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Association Between a High-Risk Autism Locus on 5p14 and Social Communication Spectrum Phenotypes in the General Population

Pourcain, BS; Wang, K; Glessner, JT; Golding, J; Steer, C; Ring, SM; ... Smith, GD; + view all (2010) Association Between a High-Risk Autism Locus on 5p14 and Social Communication Spectrum Phenotypes in the General Population. AM J PSYCHIAT , 167 (11) 1364 - 1372. 10.1176/appi.ajp.2010.09121789.

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Abstract

Objective: Recent genome-wide analysis identified a genetic variant on 5p14.1 (rs4307059), which is associated with risk for autism spectrum disorder. This study investigated whether rs4307059 also operates as a quantitative trait locus underlying a broader autism phenotype in the general population, focusing specifically on the social communication aspect of the spectrum.Method: Study participants were 7,313 children from the Avon Longitudinal Study of Parents and Children. Single-trait and joint-trait genotype associations were investigated for 29 measures related to language and communication, verbal intelligence, social interaction, and behavioral adjustment, assessed between ages 3 and 12 years. Analyses were performed in one-sided or directed mode and adjusted for multiple testing, trait interrelatedness, and random genotype dropout.Results: Single phenotype analyses showed that an increased load of rs4307059 risk allele is associated with stereotyped conversation and lower pragmatic communication skills, as measured by the Children's Communication Checklist (at a mean age of 9.7 years). In addition a trend toward a higher frequency of identification of special educational needs (at a mean age of 11.8 years) was observed. Variation at rs4307059 was also associated with the phenotypic profile of studied traits. This joint signal was fully explained neither by single-trait associations nor by overall behavioral adjustment problems but suggested a combined effect, which manifested through multiple subthreshold social, communicative, and cognitive impairments.Conclusions: Our results suggest that common variation at 5p14.1 is associated with social communication spectrum phenotypes in the general population and support the role of rs4307059 as a quantitative trait locus for autism spectrum disorder. (Am J Psychiatry 2010; 167:1364-1372)

Type:Article
Title:Association Between a High-Risk Autism Locus on 5p14 and Social Communication Spectrum Phenotypes in the General Population
DOI:10.1176/appi.ajp.2010.09121789
Keywords:PERVASIVE DEVELOPMENTAL DISORDERS, GENOME-WIDE ASSOCIATION, SCREENING QUESTIONNAIRE, FAMILY-HISTORY, CHILDREN, TRAITS, PREVALENCE, ALSPAC, TWIN, CHILDHOOD
UCL classification:UCL > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute of Child Health > Department of Neurosciences and Mental Health > ICH - Behavioural and Brain Sciences
UCL > School of BEAMS > Faculty of Engineering Science > Electronic and Electrical Engineering

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