Cited by 491Genetic Associations and EpidemiologySchizophrenia research and treatmentGenomics and Chromatin Dynamics

Transcriptome-wide association study of schizophrenia and chromatin activity yields mechanistic disease insights

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Gusev, Alexander, Mancuso, Nicholas, Won, Hyejung, Kousi, Maria, Finucane, Hilary K., Reshef, Yakir, Song, Lingyun, Safi, Alexias +11 more·2018·Nature Genetics

Published version of a preprint

Abstract

Genome-wide association studies (GWAS) have identified over 100 risk loci for schizophrenia, but the causal mechanisms remain largely unknown. We performed a transcriptome-wide association study (TWAS) integrating a schizophrenia GWAS of 79,845 individuals from the Psychiatric Genomics Consortium with expression data from brain, blood, and adipose tissues across 3,693 primarily control individuals. We identified 157 TWAS-significant genes, of which 35 did not overlap a known GWAS locus. Of these 157 genes, 42 were associated with specific chromatin features measured in independent samples, thus highlighting potential regulatory targets for follow-up. Suppression of one identified susceptibility gene, mapk3, in zebrafish showed a significant effect on neurodevelopmental phenotypes. Expression and splicing from the brain captured most of the TWAS effect across all genes. This large-scale connection of associations to target genes, tissues, and regulatory features is an essential step in moving toward a mechanistic understanding of GWAS.

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Authors
Gusev, A., Mancuso, N., Won, H., Kousi, M., Finucane, H. K., Reshef, Y., Song, L., Safi, A., Schizophrenia Working Group of the Psychiatric Genomics Consortium, McCarroll, S., Neale, B. M., Ophoff, R. A., O’Donovan, M. C., Crawford, G. E., Geschwind, D. H., Katsanis, N., Sullivan, P. F., Pasaniuc, B., & Price, A. L.
Affiliations
  • Broad Institute (US)
  • University of California, Los Angeles (US)
  • Duke Medical Center (US)
  • Harvard University (US)
  • Duke University (US)
  • Cardiff University (GB)
  • University of North Carolina at Chapel Hill (US)
Corresponding author
  • Gusev, Alexander
  • Price, Alkes L.
Venue
Nature Genetics
Published
2018-04
Volume
50
Issue
4
Pages
538-548
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W2951325776
Cited by
491
References
58
Citations by year
2026: 31 · 2025: 42 · 2024: 44 · 2023: 57 · 2022: 89 · 2021: 87 · 2020: 59 · 2019: 60 · 2018: 16 · 2017: 6
FWCI
37.26
Type
journal article
Language
en
Open access
Locations
  • Nature Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • ORCA Online Research @Cardiff (Cardiff University) (acceptedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • National Institutes of Health (1s10od018164-01, 5r01mh080405-05, 5r01mh094714-04)
  • Medical Research Council (MR/P005748/1, MR/L010305/1)
  • National Institute on Aging (P50AG005138, P01AG002219)
  • National Institute of Mental Health (P50MH084053, R01 MH‐080405, R01MH093725, R01MH107649, U01MH103339, U01MH109528, R01-MH094714, P50MH066392, R21MH105881, U01MH103365, R01MH110927, R01MH075916, R01MH109978, R01MH085542, R37MH057881, U01MH103340, R21MH102791, R01MH105472, R01MH097276, P50MH106934, U01MH103392, R01MH105898, R21MH103877, R00MH113823, U01MH103346, K99MH113823, P50MH094268)
  • National Human Genome Research Institute (R01HG009120, U01HG009379)
  • National Institute of General Medical Sciences (R01GM105857, F32GM106584, T32GM007753)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
schizophrenia, transcriptome-wide association study, chromatin activity, gene expression, susceptibility genes, ERK1, zebrafish, brain development, splicing, brain tissue, regulatory mechanisms, Psychiatric Genomics Consortium
MeSH terms
Animals, Brain, Chromatin, Humans, Microtubule-Associated Proteins, Schizophrenia, Zebrafish, Kinesins, Gene Dosage, Genetic Predisposition to Disease, Multifactorial Inheritance, Gene Expression Profiling, Zebrafish Proteins, Quantitative Trait Loci, Mitogen-Activated Protein Kinase 3, Protein Phosphatase 2, Genome-Wide Association Study

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