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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

Karlsson Linnér, Richard; Biroli, Pietro; Fehr, Ernst; Zünd, Christian L; et al (2019). Genome-wide association analyses of risk tolerance and risky behaviors in over 1 million individuals identify hundreds of loci and shared genetic influences. BioRxiv 261081, Cold Spring Harbor Laboratory.

Abstract

Humans vary substantially in their willingness to take risks. In a combined sample of over one 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. We identified 611 approximately independent genetic loci associated with at least one of our phenotypes, including 124 with general risk tolerance. We report evidence of substantial shared genetic influences across general risk tolerance and risky behaviors: 72 of the 124 general risk tolerance loci contain a lead SNP for at least one of our other GWAS, and general risk tolerance is moderately to strongly genetically correlated (|rˆg| ~ 0.25 to 0.50) with a range of risky behaviors. Bioinformatics analyses imply that genes near general-risk-tolerance-associated SNPs are highly expressed in brain tissues and point to a role for glutamatergic and GABAergic neurotransmission. We find no evidence of enrichment for genes previously hypothesized to relate to risk tolerance.

Additional indexing

Item Type:Working Paper
Communities & Collections:03 Faculty of Economics > Department of Economics
Dewey Decimal Classification:330 Economics
Scopus Subject Areas:Life Sciences > Genetics
Scope:Discipline-based scholarship (basic research)
Language:English
Date:January 2019
Deposited On:23 Jan 2019 15:55
Last Modified:28 Aug 2024 03:43
Series Name:BioRxiv
Number of Pages:23
ISSN:2164-7844
OA Status:Green
Publisher DOI:https://doi.org/10.1101/261081
Official URL:https://www.biorxiv.org/content/early/2019/01/08/261081
Other Identification Number:merlin-id:17419
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