Polymorphisms in the CTLA-4 gene and rheumatoid arthritis susceptibility: a meta-analysis.

Journal of Clinical Immunology
Xiaobo LiXingqiong Xiao

Abstract

The +49A/G polymorphism and CT60 polymorphism in the CTLA-4 gene have been extensively examined for the association with rheumatoid arthritis (RA); however, results of different studies have been inconclusive. The aim of this study is to comprehensively evaluate the genetic risks of +49A/G and CT60 polymorphisms in the CTLA-4 gene for RA. A meta-analysis was carried out to analyze the association of +49A/G and CT60 polymorphisms with RA risk. A total of 30 case-control studies in 20 articles were included in this meta-analysis. The results indicated that the variant G allele carriers (GG + GA) of +49A/G polymorphism had an 18% increased risk of RA when compared with the homozygote AA (odds ratio (OR) = 1.18, 95% confidence interval (CI): 1.04-1.34 for GG + AG vs. AA). In addition, the variant CT60 A allele carriers of CT60 polymorphism had a 14% decreased risk of RA when compared with the homozygote GG (OR = 0.86, 95%CI = 0.78-0.95 for AA + AG vs. GG). In the subgroup analysis by ethnicity, significant elevated RA risks were associated with +49G allele carriers in Asians, but not in Europeans. However, for CT60 polymorphism, significant decreased RA risks were associated with CT60 A allele carriers in Europeans, but not in Asia...Continue Reading

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Citations

Oct 26, 2013·Database : the Journal of Biological Databases and Curation·Yoko Nagai, Tadashi Imanishi
Aug 13, 2013·BioMed Research International·Adam AntczakEwa Brzeziańska
Sep 27, 2012·APMIS : Acta Pathologica, Microbiologica, Et Immunologica Scandinavica·Raivo UiboM Eric Gershwin
Apr 14, 2016·Proceedings of the National Academy of Sciences of the United States of America·Katrin KlockeKajsa Wing
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Apr 25, 2020·Frontiers in Immunology·Sophie SteinerCarmen Scheibenbogen
Sep 18, 2021·International Journal of Rheumatic Diseases·Worawit LouthrenooFujio Takeuchi

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