Quantifying the Impact of Rare and Ultra-rare Coding Variation across the Phenotypic Spectrum

Andrea Ganna*, F. Kyle Satterstrom, Seyedeh M. Zekavat, Indraniel Das, Mitja I. Kurki, Claire Churchhouse, Jessica Alfoldi, Alicia R. Martin, Aki S. Havulinna, Andrea Byrnes, Wesley K. Thompson, Philip R. Nielsen, Konrad J. Karczewski, Elmo Saarentaus, Manuel A. Rivas, Namrata Gupta, Olli Pietiläinen, Connor A. Emdin, Francesco Lescai, Jonas Bybjerg-GrauholmJason Flannick, GoT2D/T2D-GENES Consortium, Josep M. Mercader, Miriam Udler, SIGMA Consortium Helmsley IBD Exome Sequencing Project, FinMetSeq Consortium, iPSYCH-Broad Consortium, Markku Laakso, Veikko Salomaa, Christina Hultman, Samuli Ripatti, Eija Hämäläinen, Jukka S. Moilanen, Jarmo Körkkö, Outi Kuismin, Merete Nordentoft, David M. Hougaard, Ole Mors, Thomas Werge, Preben Bo Mortensen, Daniel MacArthur, Mark J. Daly, Patrick F. Sullivan, Adam E. Locke, Aarno Palotie, Anders D. Børglum, Sekar Kathiresan, Benjamin M. Neale

*Corresponding author for this work
36 Citations (Scopus)

Abstract

There is a limited understanding about the impact of rare protein-truncating variants across multiple phenotypes. We explore the impact of this class of variants on 13 quantitative traits and 10 diseases using whole-exome sequencing data from 100,296 individuals. Protein-truncating variants in genes intolerant to this class of mutations increased risk of autism, schizophrenia, bipolar disorder, intellectual disability, and ADHD. In individuals without these disorders, there was an association with shorter height, lower education, increased hospitalization, and reduced age at enrollment. Gene sets implicated from GWASs did not show a significant protein-truncating variants burden beyond what was captured by established Mendelian genes. In conclusion, we provide a thorough investigation of the impact of rare deleterious coding variants on complex traits, suggesting widespread pleiotropic risk.

Original languageEnglish
JournalAmerican Journal of Human Genetics
Volume102
Issue number6
Pages (from-to)1204-1211
ISSN0002-9297
DOIs
Publication statusPublished - 2018

Keywords

  • burden analysis
  • constraint genes
  • exome sequencing
  • phewas
  • rare variants
  • selection
  • ultra-rare variants

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