Genome-wide association analysis identifies 30 new susceptibility loci for schizophrenia

A genome-wide association analysis using data from Chinese individuals combined with a transethnic meta-analysis of Psychiatry Genomics Consortium data identifies 30 new loci for schizophrenia. These analyses improve the fine-mapping of susceptibility loci and implicate multiple pathways in schizoph...

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Published in:Nature genetics Vol. 49; no. 11; pp. 1576 - 1583
Main Authors: Li, Zhiqiang, Chen, Jianhua, Yu, Hao, He, Lin, Xu, Yifeng, Zhang, Dai, Yi, Qizhong, Li, Changgui, Li, Xingwang, Shen, Jiawei, Song, Zhijian, Ji, Weidong, Wang, Meng, Zhou, Juan, Chen, Boyu, Liu, Yahui, Wang, Jiqiang, Wang, Peng, Yang, Ping, Wang, Qingzhong, Feng, Guoyin, Liu, Benxiu, Sun, Wensheng, Li, Baojie, He, Guang, Li, Weidong, Wan, Chunling, Xu, Qi, Li, Wenjin, Wen, Zujia, Liu, Ke, Huang, Fang, Ji, Jue, Ripke, Stephan, Yue, Weihua, Sullivan, Patrick F, O'Donovan, Michael C, Shi, Yongyong
Format: Journal Article
Language:English
Published: New York Nature Publishing Group US 01.11.2017
Nature Publishing Group
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ISSN:1061-4036, 1546-1718, 1546-1718
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Summary:A genome-wide association analysis using data from Chinese individuals combined with a transethnic meta-analysis of Psychiatry Genomics Consortium data identifies 30 new loci for schizophrenia. These analyses improve the fine-mapping of susceptibility loci and implicate multiple pathways in schizophrenia biology. We conducted a genome-wide association study (GWAS) with replication in 36,180 Chinese individuals and performed further transancestry meta-analyses with data from the Psychiatry Genomics Consortium (PGC2). Approximately 95% of the genome-wide significant (GWS) index alleles (or their proxies) from the PGC2 study were overrepresented in Chinese schizophrenia cases, including ∼50% that achieved nominal significance and ∼75% that continued to be GWS in the transancestry analysis. The Chinese-only analysis identified seven GWS loci; three of these also were GWS in the transancestry analyses, which identified 109 GWS loci, thus yielding a total of 113 GWS loci (30 novel) in at least one of these analyses. We observed improvements in the fine-mapping resolution at many susceptibility loci. Our results provide several lines of evidence supporting candidate genes at many loci and highlight some pathways for further research. Together, our findings provide novel insight into the genetic architecture and biological etiology of schizophrenia.
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ISSN:1061-4036
1546-1718
1546-1718
DOI:10.1038/ng.3973