Pulse Brain · Growing Health Evidence Index
Tier 1 — Meta-analysis / systematic reviewPeer-reviewed

Transancestral GWAS of alcohol dependence reveals common genetic underpinnings with psychiatric disorders

Raymond K. Walters, Renato Polimanti, Emma C. Johnson, Jeanette N. McClintick, Mark J. Adams, Amy Adkins, Fazil Alıev, Silviu‐Alin Bacanu, Anthony Batzler, Sarah Bertelsen, Joanna M. Biernacka, Tim B. Bigdeli, Li‐Shiun Chen, Toni‐Kim Clarke, Yi‐Ling Chou, Franziska Degenhardt, Anna R. Docherty, Alexis C. Edwards, Pierre Fontanillas, Jerome C. Foo, Louis Fox, Josef Frank, Ina Giegling, Scott D. Gordon, Laura M. Hack, Annette M. Hartmann, Sarah M. Hartz, Stefanie Heilmann‐Heimbach, Stefan Herms, Colin A. Hodgkinson, Per Hoffmann, Jouke‐Jan Hottenga, Martin A. Kennedy, Mervi Alanne-Kinnunen, Bettina Konte, Jari Lahti, Marius Lahti‐Pulkkinen, Dongbing Lai, Lannie Ligthart, Anu Loukola, Brion S. Maher, Hamdi Mbarek, Andrew M. McIntosh, Matthew B. McQueen, Jacquelyn L. Meyers, Yuri Milaneschi, Teemu Palviainen, John F. Pearson, Roseann E. Peterson, Samuli Ripatti, Euijung Ryu, Nancy L. Saccone, Jessica E. Salvatore, Sandra Sanchez‐Roige, Melanie L. Schwandt, Richard Sherva, Fabian Streit, Jana Strohmaier, Nathaniel Thomas, Jen‐Chyong Wang, Bradley T. Webb, Robbee Wedow, Leah Wetherill, Amanda G. Wills, Jason D. Boardman, Danfeng Chen, Doo‐Sup Choi, William Copeland, Robert Culverhouse, Norbert Dahmen, Louisa Degenhardt, Benjamin W. Domingue, Sarah L. Elson, Mark A. Frye, Wolfgang Gäbel, Caroline Hayward, Marcus Ising, Margaret A. Keyes, Falk Kiefer, John R. Kramer, Samuel Kuperman, Susanne Lucae, Michael T. Lynskey, Wolfgang Maier, Karl Mann, Satu Männistö, Bertram Müller‐Myhsok, Alison D. Murray, John I. Nürnberger, Aarno Palotie, Ulrich W. Preuss, Katri Räikkönen, Maureen Reynolds, Monika Ridinger, Norbert Scherbaum, Marc A. Schuckit, Michael Soyka, Jens Treutlein, Stephanie H. Witt, Norbert Wodarz

Nature Neuroscience · 2018

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Summary

This transancestral GWAS meta-analysis identified genetic variants associated with alcohol dependence across multiple ancestry groups and demonstrated significant genetic overlap with psychiatric disorders including depression, anxiety, and schizophrenia. The findings suggest shared biological pathways underlying alcohol dependence and comorbid mental health conditions, with implications for understanding aetiology and potential therapeutic targets. The use of diverse ancestry cohorts enhances the generalisability of findings beyond predominantly European populations.

UK applicability

As a clinical genetics study, findings are relevant to UK psychiatric and addiction medicine practice, informing risk stratification and potential screening protocols for individuals with comorbid psychiatric and substance use disorders. However, the study does not directly address farming systems, soil health, or nutrient density—the core foci of Vitagri's Pulse Brain.

Key measures

Genome-wide association study single nucleotide polymorphisms (SNPs); genetic correlations with psychiatric phenotypes; heritability estimates; polygenic risk scores

Outcomes reported

The study identified common genetic variants associated with alcohol dependence across diverse ancestry populations and revealed shared genetic architecture with psychiatric disorders. Genome-wide association study (GWAS) results were analysed to determine genetic overlap and cross-trait correlations.

Theme
Nutrition & health
Subject
Other / interdisciplinary
Study type
Meta-analysis
Study design
Meta-analysis
Source type
Peer-reviewed study
Status
Published
Geography
International
System type
Human clinical
DOI
10.1038/s41593-018-0275-1
Catalogue ID
SNmohdwf5u-gxs4vr

Topic tags

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