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The Gene Encoding Protocadherin 9 (PCDH9), a Novel Risk Factor for Major Depressive Disorder
Xiao, Xiao1; Zheng, Fanfan2; Chang, Hong1; Ma, Yina3; Yao, Yong-Gang1,4; Luo, Xiong-Jian1; Li, Ming1,4
Source PublicationNEUROPSYCHOPHARMACOLOGY
2018-04-01
Volume43Issue:5Pages:1128-1137
SubtypeArticle
AbstractGenomic analyses have identified only a handful of robust risk loci for major depressive disorder (MDD). In addition to the published genome-wide significant genes, it is believed that there are undiscovered 'treasures' underlying the current MDD genome-wide association studies (GWASs) and gene expression data sets, and digging into these data will allow better understanding of the illness and development of new therapeutic approaches. For this purpose, we performed a meta-analytic study combining three MDD GWAS data sets (23andMe, CONVERGE, and PGC), and then conducted independent replications of significant loci in two additional samples. The genome-wide significant variants then underwent explorative analyses on MDD-related phenotypes, cognitive function alterations, and gene expression in brains. In the discovery meta-analysis, a previously unidentified single-nucleotide polymorphism (SNP) rs9540720 in the PCDH9 gene was genome-wide significantly associated with MDD (p = 1.69 x 10(-8) in a total of 89 610 cases and 246 603 controls), and the association was further strengthened when additional replication samples were included (p = 1.20 x 10(-8) in a total of 136 115 cases and 355 275 controls). The risk SNP was also associated with multiple MDD-related phenotypes and cognitive function impairment in diverse samples. Intriguingly, the risk allele of rs9540720 predicted lower PCDH9 expression, consistent with the diagnostic analysis results that PCDH9 mRNA expression levels in the brain and peripheral blood tissues were reduced in MDD patients compared with healthy controls. These convergent lines of evidence suggest that PCDH9 is likely a novel risk gene for MDD. Our study highlights the necessity and importance of excavating the public data sets to explore risk genes for MDD, and this approach is also applicable to other complex diseases.
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1038/npp.2017.241
WOS KeywordGENOME-WIDE ASSOCIATION ; CONVERGENT FUNCTIONAL GENOMICS ; EDUCATIONAL-ATTAINMENT ; UNIPOLAR DEPRESSION ; SUSCEPTIBILITY LOCI ; PREFRONTAL CORTEX ; CHILDHOOD IQ ; EXPRESSION ; METAANALYSIS ; SCHIZOPHRENIA
Indexed BySCI
Language英语
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences(XDB13000000) ; CAS Pioneer Hundred Talents Program ; National Natural Science Foundation of China(81601176) ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences(XDB02020003) ; Bureau of Frontier Sciences and Education, Chinese Academy of Sciences(QYZDJ-SSW-SMC005) ; NIMH(NCT00001260 ; 900142)
WOS Research AreaNeurosciences & Neurology ; Pharmacology & Pharmacy ; Psychiatry
WOS SubjectNeurosciences ; Pharmacology & Pharmacy ; Psychiatry
WOS IDWOS:000427484600022
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/21989
Collection脑网络组研究中心
Affiliation1.Chinese Acad Sci & Yunnan Prov, Kunming Inst Zool, Key Lab Anim Models & Human Dis Mech, Kunming, Yunnan, Peoples R China
2.Chinese Acad Sci, Inst Automat, Brainnetome Ctr, Beijing, Peoples R China
3.Beijing Normal Univ, State Key Lab Cognit Neurosci & Learning, IDG McGovern Inst Brain Res, Beijing, Peoples R China
4.Chinese Acad Sci, Ctr Excellence Brain Sci & Intelligence Technol, Shanghai, Peoples R China
Recommended Citation
GB/T 7714
Xiao, Xiao,Zheng, Fanfan,Chang, Hong,et al. The Gene Encoding Protocadherin 9 (PCDH9), a Novel Risk Factor for Major Depressive Disorder[J]. NEUROPSYCHOPHARMACOLOGY,2018,43(5):1128-1137.
APA Xiao, Xiao.,Zheng, Fanfan.,Chang, Hong.,Ma, Yina.,Yao, Yong-Gang.,...&Li, Ming.(2018).The Gene Encoding Protocadherin 9 (PCDH9), a Novel Risk Factor for Major Depressive Disorder.NEUROPSYCHOPHARMACOLOGY,43(5),1128-1137.
MLA Xiao, Xiao,et al."The Gene Encoding Protocadherin 9 (PCDH9), a Novel Risk Factor for Major Depressive Disorder".NEUROPSYCHOPHARMACOLOGY 43.5(2018):1128-1137.
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