作者: R J Wright , E H Cook , L S Wakschlag , E O Kistner , D S Pine
DOI: 10.1038/MP.2009.22
关键词: Genetic predisposition 、 Cohort 、 Monoamine oxidase A 、 Genotype 、 Psychology 、 Conduct disorder 、 Variable number tandem repeat 、 Attribution bias 、 Pregnancy 、 Genetics
摘要: Genetic susceptibility to antisocial behavior may increase fetal sensitivity prenatal exposure cigarette smoke. Testing putative gene × mechanisms requires precise measurement of and outcomes. We tested whether a functional polymorphism in the encoding enzyme monoamine oxidase A (MAOA) interacts with predict pathways adolescent behavior. assessed both clinical information-processing One hundred seventy-six adolescents their mothers participated follow-up pregnancy cohort well-characterized exposure. sex-specific pattern interaction was detected. Exposed boys low-activity MAOA 5′ uVNTR (untranslated region variable number tandem repeats) genotype were at increased risk for conduct disorder (CD) symptoms. In contrast, exposed girls high-activity CD symptoms hostile attribution bias on face-processing task. There no evidence gene–environment correlation (rGE). Findings suggest that genotype, cigarettes sex interact related patterns. Future research replicate extend these findings should focus elucidating how interactions shape through associated changes brain function.