Abstract:
:The genetic architecture of autism spectrum disorder involves the interplay of common and rare variants and their impact on hundreds of genes. Using exome sequencing, here we show that analysis of rare coding variation in 3,871 autism cases and 9,937 ancestry-matched or parental controls implicates 22 autosomal genes at a false discovery rate (FDR) < 0.05, plus a set of 107 autosomal genes strongly enriched for those likely to affect risk (FDR < 0.30). These 107 genes, which show unusual evolutionary constraint against mutations, incur de novo loss-of-function mutations in over 5% of autistic subjects. Many of the genes implicated encode proteins for synaptic formation, transcriptional regulation and chromatin-remodelling pathways. These include voltage-gated ion channels regulating the propagation of action potentials, pacemaking and excitability-transcription coupling, as well as histone-modifying enzymes and chromatin remodellers-most prominently those that mediate post-translational lysine methylation/demethylation modifications of histones.
journal_name
Naturejournal_title
Natureauthors
De Rubeis S,He X,Goldberg AP,Poultney CS,Samocha K,Cicek AE,Kou Y,Liu L,Fromer M,Walker S,Singh T,Klei L,Kosmicki J,Shih-Chen F,Aleksic B,Biscaldi M,Bolton PF,Brownfeld JM,Cai J,Campbell NG,Carracedo A,Chahrourdoi
10.1038/nature13772subject
Has Abstractpub_date
2014-11-13 00:00:00pages
209-15issue
7526eissn
0028-0836issn
1476-4687pii
nature13772journal_volume
515pub_type
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