High-density genotyping of immune loci in Koreans and Europeans identifies eight new rheumatoid arthritis risk loci.

Kwangwoo Kim, So-Young Bang, Hye-Soon Lee, Soo-Kyung Cho, Chan-Bum Choi, Yoon-Kyoung Sung, Tae-Hwan Kim, Jae-Bum Jun, Dae Hyun Yoo, Young Mo Kang, Seong-Kyu Kim, Chang-Hee Suh, Seung-Cheol Shim, Shin-Seok Lee, Jisoo Lee, Won Tae Chung, Jung-Yoon Choe, Hyoung Doo Shin, Jong-Young Lee, Bok-Ghee HanSwapan K Nath, Steve Eyre, John Bowes, Dimitrios A Pappas, Joel M Kremer, Miguel A Gonzalez-Gay, Luis Rodriguez-Rodriguez, Lisbeth Arlestig, Yukinori Okada, Dorothée Diogo, Katherine P Liao, Elizabeth W Karlson, Soumya Raychaudhuri, Solbritt Rantapää-Dahlqvist, Javier Martin, Lars Klareskog, Leonid Padyukov, Peter K Gregersen, Jane Worthington, Jeffrey D Greenberg, Robert M Plenge, Sang-Cheol Bae

    Research output: Contribution to journalArticlepeer-review

    Abstract

    OBJECTIVE: A highly polygenic aetiology and high degree of allele-sharing between ancestries have been well elucidated in genetic studies of rheumatoid arthritis. Recently, the high-density genotyping array Immunochip for immune disease loci identified 14 new rheumatoid arthritis risk loci among individuals of European ancestry. Here, we aimed to identify new rheumatoid arthritis risk loci using Korean-specific Immunochip data. METHODS: We analysed Korean rheumatoid arthritis case-control samples using the Immunochip and genome-wide association studies (GWAS) array to search for new risk alleles of rheumatoid arthritis with anticitrullinated peptide antibodies. To increase power, we performed a meta-analysis of Korean data with previously published European Immunochip and GWAS data for a total sample size of 9299 Korean and 45 790 European case-control samples. RESULTS: We identified eight new rheumatoid arthritis susceptibility loci (TNFSF4, LBH, EOMES, ETS1-FLI1, COG6, RAD51B, UBASH3A and SYNGR1) that passed a genome-wide significance threshold (p
    Original languageEnglish
    Pages (from-to)e13
    JournalAnnals of the rheumatic diseases
    Volume74
    DOIs
    Publication statusPublished - 2015

    Keywords

    • Ant-CCP
    • Gene Polymorphism
    • Rheumatoid Arthritis

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