Cited by 346Epigenetics and DNA MethylationGenetic Associations and EpidemiologyGenetic and phenotypic traits in livestock

Epigenetic Inheritance and the Missing Heritability Problem

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Slatkin, Montgomery·2009·Genetics

Abstract

Epigenetic phenomena, and in particular heritable epigenetic changes, or transgenerational effects, are the subject of much discussion in the current literature. This article presents a model of transgenerational epigenetic inheritance and explores the effect of epigenetic inheritance on the risk and recurrence risk of a complex disease. The model assumes that epigenetic modifications of the genome are gained and lost at specified rates and that each modification contributes multiplicatively to disease risk. The potentially high rate of loss of epigenetic modifications causes the probability of identity in state in close relatives to be smaller than is implied by their relatedness. As a consequence, the recurrence risk to close relatives is reduced. Although epigenetic modifications may contribute substantially to average risk, they will not contribute much to recurrence risk and heritability unless they persist on average for many generations. If they do persist for long times, they are equivalent to mutations and hence are likely to be in linkage disequilibrium with SNPs surveyed in genomewide association studies. Thus epigenetic modifications are a potential solution to the problem of missing causality of complex diseases but not to the problem of missing heritability. The model highlights the need for empirical estimates of the persistence times of heritable epialleles.

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  • GWAS are generally not powered to detect epistasis or GxE and are not designed to detect epigenetic influences.

    “Genome-wide association studies (GWAS) are not generally powered to detect epistasis or G×E121, and they are not designed to detect epigenetic influences122”

    From Rare and common variants: twenty arguments (2012) · cites this paper as [122]

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  1. Cotterman, C. W., 1974 A calculus for statistico-genetics (reprint of 1940 Ph.D. Thesis, Ohio State University), pp. 157-272 in Genetics and Social Structure: Mathematical Structuralism in Population Genetics and Social Theory, edited by P. Ballonoff. Dowden, Hutchinson & Ross, Stroudsburg, PA.

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Authors
Slatkin, M.
Affiliations
University of California, Berkeley (US)
Corresponding author
Slatkin, Montgomery
Venue
Genetics
Published
2009-07-01
Volume
182
Issue
3
Pages
845-850
ISSN
  • 0016-6731 (ISSN-L)
  • 1943-2631
OpenAlex
W2150732692
Cited by
337
References
21
Citations by year
2026: 7 · 2025: 7 · 2024: 8 · 2023: 11 · 2022: 7 · 2021: 12 · 2020: 20 · 2019: 11 · 2018: 14 · 2017: 21 · 2016: 19 · 2015: 40 · 2014: 34 · 2013: 26 · 2012: 40
FWCI
13.14
Type
journal article
Language
en
Open access
Locations
  • Genetics (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of General Medical Sciences (R01GM040282, R01‑GM40282)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic and phenotypic traits in livestock
Keywords
epigenetic inheritance, transgenerational epigenetic inheritance, missing heritability, complex diseases, recurrence risk, epialleles, identity by state, linkage disequilibrium, genome-wide association study, disease risk
MeSH terms
Algorithms, Animals, Humans, Models, Genetic, Mutation, Time Factors, Linkage Disequilibrium, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, Epigenesis, Genetic, Genome-Wide Association Study

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