Meta-analysis of genome-wide association studies of attention-deficit/hyperactivity disorder

Neale, Benjamin M. and Medland, Sarah E. and Ripke, Stephan and Asherson, Philip and Franke, Barbara and Lesch, Klaus-Peter and Faraone, Stephen V. and Nguyen, Thuy Trang and Schäfer, Helmut and Holmans, Peter and Daly, Mark and Steinhausen, Hans-Christoph and Freitag, Christine and Reif, Andreas and Renner, Tobias J. and Romanos, Marcel and Romanos, Jasmin and Walitza, Susanne and Warnke, Andreas and Meyer, Jobst and Palmason, Haukur and Buitelaar, Jan and Vasquez, Alejandro Arias and Lambregts-Rommelse, Nanda and Gill, Michael and Anney, Richard J. L. and Langely, Kate and O'Donovan, Michael and Williams, Nigel and Owen, Michael and Thapar, Anita and Kent, Lindsey and Sergeant, Joseph and Roeyers, Herbert and Mick, Eric and Biederman, Joseph and Doyle, Alysa and Smalley, Susan and Loo, Sandra and Hakonarson, Hakon and Elia, Josephine and Todorov, Alexandre and Miranda, Ana and Mulas, Fernando and Ebstein, Richard P. and Rothenberger, Aribert and Banaschewski, Tobias and Oades, Robert D. and Sonuga-Barke, Edmund and McGough, James and Nisenbaum, Laura and Middleton, Frank and Hu, Xiaolan and Nelson, Stan and Psychiatric Gwas Consortium: Adhd Subgroup, . (2010) Meta-analysis of genome-wide association studies of attention-deficit/hyperactivity disorder. Journal of the American Academy of Child and Adolescent Psychiatry, 49 (9). pp. 884-897.

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Official URL: http://edoc.unibas.ch/dok/A5839885

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Abstract

OBJECTIVE: Although twin and family studies have shown attention-deficit/hyperactivity disorder (ADHD) to be highly heritable, genetic variants influencing the trait at a genome-wide significant level have yet to be identified. As prior genome-wide association studies (GWAS) have not yielded significant results, we conducted a meta-analysis of existing studies to boost statistical power. METHOD: We used data from four projects: a) the Children's Hospital of Philadelphia (CHOP); b) phase I of the International Multicenter ADHD Genetics project (IMAGE); c) phase II of IMAGE (IMAGE II); and d) the Pfizer-funded study from the University of California, Los Angeles, Washington University, and Massachusetts General Hospital (PUWMa). The final sample size consisted of 2,064 trios, 896 cases, and 2,455 controls. For each study, we imputed HapMap single nucleotide polymorphisms, computed association test statistics and transformed them to z-scores, and then combined weighted z-scores in a meta-analysis. RESULTS: No genome-wide significant associations were found, although an analysis of candidate genes suggests that they may be involved in the disorder. CONCLUSIONS: Given that ADHD is a highly heritable disorder, our negative results suggest that the effects of common ADHD risk variants must, individually, be very small or that other types of variants, e.g., rare ones, account for much of the disorder's heritability.

Faculties and Departments:	07 Faculty of Psychology > Departement Psychologie > Ehemalige Einheiten Psychologie > Clinical Child and Adolescent Psychology (Schneider)
UniBasel Contributors:	Steinhausen, Hans-Christoph
Item Type:	Article, refereed
Article Subtype:	Research Article
Publisher:	Elsevier
ISSN:	0890-8567
Note:	Publication type according to Uni Basel Research Database: Journal article
Related URLs:	Document
Identification Number:	pmid: 20732625
Last Modified:	06 Jun 2018 10:29
Deposited On:	08 Jun 2012 06:44

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