2011
DOI: 10.1016/j.jpsychires.2011.06.005
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A meta-analysis of two genome-wide association studies identifies 3 new loci for alcohol dependence

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Cited by 80 publications
(67 citation statements)
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References 57 publications
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“…In the present study, we found genome-wide significant association signals (po5 Â 10 À7 together with FDRo0.05) for AD for three genes (KIAA0040, SERINC2 and HTR1A) in EAs. Two of these genes, that is, KIAA0040 and HTR1A, were also among the top-ranked genes in EAs in the prior study (Bierut et al, 2010); in addition, KIAA0040 as a risk gene for AD was confirmed by another GWAS meta-analysis for SAGE, COGA, and an Australian family sample (Wang et al, 2011). However, this was not previously replicated in AAs and not confirmed by functional studies.…”
Section: Discussionmentioning
confidence: 88%
“…In the present study, we found genome-wide significant association signals (po5 Â 10 À7 together with FDRo0.05) for AD for three genes (KIAA0040, SERINC2 and HTR1A) in EAs. Two of these genes, that is, KIAA0040 and HTR1A, were also among the top-ranked genes in EAs in the prior study (Bierut et al, 2010); in addition, KIAA0040 as a risk gene for AD was confirmed by another GWAS meta-analysis for SAGE, COGA, and an Australian family sample (Wang et al, 2011). However, this was not previously replicated in AAs and not confirmed by functional studies.…”
Section: Discussionmentioning
confidence: 88%
“…html) was used to assess control genotype data for conformity with Hardy-Weinberg equilibrium (HWE). To deal with population stratification, the principal-component analysis approach (Price et al 2006) in HelixTree was used to identify outlier individuals in the COGA sample (Wang et al 2011). The logistic regression adjusted for age and sex was performed for AWS as a binary trait for the COGA sample using PLINK v1.07 (Purcell et al 2007).…”
Section: Genome-wide Association Analysismentioning
confidence: 99%
“…Bierut et al (2010) analyzed 1 M Illumina Human SNPs from The Study of Addiction: ''Genetics and Environment'' (SAGE), and identified 15 SNPs associated with AD (p \ 10 -5 ); meanwhile, Edenberg et al (2010) identified 199 SNPs (p B 2.1 9 10 -4 ) using a GWA analysis of the Collaborative Study on the Genetics of Alcoholism (COGA) sample and a cluster of genes on chromosome 11, and confirmed genes including CPE, DNASE2B, SLC10A2, ARL6IP5, ID4, GATA4, SYNE1, and ADCY3. Lind et al (2010) conducted a pooling-based GWA study and metaanalysis using a case-control design while Wang et al (2011) performed a meta-analysis of AD using the COGA and SAGE samples. More recently, GWA studies have been conducted with alcohol consumption (Baik et al 2011;Kendler et al 2011;Schumann et al 2011), event-related brain oscillations (Zlojutro et al 2011), and quantitative consumption and diagnostic and quantitative dependence (Heath et al 2011).…”
Section: Introductionmentioning
confidence: 99%
“…Means to circumvent this problem include meta-analyses of the literature and reanalyses of pre-existing original data, both of which increase statistical power. For example, Wang et al [166,167] combined data sets from the SAGE, the COGA and the OZALC GWAS [168,169,170] and identified several gene loci not reported in the initial publications (table 1, first part). In a very recent GWAS, Gelernter et al [171] included a total of 16,087 subjects, both newly recruited and from pre-existing samples.…”
Section: Genome-wide Association Studiesmentioning
confidence: 99%
“…For example, the KIAA0040 risk variant identified in a GWAS by Zuo et al [172] and replicated in the meta-analysis by Wang et al [167], encodes an HLA1-DR11-restricted T cell epitope with yet unknown function [178]. However, expression quantitative trait locus analysis has demonstrated that the expression of the KIAA0040 gene is associated with the expression of multiple other genes involved in neurotransmission, including several genes previously implicated in alcohol dependence and other psychiatric disorders, such as DRD2-TTC12, DRD3, HTR1B, GRM5 and OPRD1 [172].…”
Section: From Genes To Pathwaysmentioning
confidence: 99%