Cited by 531Genetic Associations and EpidemiologyGenetic Mapping and Diversity in Plants and AnimalsGenetic and phenotypic traits in livestock

Practical aspects of imputation-driven meta-analysis of genome-wide association studies

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de Bakker, P. I.W., Ferreira, M. A.R., Jia, X., Neale, B. M., Raychaudhuri, S., Voight, B. F.·2008·Human Molecular Genetics

Abstract

Motivated by the overwhelming success of genome-wide association studies, droves of researchers are working vigorously to exchange and to combine genetic data to expediently discover genetic risk factors for common human traits. The primary tools that fuel these new efforts are imputation, allowing researchers who have collected data on a diversity of genotype platforms to share data in a uniformly exchangeable format, and meta-analysis for pooling statistical support for a genotype-phenotype association. As many groups are forming collaborations to engage in these efforts, this review collects a series of guidelines, practical detail and learned experiences from a variety of individuals who have contributed to the subject.

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  • The imputation quality score (ratio-of-variances) is commonly applied as a quality filter for imputed genotypes and is equivalent to the RSQR_HAT value by MACH and the information content (INFO) measure by PLINK.

    “This score is commonly applied as a quality filter for imputed genotypes and is equivalent to the RSQR_HAT value by MACH and the information content (INFO) measure by PLINK (44).”

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  1. Newton-Cheh, C., Eijgelsheim, M., Rice, K., de Bakker, P.I.W., Yin, X., Estrada, K., Bis, J., Marciante, K., Rivadeneira, F., Noseworthy, P.A. et al. (2008) Common variants at ten loci influence myocardial repolarization: the QTGEN consortium. Nat. Genet., in press.

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Authors
de Bakker, P. I. W., Ferreira, M. A. R., Jia, X., Neale, B. M., Raychaudhuri, S., & Voight, B. F.
Affiliations
  • Broad Institute (US)
  • Harvard–MIT Division of Health Sciences and Technology (US)
Venue
Human Molecular Genetics
Published
2008-10-15
Volume
17
Issue
R2
Pages
R122-R128
ISSN
  • 0964-6906 (ISSN-L)
  • 1460-2083
OpenAlex
W2119067354
Cited by
531
References
44
Citations by year
2026: 7 · 2025: 7 · 2024: 10 · 2023: 16 · 2022: 14 · 2021: 28 · 2020: 6 · 2019: 19 · 2018: 27 · 2017: 26 · 2016: 32 · 2015: 39 · 2014: 42 · 2013: 50 · 2012: 52
FWCI
4.84
Type
journal article
Language
en
Open access
Locations
  • Human Molecular Genetics (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Research Explorer (The University of Manchester) (publishedVersion)
Funders
  • National Institutes of Health
  • U.S. Public Health Service (K08-KAR055688A)
  • National Institute of Arthritis and Musculoskeletal and Skin Diseases (K08AR055688, T32AR007530)
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
imputation, genome-wide association study, meta-analysis, genotype-phenotype correlation, data exchange, genetic risk factors
MeSH terms
Data Interpretation, Statistical, Humans, Phenotype, Meta-Analysis as Topic, Genome, Human, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, Genome-Wide Association Study

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