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A methylome-wide association study of trajectories of oppositional defiant behaviors and biological overlap with attention deficit hyperactivity disorder

Research output: Contribution to journalArticle

Edward Barker, Esther Walton, Charlotte Cecil, Sara Jaffee, Richard Rowe, Thomas G. O'Connor, Barbara Maughan, Argyris Stringaris, Alan Meehan, Wendy McArdle, Caroline Relton, Tom R. Gaunt

Original languageEnglish
JournalChild Development
Early online date20 Sep 2017
DOIs
Publication statusE-pub ahead of print - 20 Sep 2017

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Abstract

In 671 mother-child (49% male) pairs from an epidemiological birth cohort, we investigated (a) prospective associations between DNA methylation (at birth) and trajectories (ages 7 to 13) of oppositional defiant disorder (ODD), and the ODD sub-dimensions of Irritable and Headstrong; (b) common biological pathways, indexed by DNA methylation, between ODD trajectories and attention deficit hyperactivity (ADHD); (c) genetic influence on DNA methylation; and (d) prenatal risk exposure associations. Methylome-wide significant associations were identified for the ODD and Headstrong but not for Irritable. Overlap analysis indicated biological correlates between ODD, Headstrong and ADHD. DNA methylation in ODD and Headstrong was partially genetically influenced. DNA methylation associated with prenatal risk exposures of maternal anxiety (Headstrong) and cigarette smoking (ODD and Headstrong).

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