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Authors :
Qingtuan, Meng
Kangli, Wang
Tonya, Brunetti
Yan, Xia
Chuan, Jiao
Rujia, Dai
Dominic, Fitzgerald
Amber, Thomas
Lindsey, Jay
Heather, Eckart
Kay, Grennan
Yuka, Imamura-Kawasawa
Mingfeng, Li
Nenad, Sestan
Kevin P, White
Chao, Chen
Chunyu, Liu
Source :
Science translational medicine. 10(472)
Publication Year :
2018

Abstract

A number of studies indicate that rare copy number variations (CNVs) contribute to the risk of schizophrenia (SCZ). Most of these studies have focused on protein-coding genes residing in the CNVs. Here, we investigated long non-coding RNAs (lncRNAs) within ten SCZ risk-associated CNV deletion regions (CNV-lncRNAs) and examined their potential contribution to SCZ risk. We used RNA-Seq transcriptomics data derived from postmortem brain tissue from control individuals without psychiatric disease as part of the PsychENCODE BrainGVEX and Developmental Capstone projects. We carried out weighted gene coexpression network analysis (WGCNA) to identify protein-coding genes coexpressed with CNV-lncRNAs in the human brain. We identified one neuronal function-related coexpression module shared by both data sets. This module contained a lncRNA within the 22q11.2 CNV region called DGCR5, which was identified as a hub gene. Protein-coding genes associated with SCZ GWAS signals, de novo mutations or differential expression were also contained in this neuronal module. Using DGCR5 knockdown and overexpression experiments in human neural progenitor cells derived from human induced pluripotent stem cells, we identified a potential role for DGCR5 in regulating certain SCZ-related genes.

Details

ISSN :
19466242
Volume :
10
Issue :
472
Database :
OpenAIRE
Journal :
Science translational medicine
Accession number :
edsair.pmid..........419bfdf3a5d0c5dd6daa005e5de6a90a