Genome-wide association study of primary sclerosing cholangitis identifies new risk loci and quantifies the genetic relationship with inflammatory bowel disease.

Ji, Sun-Gou, Juran, Brian D, Mucha, Sören, Folseraas, Trine, Jostins, Luke, Melum, Espen, Kumasaka, Natsuhiko, Atkinson, Elizabeth J, Schlicht, Erik M, Liu, Jimmy Z, Shah, Tejas, Gutierrez-Achury, Javier, Boberg, Kirsten M, Bergquist, Annika, Vermeire, Severine, Eksteen, Bertus, Durie, Peter R, Farkkila, Martti, Müller, Tobias, Schramm, Christoph, Sterneck, Martina, Weismüller, Tobias J, Gotthardt, Daniel N, Ellinghaus, David, Braun, Felix, Teufel, Andreas, Laudes, Mattias, Lieb, Wolfgang, Jacobs, Gunnar, Beuers, Ulrich, Weersma, Rinse K, Wijmenga, Cisca, Marschall, Hanns-Ulrich, Milkiewicz, Piotr, Pares, Albert, Kontula, Kimmo, Chazouillères, Olivier, Invernizzi, Pietro, Goode, Elizabeth, Spiess, Kelly, Moore, Carmel, Sambrook, Jennifer, Ouwehand, Willem H, Roberts, David J, Danesh, John, Floreani, Annarosa, Gulamhusein, Aliya F, Eaton, John E, Schreiber, Stefan, Coltescu, Catalina, Bowlus, Christopher L, Luketic, Velimir A, Odin, Joseph A, Chopra, Kapil B, Kowdley, Kris V, Chalasani, Naga, Manns, Michael P, Srivastava, Brijesh, Mells, George, Sandford, Richard N, Alexander, Graeme, Gaffney, Daniel J, Chapman, Roger W, Hirschfield, Gideon M, de Andrade, Mariza, Rushbrook, Simon M, Franke, Andre, Karlsen, Tom H, Lazaridis, Konstantinos N and Anderson, Carl A (2016) Genome-wide association study of primary sclerosing cholangitis identifies new risk loci and quantifies the genetic relationship with inflammatory bowel disease. Nature Genetics, 49 (2). pp. 269-273. DOI 10.1038/ng.3745.

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Abstract

Primary sclerosing cholangitis (PSC) is a rare progressive disorder leading to bile duct destruction; ∼75% of patients have comorbid inflammatory bowel disease (IBD). We undertook the largest genome-wide association study of PSC (4,796 cases and 19,955 population controls) and identified four new genome-wide significant loci. The most associated SNP at one locus affects splicing and expression of UBASH3A, with the protective allele (C) predicted to cause nonstop-mediated mRNA decay and lower expression of UBASH3A. Further analyses based on common variants suggested that the genome-wide genetic correlation (rG) between PSC and ulcerative colitis (UC) (rG = 0.29) was significantly greater than that between PSC and Crohn's disease (CD) (rG = 0.04) (P = 2.55 × 10−15). UC and CD were genetically more similar to each other (rG = 0.56) than either was to PSC (P < 1.0 × 10−15). Our study represents a substantial advance in understanding of the genetics of PSC.

Document Type: Article
Research affiliation: Kiel University > Kiel Marine Science
OceanRep > The Future Ocean - Cluster of Excellence
Kiel University
Refereed: Yes
Open Access Journal?: Yes
DOI etc.: 10.1038/ng.3745
ISSN: 1061-4036
Date Deposited: 21 Dec 2017 11:45
Last Modified: 01 Feb 2019 15:00
URI: http://oceanrep.geomar.de/id/eprint/41065

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