Genome-wide association study identifies variants in the MHC class I, IL10, and IL23R-IL12RB2 regions associated with Behçet's disease

Elaine F Remmers, Fulya Cosan, Yohei Kirino, Michael J Ombrello, Neslihan Abaci, Colleen Satorius, Julie M Le, Barbara Yang, Benjamin D Korman, Aris Cakiris, Oznur Aglar, Zeliha Emrence, Hulya Azakli, Duran Ustek, Ilknur Tugal-Tutkun, Gulsen Akman-Demir, Wei Chen, Christopher I Amos, Michael B Dizon, Afet Akdag KoseGulsevim Azizlerli, Burak Erer, Oliver J Brand, Virginia G Kaklamani, Phaedon Kaklamanis, Eldad Ben-Chetrit, Miles Stanford, Farida Fortune, Marwen Ghabra, William E R Ollier, Young-Hun Cho, Dongsik Bang, John O'Shea, Graham R Wallace, Massimo Gadina, Daniel L Kastner, Ahmet Gül

Research output: Contribution to journalArticlepeer-review

460 Citations (Scopus)

Abstract

Behçet's disease is a genetically complex disease of unknown etiology characterized by recurrent inflammatory attacks affecting the orogenital mucosa, eyes and skin. We performed a genome-wide association study with 311,459 SNPs in 1,215 individuals with Behçet's disease (cases) and 1,278 healthy controls from Turkey. We confirmed the known association of Behçet's disease with HLA-B*51 and identified a second, independent association within the MHC Class I region. We also identified an association at IL10 (rs1518111, P = 1.88 x 10(-8)). Using a meta-analysis with an additional five cohorts from Turkey, the Middle East, Europe and Asia, comprising a total of 2,430 cases and 2,660 controls, we identified associations at IL10 (rs1518111, P = 3.54 x 10(-18), odds ratio = 1.45, 95% CI 1.34-1.58) and the IL23R-IL12RB2 locus (rs924080, P = 6.69 x 10(-9), OR = 1.28, 95% CI 1.18-1.39). The disease-associated IL10 variant (the rs1518111 A allele) was associated with diminished mRNA expression and low protein production.
Original languageEnglish
Pages (from-to)698-702
Number of pages5
JournalNature Genetics
Volume42
Issue number8
DOIs
Publication statusPublished - 2010

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