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Genome-wide association analyses of risk tolerance and risky behaviors in over 1 million individuals identify hundreds of loci and shared genetic influences

  • 23and Me Research Team
  • VU University Amsterdam
  • University of Zurich
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  • Broad Institute of MIT and Harvard
  • Center for the Advancement of Value in Musculoskeletal Care
  • University of Amsterdam
  • University of Toronto
  • Erasmus University Rotterdam
  • University of Copenhagen
  • 1] The University of Queensland
  • University of Essex
  • Seminar for Statistics
  • Stuyvesant High School, New York, United States
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  • Barcelona Institute for Global Health (ISGlobal)
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  • University of Oulu
  • University of California San Diego
  • University of Lübeck
  • Team Loyalty BV, Hoofddorp, Netherlands
  • Departament de Ciències Experimentals i de la Salut
  • Erasmus Medical Center
  • University of Colorado Boulder
  • Department of Biological Psychology
  • University of Konstanz
  • University of North Carolina at Chapel Hill
  • University of Fribourg
  • Harvard T.H. Chan School of Public Health
  • Karolinska Institutet
  • Harvard Medical School
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  • Pediatric OCD Consultation Team, Anxiety Treatment and Research Centre, St. Joseph's Healthcare, McMaster University, 100 West 5th Street, Hamilton, ON, Canada L8N 3K7.
  • Technical University of Munich
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  • Centro de Investigación Biomédica en Red en Salud Mental (CIBERSAM), Reus, Spain
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  • Department of Psychiatry
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  • Erasmus MC University Medical Center Rotterdam
  • Department of Child and Adolescent Psychiatry/Psychology
  • Massachusetts General Hospital
  • Usher Institute of Population Health Sciences and Informatics

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Humans vary substantially in their willingness to take risks. In a combined sample of over 1 million individuals, we conducted genome-wide association studies (GWAS) of general risk tolerance, adventurousness, and risky behaviors in the driving, drinking, smoking, and sexual domains. Across all GWAS, we identified hundreds of associated loci, including 99 loci associated with general risk tolerance. We report evidence of substantial shared genetic influences across risk tolerance and the risky behaviors: 46 of the 99 general risk tolerance loci contain a lead SNP for at least one of our other GWAS, and general risk tolerance is genetically correlated ([Formula: see text] ~ 0.25 to 0.50) with a range of risky behaviors. Bioinformatics analyses imply that genes near SNPs associated with general risk tolerance are highly expressed in brain tissues and point to a role for glutamatergic and GABAergic neurotransmission. We found no evidence of enrichment for genes previously hypothesized to relate to risk tolerance.

Original languageEnglish
Pages (from-to)245-257
Number of pages13
JournalNature genetics
Volume51
Issue number2
Early online date2019
DOIs
Publication statusPublished - 1 Feb 2019

Keywords

  • Behavior/physiology
  • Case-Control Studies
  • Female
  • Genetic Loci/genetics
  • Genetic Predisposition to Disease/genetics
  • Genetics, Behavioral/methods
  • Genome-Wide Association Study/methods
  • Genotype
  • Humans
  • Male
  • Polymorphism, Single Nucleotide/genetics

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