Although schizophrenia is a highly heritable disorder, its complex polygenic nature has impeded attempts to establish its genetic basis. This paper reports a genome-wide association study of more than 36,000 schizophrenia patients and 100,000 controls. The study identifies 128 independent associations in 108 loci, 83 of them new. Among them are many genes involved in glutamatergic neurotransmission, highlighting a potential therapeutic avenue. In addition, the results provide support for the hypothesized link between the immune system and schizophrenia.
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