Cited by 2,479Genetic Associations and EpidemiologyGenetic Mapping and Diversity in Plants and AnimalsGenetic and phenotypic traits in livestock

Integrative approaches for large-scale transcriptome-wide association studies

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Gusev, Alexander, Ko, Arthur, Shi, Huwenbo, Bhatia, Gaurav, Chung, Wonil, Penninx, Brenda W J H, Jansen, Rick, de Geus, Eco J C +17 more·2016·Nature Genetics

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Abstract

Many genetic variants influence complex traits by modulating gene expression, thus altering the abundance of one or multiple proteins. Here we introduce a powerful strategy that integrates gene expression measurements with summary association statistics from large-scale genome-wide association studies (GWAS) to identify genes whose cis-regulated expression is associated with complex traits. We leverage expression imputation from genetic data to perform a transcriptome-wide association study (TWAS) to identify significant expression-trait associations. We applied our approaches to expression data from blood and adipose tissue measured in ∼ 3,000 individuals overall. We imputed gene expression into GWAS data from over 900,000 phenotype measurements to identify 69 new genes significantly associated with obesity-related traits (BMI, lipids and height). Many of these genes are associated with relevant phenotypes in the Hybrid Mouse Diversity Panel. Our results showcase the power of integrating genotype, gene expression and phenotype to gain insights into the genetic basis of complex traits.

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Authors
Gusev, A., Ko, A., Shi, H., Bhatia, G., Chung, W., Penninx, B. W. J. H., Jansen, R., de Geus, E. J. C., Boomsma, D. I., Wright, F. A., Sullivan, P. F., Nikkola, E., Alvarez, M., Civelek, M., Lusis, A. J., Lehtimäki, T., Raitoharju, E., Kähönen, M., Seppälä, I., Raitakari, O. T., Kuusisto, J., Laakso, M., Price, A. L., Pajukanta, P., & Pasaniuc, B.
Affiliations
  • Broad Institute (US)
  • University of California, Los Angeles (US)
  • Harvard University (US)
  • Amsterdam UMC Location Vrije Universiteit Amsterdam (NL)
  • Vrije Universiteit Amsterdam (NL)
  • North Carolina State University (US)
  • University of North Carolina at Chapel Hill (US)
  • Tampere University (FI)
  • Pirkanmaa Hospital District (FI)
  • University of Turku (FI)
  • University of Eastern Finland (FI)
Corresponding author
Gusev, Alexander
Venue
Nature Genetics
Published
2016-02-08
Volume
48
Issue
3
Pages
245-252
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W2264585211
Cited by
2,479
References
70
Citations by year
2026: 321 · 2025: 397 · 2024: 370 · 2023: 280 · 2022: 281 · 2021: 250 · 2020: 211 · 2019: 161 · 2018: 111 · 2017: 66 · 2016: 27 · 2014: 1
FWCI
98.56
Type
journal article
Language
en
Open access
Locations
  • Nature Genetics (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed (publishedVersion)
  • Amsterdam UMC (VU Amsterdam) - Institutional Repository (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion)
  • Pure Amsterdam UMC (submittedVersion, other-oa)
  • eScholarship (California Digital Library) (submittedVersion)
  • VU Research Portal (submittedVersion)
  • Data Archiving and Networked Services (DANS) (submittedVersion)
  • UNC Libraries
Funders
  • National Institutes of Health (HL‐28481, HG002536)
  • National Heart, Lung, and Blood Institute (HL28481, HL-095056, R01HL095056, F31HL127921, P01HL028481)
  • National Human Genome Research Institute (T32HG002536)
  • National Institute of General Medical Sciences (R01GM105857, F32GM106584, R25GM055052, R01 GM053725)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Mapping and Diversity in Plants and Animals
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and phenotypic traits in livestock
Keywords
transcriptome-wide association study, obesity-related traits, body mass index, lipids, height, complex traits, genetic variants, adipose tissue, blood, Hybrid Mouse Diversity Panel
MeSH terms
Animals, Gene Expression Regulation, Genotype, Humans, Obesity, Phenotype, Genetic Predisposition to Disease, Quantitative Trait Loci, Mice, Genome-Wide Association Study, Transcriptome

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