Authors
Masaki Takeuchi, Nobuhisa Mizuki, Akira Meguro, Michael J Ombrello, Yohei Kirino, Colleen Satorius, Julie Le, Mary Blake, Burak Erer, Tatsukata Kawagoe, Duran Ustek, Ilknur Tugal-Tutkun, Emire Seyahi, Yilmaz Ozyazgan, Ines Sousa, Fereydoun Davatchi, Vania Francisco, Farhad Shahram, Bahar Sadeghi Abdollahi, Abdolhadi Nadji, Niloofar Mojarad Shafiee, Fahmida Ghaderibarmi, Shigeaki Ohno, Atsuhisa Ueda, Yoshiaki Ishigatsubo, Massimo Gadina, Sofia A Oliveira, Ahmet Gül, Daniel L Kastner, Elaine F Remmers
Publication date
2017/3
Journal
Nature genetics
Volume
49
Issue
3
Pages
438-443
Publisher
Nature Publishing Group US
Description
We analyzed 1,900 Turkish Behçet's disease cases and 1,779 controls genotyped with the Immunochip. The most significantly associated SNP was rs1050502, a tag SNP for HLA-B*51. In the Turkish discovery set, we identified three new risk loci, IL1A–IL1B, IRF8, and CEBPB–PTPN1, with genome-wide significance (P < 5 × 10−8) by direct genotyping and ADO–EGR2 by imputation. We replicated the ADO–EGR2, IRF8, and CEBPB–PTPN1 loci by genotyping 969 Iranian cases and 826 controls. Imputed data in 608 Japanese cases and 737 controls further replicated ADO–EGR2 and IRF8, and meta-analysis additionally identified RIPK2 and LACC1. The disease-associated allele of rs4402765, the lead marker at IL1A–IL1B, was associated with both decreased IL-1α and increased IL-1β production. ABO non-secretor genotypes for two ancestry-specific FUT2 SNPs showed strong disease association (P = 5.89 × 10 …
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