Cited by 121Genetic Associations and EpidemiologySubstance Abuse Treatment and OutcomesNeurotransmitter Receptor Influence on Behavior

Genomewide Association Analysis of Symptoms of Alcohol Dependence in the Molecular Genetics of Schizophrenia (MGS2) Control Sample: SYMPTOMS OF AD IN THE MGS2 CONTROL SAMPLE

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Kendler, Kenneth S., Kalsi, Gursharan, Holmans, Peter A., Sanders, Alan R., Aggen, Steven H., Dick, Danielle M., Aliev, Fazil, Shi, Jianxin +2 more·2011·Alcoholism: Clinical and Experimental Research

Abstract

BACKGROUND: While genetic influences on alcohol dependence (AD) are substantial, progress in the identification of individual genetic variants that impact on risk has been difficult. METHODS: We performed a genome-wide association study on 3,169 alcohol consuming subjects from the population-based Molecular Genetics of Schizophrenia (MGS2) control sample. Subjects were asked 7 questions about symptoms of AD which were analyzed by confirmatory factor analysis. Genotyping was performed using the Affymetrix 6.0 array. Three sets of analyses were conducted separately for European American (EA, n = 2,357) and African-American (AA, n = 812) subjects: individual single nucleotide polymorphisms (SNPs), candidate genes and enriched pathways using gene ontology (GO) categories. RESULTS: The symptoms of AD formed a highly coherent single factor. No SNP approached genome-wide significance. In the EA sample, the most significant intragenic SNP was in KCNMA1, the human homolog of the slo-1 gene in C. Elegans. Genes with clusters of significant SNPs included AKAP9, phosphatidylinositol glycan anchor biosynthesis, class G (PIGG), and KCNMA1. In the AA sample, the most significant intragenic SNP was CEACAM6 and genes showing empirically significant SNPs included KCNQ5, SLC35B4, and MGLL. In the candidate gene based analyses, the most significant findings were with ADH1C, nuclear factor of kappa light polypeptide gene enhancer in B-cells 1 (NFKB1) and ankyrin repeat and kinase domain containing 1 (ANKK1) in the EA sample, and ADH5, POMC, and CHRM2 in the AA sample. The ALIGATOR program identified a significant excess of associated SNPs within and near genes in a substantial number of GO categories over a range of statistical stringencies in both the EA and AA sample. CONCLUSIONS: While we cannot be highly confident about any single result from these analyses, a number of findings were suggestive and worthy of follow-up. Although quite large samples will be needed to obtain requisite power, the study of AD symptoms in general population samples is a viable complement to case-control studies in identifying genetic risk variants for AD.

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Authors
Kendler, K. S., Kalsi, G., Holmans, P. A., Sanders, A. R., Aggen, S. H., Dick, D. M., Aliev, F., Shi, J., Levinson, D. F., & Gejman, P. V.
Affiliations
  • Virginia Commonwealth University (US)
  • Endeavor Health (US)
Corresponding author
Kendler, Kenneth S.
Venue
Alcoholism: Clinical and Experimental Research
Publisher
Wiley
Published
2011-02-11
Volume
35
Issue
5
Pages
963-975
ISSN
0145-6008 (ISSN-L)
OpenAlex
W1954226798
Cited by
121
References
97
Citations by year
2024: 1 · 2023: 4 · 2022: 2 · 2021: 4 · 2020: 7 · 2019: 6 · 2018: 10 · 2017: 17 · 2016: 6 · 2015: 9 · 2014: 23 · 2013: 13 · 2012: 16
FWCI
10.98
Type
journal article
Language
en
Open access
Locations
  • Alcoholism Clinical and Experimental Research (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Research Portal (King's College London) (submittedVersion)
Funders
  • Emory University
  • Louisiana State University
  • NorthShore University HealthSystem
  • National Institutes of Health
  • National Institute on Alcohol Abuse and Alcoholism (K02AA018755, R37AA011408, P30AA019372, P20AA017828, R01AA011408)
  • National Institute of Mental Health (R01 MH61675, U01-MH79470, R01 MH-59571, R01MH59588, R01-MH59566, R01-MH60879, R01-MH60870, R01-MH59586, R01MH059566, R01 MH81800, R01MH59587, R01-MH59565, R01MH059571, R01MH060879, R01MH059565, R01MH081800, R01 MH-67257, R01MH060870, U01MH079469, R01MH061675, R01MH059586, R01MH059588, R01MH067257, U01MH079470, R01MH059587, U01MH-79469)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Health Sciences › Medicine › Epidemiology › Substance Abuse Treatment and Outcomes
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
alcoholism, alcohol dependence symptoms, genetic risk variants, single nucleotide polymorphisms, KCNMA1, KCNQ5, ANKK1, ADH1C, ADH5, proopiomelanocortin, M2 muscarinic receptor, NFKB1, CEACAM6, monoglyceride lipase, African Americans, European Americans, gene ontology pathways, alcohol consumption
MeSH terms
Alcoholism, Female, Genotype, Humans, Male, Population Surveillance, Random Allocation, Schizophrenia, Polymorphism, Single Nucleotide, Genome-Wide Association Study

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