Imputation of sequence variants for identification of genetic risks for Parkinson's disease: a meta-analysis of genome-wide association studies

Michael A. Nalls, Vincent Plagnol, Dena G. Hernandez, Manu Sharma, Una-Marie Sheerin, Mohamad Saad, Javier Simon-Sanchez, Claudia Schulte, Suzanne Lesage, Sigurlaug Sveinbjornsdottir, Sampath Arepalli, Roger Barker, Yoav Ben-Shlomo, Henk W. Berendse, Daniela Berg, Kailash Bhatia, Rob M. A. de Bie, Alessandro Biffi, Bas Bloem, Zoltan BochdanovitsMichael Bonin, Jose M. Bras, Kathrin Brockmann, Janet Brooks, David J. Burn, Gavin Charlesworth, Honglei Chen, Patrick F. Chinnery, Sean Chong, Carl E. Clarke, Mark R. Cookson, J. Mark Cooper, Jean Christophe Corvol, Carl Counsell, Philippe Damier, Jean-Francois Dartigues, Panos Deloukas, Guenther Deuschl, David T. Dexter, Karin D. van Dijk, Allissa Dillman, Frank Durif, Alexandra Duerr, Sarah Edkins, Jonathan R. Evans, Thomas Foltynie, Jianjun Gao, Michelle Gardner, J. Raphael Gibbs, Alison Goate, Emma Gray, Rita Guerreiro, Omar Gustafsson, Clare Harris, Jacobus J. van Hilten, Albert Hofman, Albert Hollenbeck, Janice Holton, Michele Hu, Xuemei Huang, Heiko Huber, Gavin Hudson, Sarah E. Hunt, Johanna Huttenlocher, Thomas Illig, Palmi V. Jonsson, Jean-Charles Lambert, Cordelia Langford, Andrew Lees, Peter Lichtner, Patricia Limousin, Grisel Lopez, Delia Lorenz, Alisdair McNeill, Catriona Moorby, Matthew Moore, Huw R. Morris, Karen E. Morrison, Ese Mudanohwo, Sean S. O'Sullivan, Justin Pearson, Joel S. Perlmutter, Hjoervar Petursson, Pierre Pollak, Bart Post, Simon Potter, Bernard Ravina, Tamas Revesz, Olaf Riess, Fernando Rivadeneira, Patrizia Rizzu, Mina Ryten, Stephen Sawcer, Anthony Schapira, Hans Scheffer, Karen Shaw, Ira Shoulson, Ellen Sidransky, Colin Smith, Chris C. A. Spencer, Hreinn Stefansson, Joanna D. Stockton, Amy Strange, Kevin Talbot, Carlie M. Tanner, Avazeh Tashakkori-Ghanbaria, Francois Tison, Daniah Trabzuni, Bryan J. Traynor, Andre G. Uitterlinden, Daan Velseboer, Marie Vidailhet, Robert Walker, Bart van de Warrenburg, Mirdhu Wickremaratchi, Nigel Williams, Caroline H. Williams-Gray, Sophie Winder-Rhodes, Kari Stefansson, Maria Martinez, John Hardy, Peter Heutink, Alexis Brice, Thomas Gasser, Andrew B. Singleton, Nicholas W. Wood, A. Durr

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Abstract

Background Genome-wide association studies (GWAS) for Parkinson's disease have linked two loci (MAPT and SNCA) to risk of Parkinson's disease. We aimed to identify novel risk loci for Parkinson's disease. Methods We did a meta-analysis of datasets from five Parkinson's disease GWAS from the USA and Europe to identify loci associated with Parkinson's disease (discovery phase). We then did replication analyses of significantly associated loci in an independent sample series. Estimates of population-attributable risk were calculated from estimates from the discovery and replication phases combined, and risk-profile estimates for loci identified in the discovery phase were calculated. Findings The discovery phase consisted of 5333 case and 12 019 control samples, with genotyped and imputed data at 7 689 524 SNPs. The replication phase consisted of 7053 case and 9007 control samples. We identified 11 loci that surpassed the threshold for genome-wide significance (p <5x10(-8)). Six were previously identified loci (MAPT, SNCA, HLA-DRB5, BSTI, GAK and LRRK2) and five were newly identified loci (ACMSD, STK39, MCCC1/LAMP3, SYT11, and CCDC62/HIP1R). The combined population-attributable risk was 60.3% (95% CI 43.7-69-3). In the risk-profile analysis, the odds ratio in the highest quintile of disease risk was 2.51 (95% CI 2.23-2.83) compared with 1.00 in the lowest quintile of disease risk. Interpretation These data provide an insight into the genetics of Parkinson's disease and the molecular cause of the disease and could provide future targets for therapies
Original languageEnglish
Pages (from-to)641-649
JournalLancet
Volume377
Issue number9766
DOIs
Publication statusPublished - 2011

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