Article
The dopamine receptor D4 gene (DRD4) moderates family environmental effects on ADHD.
Journal of abnormal child psychology - 1 Jan 2011
Martel Michelle M, Nikolas Molly, Jernigan Katherine, Friderici Karen, Waldman Irwin, Nigg Joel T
Abstract excerpt
Attention-Deficit/Hyperactivity Disorder (ADHD) is a prime candidate for exploration of gene-by-environment interaction (i.e., G x E), particularly in relation to dopamine system genes, due to strong evidence that dopamine systems are dysregulated in the disorder. Using a G x E design, we examined whether the DRD4 promoter 120-bp tandem repeat polymorphism, previously associated with ADHD, moderated the effects...
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