Parent of origin effects in attention/deficit hyperacticvity disorder (ADHD): Analysis of data from the international multicenter ADHD genetics (IMAGE) program

R.J. Anney, Z. Hawi, K. Sheehan, A. Mulligan, C. Pinto, K Brookes, X. Xu, K. Zhou, B. Franke, J. Buitelaar, S.H. Vermeulen, T. Banaschewski, E.J.S. Sonuga-Barke, M. Thompson, J.A. Sergeant, P. Asherson, S.V. Faraone

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Abstract

Attention-deficit/hyperactivity disorder (ADHD) is typically characterized by inattention, excessive motor activity, impulsivity, and distractibility. Individuals with ADHD have significant impairment in family and peer relations, academic functioning, and show high co-morbidity with a wide range of psychiatric disorders including oppositional defiant disorder (ODD), conduct disorder (CD), anxiety disorder, depression, substance abuse, and pervasive developmental disorder (PDD). Family studies suggest that ADHD + CD represents a specific subtype of the ADHD disorder with familial risk factors only partly overlapping with those of ADHD alone. We performed a hypothesis-free analysis of the GAIN-ADHD sample to identify markers and genes important in the development of conduct problems in a European cohort of individuals with ADHD. Using the Family-Based Association Test (FBAT) package we examined three measures of conduct problems in 1,043,963 autosomal markers. This study is part of a series of exploratory analyses to identify candidate genes that may be important in ADHD and ADHD-related traits, such as conduct problems. We did not find genome-wide statistical significance (P < 5 × 10
Original languageEnglish
Pages (from-to)1369-1378
Number of pages6
JournalAmerican Journal of Medical Genetics Part B: Neuropsychiatric Genetics
Volume147B
Issue number8
DOIs
Publication statusPublished - 2008

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