4.7 Article

Multivariate alterations in insula-Medial prefrontal cortex linked to genetics in 12q24 in schizophrenia

Journal

PSYCHIATRY RESEARCH
Volume 306, Issue -, Pages -

Publisher

ELSEVIER IRELAND LTD
DOI: 10.1016/j.psychres.2021.114237

Keywords

Schizophrenia; QTL; Insula

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The study found that genes in the 12q24 region may partially explain brain alterations in schizophrenia patients, and may also be related to other psychiatric disorders and developmental disorders.
The direct effect of genetic variations on clinical phenotypes within schizophrenia (SZ) remains elusive. We examined the previously identified association of reduced gray matter concentration in the insula -medial prefrontal cortex and a quantitative trait locus located in 12q24 in a SZ dataset. The main analysis was performed on 1461 SNPs and 830 participants. The highest contributing SNPs were localized in five genes including TMEM119, which encodes a microglial marker, that is associated with neuroinflammation and Alzheimer's disease. The gene set in 12q4 may partially explain brain alterations in SZ, but they may also relate to other psychiatric and developmental disorders.

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