Cited by 1,674Genetic Associations and EpidemiologyGenetic Mapping and Diversity in Plants and AnimalsGenetics and Physical Performance

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A comprehensive review of genetic association studies

Open access
Hirschhorn, Joel N., Lohmueller, Kirk, Byrne, Edward, Hirschhorn, Kurt·2002·Genetics in Medicine

Abstract

Most common diseases are complex genetic traits, with multiple genetic and environmental components contributing to susceptibility. It has been proposed that common genetic variants, including single nucleotide polymorphisms (SNPs), influence susceptibility to common disease. This proposal has begun to be tested in numerous studies of association between genetic variation at these common DNA polymorphisms and variation in disease susceptibility. We have performed an extensive review of such association studies. We find that over 600 positive associations between common gene variants and disease have been reported; these associations, if correct, would have tremendous importance for the prevention, prediction, and treatment of most common diseases. However, most reported associations are not robust: of the 166 putative associations which have been studied three or more times, only 6 have been consistently replicated. Interestingly, of the remaining 160 associations, well over half were observed again one or more times. We discuss the possible reasons for this irreproducibility and suggest guidelines for performing and interpreting genetic association studies. In particular, we emphasize the need for caution in drawing conclusions from a single report of an association between a genetic variant and disease susceptibility.

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  • Only about a dozen extensively reproduced associations of common variants outside the HLA locus were identified in the 20th century.

    “Still, only about a dozen extensively reproduced associations of common variants (outside the HLA locus) were identified in the 20th century (24).”

    From Genetic Mapping in Human Disease (2008) · cites this paper as [24]

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Metadata

Authors
Hirschhorn, J. N., Lohmueller, K., Byrne, E., & Hirschhorn, K.
Affiliations
  • Boston Children's Hospital (US)
  • Massachusetts Institute of Technology (US)
  • Icahn School of Medicine at Mount Sinai (US)
Venue
Genetics in Medicine
Publisher
Elsevier BV
Published
2002-03
Volume
4
Issue
2
Pages
45-61
ISSN
1098-3600 (ISSN-L)
OpenAlex
W2143249342
Cited by
1,674
References
44
Citations by year
2026: 4 · 2025: 13 · 2024: 15 · 2023: 16 · 2022: 32 · 2021: 51 · 2020: 35 · 2019: 27 · 2018: 44 · 2017: 29 · 2016: 51 · 2015: 77 · 2014: 79 · 2013: 78 · 2012: 84
FWCI
12.05
Type
journal article
Language
en
Open access
Locations
  • Genetics in Medicine (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Howard Hughes Medical Institute
  • Bristol-Myers Squibb
  • Takeda Oncology
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 › Genetics and Physical Performance
Keywords
genetic association studies, single nucleotide polymorphisms, common genetic variants, disease susceptibility, common complex diseases, replication of genetic associations, irreproducibility, genetic epidemiology
MeSH terms
Alleles, Disease Susceptibility, Environment, Genetics, Population, Humans, Genetic Variation, Linkage Disequilibrium, Genome, Human, Guidelines as Topic, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, Genetic Diseases, Inborn

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