Cited by 1,864Epigenetics and DNA MethylationBirth, Development, and HealthGenetic Syndromes and Imprinting

Transgenerational epigenetic inheritance: myths and mechanisms

Open access
Heard, Edith, Martienssen, Robert A.·2014·Cell

Abstract

Since the human genome was sequenced, the term "epigenetics" is increasingly being associated with the hope that we are more than just the sum of our genes. Might what we eat, the air we breathe, or even the emotions we feel influence not only our genes but those of descendants? The environment can certainly influence gene expression and can lead to disease, but transgenerational consequences are another matter. Although the inheritance of epigenetic characters can certainly occur-particularly in plants-how much is due to the environment and the extent to which it happens in humans remain unclear.

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Crossref · 10.1016/j.cell.2014.02.045

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  • Increasing evidence indicates that epigenetic information can be inherited transgenerationally across a range of species, including humans, with effects manifesting in the F2 generation not subject to the original exposure.

    “Increasing evidence indicates that epigenetic information can also be inherited transgenerationally across a range of species, including humans, with effects manifesting in the F2 generation (i.e., in grandchildren) not subject to the original exposure.”

    From Ignoring the planet: A critical blind spot for research on ageing (2025) · cites this paper as [31]

    The Conclusions (page unavailable) say transgenerational epigenetic inheritance is well documented in plants and some animals, but that there is little support for it in humans. The Implications for human health section (page unavailable) says most relevant studies concern intergenerational parental or grandparental exposure, rather than truly transgenerational inheritance. This contradicts the claim’s inclusion of humans and its characterization of the grandchildren as unexposed. (LLM, conf=0.88)

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  • Epigenetic mechanisms support biological adaptability to environmental perturbations and can pass these adaptive responses to future generations.

    “Epigenetic mechanisms support biological adaptability to environmental perturbations and can pass these adaptive responses to future generations. This is in keeping with epigenetic intergenerational responses (IGRs) and transgenerational responses (TGRs) observed in humans and other mammals [31, 32].”

    From Ignoring the planet: A critical blind spot for research on ageing (2025) · cites this paper as [31]

    In “Epigenetic variation and the adaptive inheritance of acquired traits” (page not provided), the paper says epigenetic variation can respond to environmental cues and gives examples of effects inherited across generations. But it says whether these effects improve adaptive fitness is unclear and that concrete evidence for adaptive epigenetic inheritance is lacking. The Introduction and Conclusions (pages not provided) also caution that transgenerational epigenetic inheritance has little support in mammals, including humans. (LLM, conf=0.88)

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  • The factors studied include endocrine disruptors, high fat diet, obesity, diabetes, undernourishment as well as trauma.

    “The factors include endocrine disruptors, high fat diet, obesity, diabetes, undernourishment as well as trauma.”

    From A critical view on transgenerational epigenetic inheritance in humans (2018) · cites this paper as [5]

    In “Implications for human health” (page unavailable), the paper discusses high-fat diet and undernourishment as exposures studied for possible inherited effects; it also reports obesity in offspring as an outcome. “Epigenetic variation and the adaptive inheritance of acquired traits” discusses exposure to the fungicide vinclozolin. The cited passages do not establish obesity or diabetes as studied factors, or identify trauma as one; searches for those terms and endocrine disruptors did not substantiate the full list. (LLM, conf=0.86)

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  • How much these changes are due to these factors, and to what extent, remains unclear.

    “However, how much these changes are due to these factors, and to what extent, remains, unclear (261).”
  • Numerous reports on transgenerational responses to environmental or metabolic factors in mice and rats have been published in the past 10 years.

    “In the past 10 years, numerous reports on transgenerational responses to environmental or metabolic factors in mice and rats have been published (for a comprehensive review, see refs. 4–7).”

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Authors
Heard, E., & Martienssen, R. A.
Affiliations
Howard Hughes Medical Institute (US)
Corresponding author
Martienssen, Robert A.
Venue
Cell
Publisher
Elsevier BV
Published
2014-03
Volume
157
Issue
1
Pages
95-109
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2040553259
Cited by
1,864
References
140
Citations by year
2026: 107 · 2025: 114 · 2024: 118 · 2023: 177 · 2022: 169 · 2021: 157 · 2020: 178 · 2019: 201 · 2018: 172 · 2017: 171 · 2016: 117 · 2015: 139 · 2014: 41
FWCI
14.70
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Cold Spring Harbor Laboratory Institutional Repository (Cold Spring Harbor Laboratory) (submittedVersion)
Funders
  • National Science Foundation
  • Howard Hughes Medical Institute
  • Gordon and Betty Moore Foundation
  • Agence Nationale de la Recherche (ANR-10-IDEX-0001)
  • National Institute of General Medical Sciences (GM067014, R01GM067014, R01GM076396)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Birth, Development, and Health
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Syndromes and Imprinting
Keywords
transgenerational epigenetic inheritance, epigenetics, environmental influences on gene expression, gene-environment interaction, epigenetic mechanisms
MeSH terms
Animals, Gene Expression Regulation, Germ Cells, Humans, Plants, DNA Methylation, Epigenesis, Genetic, Gene-Environment Interaction

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