Biological insights from 108 schizophrenia-associated genetic loci

Schizophrenia Working Group of the Psychiatric Genomics Consortium, Francis O'Neill

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3615 Citations (Scopus)

Abstract

Schizophrenia is a highly heritable disorder. Genetic risk is conferred by a large number of alleles, including common alleles of small effect that might be detected by genome-wide association studies. Here we report a multi-stage schizophrenia genome-wide association study of up to 36,989 cases and 113,075 controls. We identify 128 independent associations spanning 108 conservatively defined loci that meet genome-wide significance, 83 of which have not been previously reported. Associations were enriched among genes expressed in brain, providing biological plausibility for the findings. Many findings have the potential to provide entirely new insights into aetiology, but associations at DRD2 and several genes involved in glutamatergic neurotransmission highlight molecules of known and potential therapeutic relevance to schizophrenia, and are consistent with leading pathophysiological hypotheses. Independent of genes expressed in brain, associations were enriched among genes expressed in tissues that have important roles in immunity, providing support for the speculated link between the immune system and schizophrenia.
Original languageEnglish
Pages (from-to)421-427
Number of pages7
JournalNature
Volume511
Issue number7510
Early online date22 Jul 2014
DOIs
Publication statusPublished - 24 Jul 2014

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    Schizophrenia Working Group of the Psychiatric Genomics Consortium, & O'Neill, F. (2014). Biological insights from 108 schizophrenia-associated genetic loci. Nature, 511(7510), 421-427. https://doi.org/10.1038/nature13595