Shared molecular neuropathology across major psychiatric disorders parallels polygenic overlap

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Science  09 Feb 2018:
Vol. 359, Issue 6376, pp. 693-697
DOI: 10.1126/science.aad6469

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Genes overlap across psychiatric disease

Many genome-wide studies have examined genes associated with a range of neuropsychiatric disorders. However, the degree to which the genetic underpinnings of these diseases differ or overlap is unknown. Gandal et al. performed meta-analyses of transcriptomic studies covering five major psychiatric disorders and compared cases and controls to identify coexpressed gene modules. From this, they found that some psychiatric disorders share global gene expression patterns. This overlap in polygenic traits in neuropsychiatric disorders may allow for better diagnosis and treatment.

Science, this issue p. 693