA in Europeans. These findings suggest that the IL-23R genes confer susceptibility to RA in the European population, but further study of this association is required in other ethnic groups.

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This study was supported by the Korean Healthcare Technology R&D Project, Ministry for Health, Welfare and Family Affairs, Republic of Korea (Grant No. A102065).

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The authors have no financial or non-financial conflict of interest to declare.

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Correspondence to Young Ho Lee.

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Song, G.G., Bae, S., Choi, S.J. et al. Associations between interleukin-23 receptor polymorphisms and susceptibility to rheumatoid arthritis: a meta-analysis. Mol Biol Rep 39, 10655–10663 (2012).

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  • Rheumatoid arthritis
  • Interleukin-23R
  • Polymorphism
  • Meta-analysis