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Genome-wide association study identifies 48 common genetic variants associated with handedness

  • Gabriel Cuellar-Partida
  • , Joyce Y. Tung
  • , Nicholas Eriksson
  • , Eva Albrecht
  • , Fazil Aliev
  • , Ole A. Andreassen
  • , Inês Barroso
  • , Jacques S. Beckmann
  • , Marco P. Boks
  • , Dorret I. Boomsma
  • , Heather A. Boyd
  • , Monique M.B. Breteler
  • , Harry Campbell
  • , Daniel I. Chasman
  • , Lynn F. Cherkas
  • , Gail Davies
  • , Eco J.C. de Geus
  • , Ian J. Deary
  • , Panos Deloukas
  • , Danielle M. Dick
  • David L. Duffy, Johan G. Eriksson, Tõnu Esko, Bjarke Feenstra, Frank Geller, Christian Gieger, Ina Giegling, Scott D. Gordon, Jiali Han, Thomas F. Hansen, Annette M. Hartmann, Caroline Hayward, Kauko Heikkilä, Andrew A. Hicks, Joel N. Hirschhorn, Jouke Jan Hottenga, Jennifer E. Huffman, Liang Dar Hwang, M. Arfan Ikram, Jaakko Kaprio, John P. Kemp, Kay Tee Khaw, Norman Klopp, Bettina Konte, Zoltan Kutalik, Jari Lahti, Xin Li, Ruth J.F. Loos, Michelle Luciano, Sigurdur H. Magnusson, Massimo Mangino, Pedro Marques-Vidal, Nicholas G. Martin, Wendy L. McArdle, Mark I. McCarthy, Carolina Medina-Gomez, Mads Melbye, Scott A. Melville, Andres Metspalu, Lili Milani, Vincent Mooser, Mari Nelis, Dale R. Nyholt, Kevin S. O’Connell, Roel A. Ophoff, Cameron Palmer, Aarno Palotie, Teemu Palviainen, Guillaume Pare, Lavinia Paternoster, Leena Peltonen, Brenda W.J.H. Penninx, Ozren Polasek, Peter P. Pramstaller, Inga Prokopenko, Katri Raikkonen, Samuli Ripatti, Fernando Rivadeneira, Igor Rudan, Dan Rujescu, Johannes H. Smit, George Davey Smith, Jordan W. Smoller, Nicole Soranzo, Tim D. Spector, Beate St Pourcain, John M. Starr, Hreinn Stefánsson, Stacy Steinberg, Maris Teder-Laving, Gudmar Thorleifsson, Kári Stefánsson, Nicholas J. Timpson, André G. Uitterlinden, Cornelia M. van Duijn, Frank J.A. van Rooij, Jaqueline M. Vink, Peter Vollenweider, Eero Vuoksimaa, Gérard Waeber, Nicholas J. Wareham, Nicole Warrington, Dawn Waterworth, Thomas Werge, H. Erich Wichmann, Elisabeth Widen, Gonneke Willemsen, Alan F. Wright, Margaret J. Wright, Mousheng Xu, Jing Hua Zhao, Peter Kraft, David A. Hinds, Cecilia M. Lindgren, Reedik Mägi, Benjamin M. Neale, David M. Evans*, Sarah E. Medland*
*Corresponding author for this work
  • University of Queensland
  • 23andMe Inc.
  • Helmholtz Zentrum München - German Research Center for Environmental Health
  • Virginia Commonwealth University
  • Karabuk University
  • University of Oslo
  • Wellcome Trust Sanger Institute
  • University of Cambridge
  • University of Lausanne
  • Utrecht University
  • Vrije Universiteit Amsterdam
  • Amsterdam UMC
  • Statens Serum Institut
  • German Center for Neurodegenerative Diseases
  • University of Edinburgh
  • Brigham and Women’s Hospital
  • Harvard University
  • King's College London
  • Queen Mary University of London
  • Queensland Institute of Medical Research
  • Helsinki University Hospital
  • Folkhalsan
  • Agency for Science, Technology and Research, Singapore
  • National University of Singapore
  • University of Tartu
  • Broad Institute
  • German Center for Diabetes Research
  • Martin Luther University Halle-Wittenberg
  • Indiana University-Purdue University Indianapolis
  • Institute of Biological Psychiatry
  • University of Copenhagen
  • University of Helsinki
  • EURAC Research
  • Boston Children's Hospital
  • Erasmus University Rotterdam
  • University of Bristol
  • Hannover Medical School
  • Swiss Institute of Bioinformatics
  • University of Turku
  • Icahn School of Medicine at Mount Sinai
  • deCODE Genetics
  • University of Oxford
  • Oxford University Hospitals NHS Foundation Trust
  • Genentech Incorporated
  • Stanford University
  • Queensland University of Technology
  • University of California at Los Angeles
  • Columbia University
  • McMaster University
  • University of Split
  • Psychiatric Hospital Sveti Ivan
  • University of Surrey
  • Imperial College London
  • Massachusetts General Hospital
  • Max Planck Institute for Psycholinguistics
  • Radboud University Nijmegen
  • GlaxoSmithKline
  • H. Lundbeck A/S

Research output: Contribution to journalArticlepeer-review

Abstract

Handedness has been extensively studied because of its relationship with language and the over-representation of left-handers in some neurodevelopmental disorders. Using data from the UK Biobank, 23andMe and the International Handedness Consortium, we conducted a genome-wide association meta-analysis of handedness (N = 1,766,671). We found 41 loci associated (P < 5 × 10−8) with left-handedness and 7 associated with ambidexterity. Tissue-enrichment analysis implicated the CNS in the aetiology of handedness. Pathways including regulation of microtubules and brain morphology were also highlighted. We found suggestive positive genetic correlations between left-handedness and neuropsychiatric traits, including schizophrenia and bipolar disorder. Furthermore, the genetic correlation between left-handedness and ambidexterity is low (rG = 0.26), which implies that these traits are largely influenced by different genetic mechanisms. Our findings suggest that handedness is highly polygenic and that the genetic variants that predispose to left-handedness may underlie part of the association with some psychiatric disorders.

Original languageEnglish
Pages (from-to)59-70
Number of pages12
JournalNature Human Behaviour
Volume5
Issue number1
DOIs
Publication statusPublished - Jan 2021
Externally publishedYes

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