Genome-wide association and HLA fine-mapping studies identify risk loci and genetic pathways underlying allergic rhinitis

Johannes Waage, Marie Standl, John A. Curtin, Leon E. Jessen, Jonathan Thorsen, Chao Tian, Nathan Schoettler, Carlos Flores, Abdel Abdellaoui, Tarunveer S. Ahluwalia, Alexessander C. Alves, Andre F.S. Amaral, Josep M. Antó, Andreas Arnold, Amalia Barreto-Luis, Hansjörg Baurecht, Catharina E.M. van Beijsterveldt, Eugene R. Bleecker, Sílvia Bonàs-Guarch, Dorret I. BoomsmaSusanne Brix, Supinda Bunyavanich, Esteban G. Burchard, Zhanghua Chen, Ivan Curjuric, Adnan Custovic, Herman T. Den Dekker, Shyamali C. Dharmage, Julia Dmitrieva, Liesbeth Duijts, Markus J. Ege, W. James Gauderman, Michel Georges, Christian Gieger, Frank Gilliland, Raquel Granell, Hongsheng Gui, Torben Hansen*, Joachim Heinrich, John Henderson, Natalia Hernandez-Pacheco, Patrick Holt, Medea Imboden, Vincent W.V. Jaddoe, Marjo Riitta Jarvelin, Deborah L. Jarvis, Kamilla K. Jensen, Ingileif Jónsdóttir, Michael Kabesch, Jaakko Kaprio, The 23andMe Research Team, AAGC collaborators

*Corresponding author for this work

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Abstract

Allergic rhinitis is the most common clinical presentation of allergy, affecting 400 million people worldwide, with increasing incidence in westernized countries1,2. To elucidate the genetic architecture and understand the underlying disease mechanisms, we carried out a meta-analysis of allergic rhinitis in 59,762 cases and 152,358 controls of European ancestry and identified a total of 41 risk loci for allergic rhinitis, including 20 loci not previously associated with allergic rhinitis, which were confirmed in a replication phase of 60,720 cases and 618,527 controls. Functional annotation implicated genes involved in various immune pathways, and fine mapping of the HLA region suggested amino acid variants important for antigen binding. We further performed genome-wide association study (GWAS) analyses of allergic sensitization against inhalant allergens and nonallergic rhinitis, which suggested shared genetic mechanisms across rhinitis-related traits. Future studies of the identified loci and genes might identify novel targets for treatment and prevention of allergic rhinitis.

Original languageEnglish
JournalNature Genetics
Volume50
Issue number8
Pages (from-to)1072-1080
Number of pages9
ISSN1061-4036
DOIs
Publication statusPublished - 2018

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