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Genetic correlation between amyotrophic lateral sclerosis and schizophrenia

  • groep
  • , Russell L. McLaughlin*
  • , Dick Schijven
  • , Wouter Van Rheenen
  • , Kristel R. Van Eijk
  • , Margaret O'Brien
  • , René S. Kahn
  • , Roel A. Ophoff
  • , An Goris
  • , Daniel G. Bradley
  • , Ammar Al-Chalabi
  • , Leonard H. Van Den Berg
  • , Jurjen J. Luykx
  • , Orla Hardiman
  • , Jan H. Veldink
  • , Aleksey Shatunov
  • , Andre G. Uitterlinden
  • , Fernando Rivadeneira
  • , Albert Hofman
  • , Lyudmila Georgieva
  • Tao Li, Danielle Posthuma
*Corresponding author for this work
  • St. James’s Hospital
  • Utrecht University
  • University Medical Centre Utrecht
  • University of California
  • KU Leuven
  • King's College London
  • Hospital Network Antwerp (ZNA) Stuivenberg/Middelheim
  • Macquarie University
  • The University of Sydney
  • Land and Water Business Unit
  • Amsterdam UMC
  • IRCCS Istituto Auxologico Italiano - Milano
  • University of Milan
  • Sorbonne Université
  • Centre SLA Ile de France
  • Centro Hospitalar Universitário Lisboa Norte
  • Hospital de Santa Maria
  • Hospital Universitario La Paz
  • Autonomous University of Barcelona
  • Emory University School of Medicine
  • Euan MacDonald Centre for Motor Neurone Disease Research
  • University of Edinburgh

Research output: Contribution to journalArticleAcademicpeer-review

109 Citations (Scopus)
144 Downloads (Pure)

Abstract

We have previously shown higher-than-expected rates of schizophrenia in relatives of patients with amyotrophic lateral sclerosis (ALS), suggesting an aetiological relationship between the diseases. Here, we investigate the genetic relationship between ALS and schizophrenia using genome-wide association study data from over 100,000 unique individuals. Using linkage disequilibrium score regression, we estimate the genetic correlation between ALS and schizophrenia to be 14.3% (7.05-21.6; P=1 × 10-4) with schizophrenia polygenic risk scores explaining up to 0.12% of the variance in ALS (P=8.4 × 10-7). A modest increase in comorbidity of ALS and schizophrenia is expected given these findings (odds ratio 1.08-1.26) but this would require very large studies to observe epidemiologically. We identify five potential novel ALS-associated loci using conditional false discovery rate analysis. It is likely that shared neurobiological mechanisms between these two disorders will engender novel hypotheses in future preclinical and clinical studies.

Original languageEnglish
Article number14774
JournalNature Communications
Volume8
DOIs
Publication statusPublished - 21 Mar 2017

Bibliographical note

Publisher Copyright:
© 2017 The Author(s).

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