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Discovery of 42 genome-wide significant loci associated with dyslexia

  • 23andMe Research Team
  • , Quantitative Trait Working Group of the GenLang Consortium
  • University of Edinburgh
  • 23andMe Inc.
  • Max Planck Institute for Psycholinguistics
  • Queensland Institute of Medical Research
  • Shaanxi Normal University
  • Vrije Universiteit Amsterdam
  • University of St Andrews
  • King's College London
  • Max Planck Institute of Psychiatry
  • Technical University of Munich
  • Krembil Research Institute
  • University of Toronto
  • Maastricht University
  • Netherlands Twin Register
  • Amsterdam UMC
  • Institut Pasteur Paris
  • Université Paris Cité
  • University of Zurich
  • Heidelberg University 
  • BCBL – Basque Center on Cognition, Brain and Language
  • Ikerbasque Basque Foundation for Science
  • University of the Basque Country
  • University of Bologna
  • Oxford Brookes University
  • Research Centre for Natural Sciences
  • University of Pannonia
  • University of New Mexico
  • University of Amsterdam
  • University of Lausanne
  • Erasmus University Rotterdam
  • IRCCS Istituto Neurologico Mediterraneo Neuromed - Pozzilli (IS)
  • University of York
  • University of La Laguna
  • University of Oxford
  • VU University Medical Center
  • Karolinska Institutet
  • University of Helsinki
  • University of Iowa
  • University of Graz
  • BioTechMed-Graz
  • Cognitive Neuroscience Neurology and Neurosurgery
  • University of Jyväskylä
  • Chinese University of Hong Kong
  • Helmholtz Zentrum München - German Research Center for Environmental Health
  • Ludwig Maximilian University of Munich
  • Murdoch Children's Research Institute
  • Department of Audiology and Speech Pathology
  • Royal Children's Hospital Melbourne
  • University of Liverpool
  • University of Bonn
  • University of Montreal
  • University of Newcastle
  • Hunter Medical Research Institute, Australia
  • Hunter New England Health
  • Laboratoire de Sciences Cognitives et Psycholinguistique
  • Menzies Health Institute Queensland
  • Université du Québec à Chicoutimi
  • University of Bristol
  • Harvard University
  • Yale University
  • Telethon Kids Institute
  • Radboud University Nijmegen
  • Aston University
  • Tufts University
  • University of Colorado Boulder
  • University of Denver
  • University of Nebraska Medical Center
  • University of Queensland

Research output: Contribution to journalArticlepeer-review

Abstract

Reading and writing are crucial life skills but roughly one in ten children are affected by dyslexia, which can persist into adulthood. Family studies of dyslexia suggest heritability up to 70%, yet few convincing genetic markers have been found. Here we performed a genome-wide association study of 51,800 adults self-reporting a dyslexia diagnosis and 1,087,070 controls and identified 42 independent genome-wide significant loci: 15 in genes linked to cognitive ability/educational attainment, and 27 new and potentially more specific to dyslexia. We validated 23 loci (13 new) in independent cohorts of Chinese and European ancestry. Genetic etiology of dyslexia was similar between sexes, and genetic covariance with many traits was found, including ambidexterity, but not neuroanatomical measures of language-related circuitry. Dyslexia polygenic scores explained up to 6% of variance in reading traits, and might in future contribute to earlier identification and remediation of dyslexia.

Original languageEnglish
Pages (from-to)1621-1629
Number of pages9
JournalNature Genetics
Volume54
Issue number11
DOIs
Publication statusPublished - Nov 2022
Externally publishedYes

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