Evidence that duplications of 22q11.2 protect against schizophrenia

  • E. Rees
  • , G. Kirov
  • , A. Sanders
  • , J. T. R. Walters
  • , K. D. Chambert
  • , J. Shi
  • , J. Szatkiewicz
  • , C. O'Dushlaine
  • , A. L. Richards
  • , E. K. Green
  • , I. Jones
  • , G. Davies
  • , S. E. Legge
  • , J. L. Moran
  • , C. Pato
  • , M. Pato
  • , G. Genovese
  • , D. Levinson
  • , J. Duan
  • , W. Moy
  • H. H. H. Göring, D. Morris, P. Cormican, K. S. Kendler, F. A. O'Neill, B. Riley, M. Gill, A. Corvin, Wellcome Trust Case Control Consortium, N. Craddock, P. Sklar, C. Hultman, P. F. Sullivan, P. V. Gejman, S. A. McCarroll, M. C. O'Donovan, M. J. Owen

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Abstract

A number of large, rare copy number variants (CNVs) are deleterious for neurodevelopmental disorders, but large, rare, protective CNVs have not been reported for such phenotypes. Here we show in a CNV analysis of 47?005 individuals, the largest CNV analysis of schizophrenia to date, that large duplications (1.5-3.0?Mb) at 22q11.2-the reciprocal of the well-known, risk-inducing deletion of this locus-are substantially less common in schizophrenia cases than in the general population (0.014% vs 0.085%, OR=0.17, P=0.00086). 22q11.2 duplications represent the first putative protective mutation for schizophrenia.
Original languageEnglish
Pages (from-to)37-40
Number of pages4
JournalMolecular Psychiatry
Volume19
Early online date12 Nov 2013
DOIs
Publication statusPublished - Jan 2014

ASJC Scopus subject areas

  • Molecular Biology
  • Psychiatry and Mental health
  • Cellular and Molecular Neuroscience

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