학술논문

Identification of common genetic risk variants for autism spectrum disorder
Document Type
article
Author
Source
Nature Genetics. 51(3)
Subject
Intellectual and Developmental Disabilities (IDD)
Human Genome
Pediatric
Brain Disorders
Autism
Biotechnology
Genetics
Mental Health
Prevention
2.3 Psychological
social and economic factors
Aetiology
2.1 Biological and endogenous factors
Mental health
Adolescent
Autism Spectrum Disorder
Case-Control Studies
Child
Child
Preschool
Denmark
Female
Genetic Predisposition to Disease
Genome-Wide Association Study
Humans
Male
Multifactorial Inheritance
Phenotype
Polymorphism
Single Nucleotide
Risk Factors
Autism Spectrum Disorder Working Group of the Psychiatric Genomics Consortium
BUPGEN
Major Depressive Disorder Working Group of the Psychiatric Genomics Consortium
23andMe Research Team
Biological Sciences
Medical and Health Sciences
Developmental Biology
Language
Abstract
Autism spectrum disorder (ASD) is a highly heritable and heterogeneous group of neurodevelopmental phenotypes diagnosed in more than 1% of children. Common genetic variants contribute substantially to ASD susceptibility, but to date no individual variants have been robustly associated with ASD. With a marked sample-size increase from a unique Danish population resource, we report a genome-wide association meta-analysis of 18,381 individuals with ASD and 27,969 controls that identified five genome-wide-significant loci. Leveraging GWAS results from three phenotypes with significantly overlapping genetic architectures (schizophrenia, major depression, and educational attainment), we identified seven additional loci shared with other traits at equally strict significance levels. Dissecting the polygenic architecture, we found both quantitative and qualitative polygenic heterogeneity across ASD subtypes. These results highlight biological insights, particularly relating to neuronal function and corticogenesis, and establish that GWAS performed at scale will be much more productive in the near term in ASD.