Published in
Elsevier, Journal of the American Academy of Child and Adolescent Psychiatry, 9(49), p. 906-920, 2010
DOI: 10.1016/j.jaac.2010.06.007
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Case-control genome-wide association study of attention-deficit/hyperactivity disorder
,
Michael Gill,
Lindsey Kent,
Peter Holmans,
Frank Middleton ,
Anita Thapar ,
Klaus-Peter Lesch,
Stephen V. Faraone ,
Mark Daly
and other authors.
Full text: Download
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. Thus additional genomewide association studies (GWAS) are needed. Method: We used case-control analyses of 896 cases with DSM-IV ADHD genotvped using the Affymetrix 5.0 array and 2,455 repository controls screened for psychotic and bipolar symptoms genotyped using Affymetrix 6.0 arrays. A consensus SNP set was imputed using BEAGLE 3.0, resulting in an analysis dataset of 1,033,244 SNPs. Data were analyzed using a generalized linear model. Results: No genomewide significant associations were found. The most significant results implicated the following genes: PRKG1, FLNC, TCERG1L, PPM1H, NXPH1, PPM1H, CDH13, HK1, and HKDC1. Conclusions: The current analyses are a useful addition to the present literature and will make a valuable contribution to future meta-analyses. The candidate gene findings are consistent with a prior meta-analysis in suggesting that the effects of ADHD risk variants must, individually, be very small and/or include multiple rare alleles. J. Am. Acad. Child Adolesc. Psychiatry, 2010;49(9):906-920.