Abstract:
:Schizophrenia is a complex disorder caused by both genetic and environmental factors. Using 9,087 affected individuals, 12,171 controls and 915,354 imputed SNPs from the Schizophrenia Psychiatric Genome-Wide Association Study (GWAS) Consortium (PGC-SCZ), we estimate that 23% (s.e. = 1%) of variation in liability to schizophrenia is captured by SNPs. We show that a substantial proportion of this variation must be the result of common causal variants, that the variance explained by each chromosome is linearly related to its length (r = 0.89, P = 2.6 × 10(-8)), that the genetic basis of schizophrenia is the same in males and females, and that a disproportionate proportion of variation is attributable to a set of 2,725 genes expressed in the central nervous system (CNS; P = 7.6 × 10(-8)). These results are consistent with a polygenic genetic architecture and imply more individual SNP associations will be detected for this disease as sample size increases.
journal_name
Nat Genetjournal_title
Nature geneticsauthors
Lee SH,DeCandia TR,Ripke S,Yang J,Schizophrenia Psychiatric Genome-Wide Association Study Consortium (PGC-SCZ).,International Schizophrenia Consortium (ISC).,Molecular Genetics of Schizophrenia Collaboration (MGS).,Sullivan PF,Goddard MEdoi
10.1038/ng.1108subject
Has Abstractpub_date
2012-02-19 00:00:00pages
247-50issue
3eissn
1061-4036issn
1546-1718pii
ng.1108journal_volume
44pub_type
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