Refining analyses of copy number variation identifies specific genes associated with developmental delay

Bradley P. Coe, Kali Witherspoon, Jill A. Rosenfeld, Bregje W.M. Van Bon, Anneke T. Vulto-Van Silfhout, Paolo Bosco, Kathryn L. Friend, Carl Baker, Serafino Buono, Lisenka E.L.M. Vissers, Janneke H. Schuurs-Hoeijmakers, Alex Hoischen, Rolph Pfundt, Nik Krumm, Gemma L. Carvill, Deana Li, David Amaral, Natasha Brown, Paul J. Lockhart, Ingrid E. SchefferAntonino Alberti, Marie Shaw, Rosa Pettinato, Raymond Tervo, Nicole De Leeuw, Margot R.F. Reijnders, Beth S. Torchia, Hilde Peeters, Elizabeth Thompson, Brian J. O'Roak, Marco Fichera, Jayne Y. Hehir-Kwa, Jay Shendure, Heather C. Mefford, Eric Haan, Jozef Gécz, Bert B.A. De Vries, Corrado Romano, Evan E. Eichler

Research output: Contribution to journalArticlepeer-review

448 Scopus citations

Abstract

Copy number variants (CNVs) are associated with many neurocognitive disorders; however, these events are typically large, and the underlying causative genes are unclear. We created an expanded CNV morbidity map from 29,085 children with developmental delay in comparison to 19,584 healthy controls, identifying 70 significant CNVs. We resequenced 26 candidate genes in 4,716 additional cases with developmental delay or autism and 2,193 controls. An integrated analysis of CNV and single-nucleotide variant (SNV) data pinpointed 10 genes enriched for putative loss of function. Follow-up of a subset of affected individuals identified new clinical subtypes of pediatric disease and the genes responsible for disease-associated CNVs. These genetic changes include haploinsufficiency of SETBP1 associated with intellectual disability and loss of expressive language and truncations of ZMYND11 in individuals with autism, aggression and complex neuropsychiatric features. This combined CNV and SNV approach facilitates the rapid discovery of new syndromes and genes involved in neuropsychiatric disease despite extensive genetic heterogeneity.

Original languageEnglish (US)
Pages (from-to)1063-1071
Number of pages9
JournalNature genetics
Volume46
Issue number10
DOIs
StatePublished - Sep 26 2014

ASJC Scopus subject areas

  • Genetics

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