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Association studies of up to 1.2 million individuals yield new insights into the genetic etiology of tobacco and alcohol use

  • 23andMe Research Team
  • , HUNT All-In Psychiatry
  • University of Minnesota Twin Cities
  • Pennsylvania State University
  • University of Colorado Boulder
  • Massachusetts Institute of Technology
  • Broad Institute
  • 23andMe Inc.
  • University of Texas Southwestern Medical Center
  • University of Oslo
  • Norwegian University of Science and Technology
  • Norwegian Institute of Public Health
  • Nord-Trøndelag Health Trust
  • Helse-Fonna HF
  • Levanger Hospital
  • Vrije Universiteit Amsterdam
  • Nord University
  • Norwegian Centre for Violence and Traumatic Stress Studies
  • Kaiser Permanente
  • Virginia Commonwealth University
  • University of Utah
  • University of Michigan, Ann Arbor
  • Queensland Institute of Medical Research
  • Fred Hutchinson Cancer Research Center
  • Harvard University
  • Erasmus University Rotterdam
  • University of Tartu
  • RIKEN
  • University of Bristol
  • National Research Council of Italy
  • University of Helsinki
  • deCODE Genetics
  • University of Colorado Anschutz Medical Campus
  • Avera Health
  • Brown University
  • University of Iceland
  • University of North Carolina at Chapel Hill
  • Washington University St. Louis
  • The University of Sydney
  • University of Oxford
  • RTI International
  • University of Eastern Finland
  • The University of Osaka
  • University of Washington
  • VU University Medical Center
  • Indiana University Bloomington
  • Vogur Hospital
  • Vanderbilt University
  • University of California at San Diego
  • Nord-Trondelag Hospital Trust
  • Northwestern University
  • Stanford University

Research output: Contribution to journalLetterpeer-review

Abstract

Tobacco and alcohol use are leading causes of mortality that influence risk for many complex diseases and disorders1. They are heritable2,3 and etiologically related4,5 behaviors that have been resistant to gene discovery efforts6–11. In sample sizes up to 1.2 million individuals, we discovered 566 genetic variants in 406 loci associated with multiple stages of tobacco use (initiation, cessation, and heaviness) as well as alcohol use, with 150 loci evidencing pleiotropic association. Smoking phenotypes were positively genetically correlated with many health conditions, whereas alcohol use was negatively correlated with these conditions, such that increased genetic risk for alcohol use is associated with lower disease risk. We report evidence for the involvement of many systems in tobacco and alcohol use, including genes involved in nicotinic, dopaminergic, and glutamatergic neurotransmission. The results provide a solid starting point to evaluate the effects of these loci in model organisms and more precise substance use measures.

Original languageEnglish
Pages (from-to)237-244
Number of pages8
JournalNature Genetics
Volume51
Issue number2
DOIs
Publication statusPublished - 14 Jan 2019
Externally publishedYes

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