A genome-wide association study identifies 6p21 as novel risk locus for dilated cardiomyopathy.

Meder, Benjamin, Ruehle, Frank, Weis, Tanja, Homuth, Georg, Keller, Andreas, Franke, Jennifer, Peil, Barbara, Bermejo, Justo Lorenzo, Frese, Karen, Huge, Andreas, Witten, Anika, Vogel, Britta, Haas, Jan, Voelker, Uwe, Ernst, Florian, Teumer, Alexander, Ehlermann, Philipp, Zugck, Christian, Friedrichs, Frauke, Kroemer, Heyo, Doerr, Marcus, Hoffmann, Wolfgang, Maisch, Bernhard, Pankuweit, Sabine, Ruppert, Volker, Scheffold, Thomas, Kuehl, Uwe, Schultheiss, Hans-Peter, Kreutz, Reinhold, Ertl, Georg, Angermann, Christiane, Charron, Philippe, Villard, Eric, Gary, Francoise, Isnard, Richard, Komajda, Michel, Lutz, Matthias, Meitinger, Thomas, Sinner, Moritz F., Wichmann, H. Erich, Krawczak, Michael, Ivandic, Boris, Weichenhan, Dieter, Gelbrich, Goetz, El-Mokhtari, Nour-Eddine, Schreiber, Stefan, Felix, Stephan B., Hasenfuss, Gerd, Pfeufer, Arne, Huebner, Norbert, Kaeaeb, Stefan, Arbustini, Eloisa, Rottbauer, Wolfgang, Frey, Norbert, Stoll, Monika and Katus, Hugo A. (2014) A genome-wide association study identifies 6p21 as novel risk locus for dilated cardiomyopathy. European Heart Journal, 35 (16). 1069-+.

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Abstract

Aims Dilated cardiomyopathy (DCM) is one of the leading causes for cardiac transplantations and accounts for up to one-third of all heart failure cases. Since extrinsic and monogenic causes explain only a fraction of all cases, common genetic variants are suspected to contribute to the pathogenesis of DCM, its age of onset, and clinical progression. By a large-scale case-control genome-wide association study we aimed here to identify novel genetic risk loci for DCM. Methods and reuslts Applying a three-staged study design, we analysed more than 4100 DCM cases and 7600 controls. We identified and successfully replicated multiple single nucleotide polymorphism on chromosome 6p21. In the combined analysis, the most significant association signal was obtained for rs9262636 (P = 4.90 x 10(-9)) located in HCG22, which could again be replicated in an independent cohort. Taking advantage of expression quantitative trait loci (eQTL) as molecular phenotypes, we identified rs9262636 as an eQTL for several closely located genes encoding class I and class II major histocompatibility complex heavy chain receptors. Conclusion The present study reveals a novel genetic susceptibility locus that clearly underlines the role of genetically driven, inflammatory processes in the pathogenesis of idiopathic DCM.

Document Type: Article
Additional Information: Times Cited: 4 Frey, Norbert/A-9695-2010; Krawczak, Michael/A-8964-2010 0 4
Research affiliation: Kiel University
OceanRep > The Future Ocean - Cluster of Excellence
ISSN: 0195-668X
Projects: Future Ocean
Date Deposited: 30 Mar 2015 12:34
Last Modified: 30 Mar 2015 12:34
URI: http://oceanrep.geomar.de/id/eprint/27822

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