Cited by 240Stress Responses and CortisolChild Abuse and TraumaEpigenetics and DNA Methylation

The DOI matches its Crossref record; 144 of the 144 references it cites were found in a registry or an index; none of the 172 sources its claims cite is checked for support yet.

Early life adversity and the epigenetic programming of hypothalamic-pituitary-adrenal function

Open access
Anacker, Christoph, O'Donnell, Kieran J., Meaney, Michael J.·2014·Dialogues in Clinical Neuroscience

Abstract

We review studies with human and nonhuman species that examine the hypothesis that epigenetic mechanisms, particularly those affecting the expression of genes implicated in stress responses, mediate the association between early childhood adversity and later risk of depression. The resulting studies provide evidence consistent with the idea that social adversity, particularly that involving parent-offspring interactions, alters the epigenetic state and expression of a wide range of genes, the products of which regulate hypothalamic-pituitary-adrenal function. We also address the challenges for future studies, including that of the translation of epigenetic studies towards improvements in treatments.

Overview

AI snapshot

Written from the paper’s full text.

TL;DR

This review synthesizes rodent and human evidence that early-life adversity, especially parent-offspring interactions, alters epigenetic regulation of HPA-axis genes and stress reactivity, potentially linking childhood adversity to depression risk. It also highlights caveats and challenges for translating epigenetic findings into treatment.

Key findings

  • In rats, offspring of High licking/grooming (LG) mothers show increased hippocampal glucocorticoid receptor (GR) expression, enhanced glucocorticoid negative feedback, decreased hypothalamic CRF mRNA, and more modest plasma ACTH/corticosterone responses to acute stress than offspring of Low LG mothers; cross-fostering reverses these effects.
  • Maternal care regulates the hippocampal GR exon 17 promoter: Low LG offspring show hypermethylation at the 5′ CpG of the NGFI-A site, reduced NGFI-A binding, and lower H3K9ac/H3K4me3; 5-hydroxymethylcytosine at this promoter was three times higher in Low vs High LG offspring, and trichostatin A infusion reversed maternal effects on GR expression and HPA responses.
  • Human postmortem hippocampal samples from suicide completers with childhood maltreatment show decreased GR expression and altered exon 1 variant methylation; exon 1F (homolog of rat exon 17) shows increased methylation and decreased NGFI-A binding. Peripheral studies associate childhood maltreatment or parental loss with increased exon 1F NR3C1 methylation, and FKBP5 allele-specific demethylation interacts with childhood trauma to predict PTSD risk.
  • Early-life stress in mice alters methylation of AVP and Pomc genes, increasing hypothalamic AVP synthesis and ACTH; maternal care also reduces hypothalamic CRF expression via NRSF and glutamatergic input. Approximately a third of individuals who die by suicide have histories of childhood adversity.

Methods

  • Narrative review of human and nonhuman studies; no new primary data.
  • Rodent models include Long-Evans rats varying in pup LG, cross-fostering, tactile stimulation, and HDAC inhibitor infusion; mouse maternal separation. Human samples include Quebec Suicide Brain Bank postmortem hippocampus and peripheral blood/leukocytes/saliva.
  • Main analysis is qualitative synthesis of molecular, endocrine, behavioral, and clinical findings; no meta-analysis or systematic search reported.

Limitations

  • Stated: altered HPA activity is apparent only in a subset of MDD patients, and it is unclear whether this subset is defined by developmental history; genotype moderates the impact of adverse childhood experience and epigenetic modifications; few preclinical models of gene × environment interactions exist.
  • Stated: preclinical studies have not widely capitalized on the finding that adverse childhood experience alters antidepressant response, and integrating childhood experience into treatment models remains a challenge.
  • Evident: as a narrative review, it lacks systematic search/quality appraisal or meta-analysis; human epigenetic findings often rely on peripheral tissues (blood, saliva) or postmortem samples, and the paper notes DNA methylation can be tissue- and cell-type-specific.

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Integrity signals

Registry

Crossref · 10.31887/dcns.2014.16.3/canacker

Cites

144 of 144 references verified0 citation errors · 0 not checkable

Statistics

Nothing to recompute.

Verification

Claims the paper makes

0 of 172 cited sources checked · 0 supported · 0 flagged

Show all 73 claims

  • It may state two separate claims as one. 44
  • The quote only partly states this claim. 1
  • Probably not a substantial claim. 2
46 of 46
  • The authors state this as an assumption.

    DNA methylation is a reasonable candidate mechanism for the enduring effects of maternal care on hippocampal gene expression in the rat.

    “We focused our initial studies on potential influences on DNA methylation with the assumption that this relatively stable covalent modification was a reasonable candidate mechanism for the enduring effects of maternal care on hippocampal gene expression in the rat.”
  • The paper relies on this without support.

    Approximately a third of individuals who die by suicide have histories of childhood adversity, including childhood sexual and physical abuse, as well as parental neglect.

    “Approximately a third of individuals who die by suicide have histories of childhood adversity, including childhood sexual and physical abuse, as well as parental neglect.”
2 of 2

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Citations

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Research works printed but not linked: 10

  1. Ammerman RT., 1986, Clini Psychol Rev., 6, 10
  2. Canetti L., 1997, Adolescence., 32, 381
  3. Parker G., 1989, Psychiatr Dev., 7, 317
  4. Rutter M., 1979, Ann Acad Med Singapore., 8, 3243
  5. Nemeroff CB., 1996, Mol Psychiatry., 1, 336
  6. De Bellis MD., 1994, J Clin Endocrinol Metab., 78, 249
  7. McCormick JA., 2000, Mol Endocrinol., 14, 506
  8. Sapolsky RM., 2000, Endo Rev., 21, 55
  9. Romens SE., Child Dev. In press.
  10. Yehuda R., Biol Psychiatry. In press.

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Metadata

Authors
Anacker, C., O'Donnell, K. J., & Meaney, M. J.
Affiliations
  • Douglas Mental Health University Institute (CA)
  • Ludmer Centre for Neuroinformatics and Mental Health, Douglas Mental Health University Institute, McGill University, Montreal, Canada
Corresponding author
Meaney, Michael J.
Venue
Dialogues in Clinical Neuroscience
Published
2014-09-30
Volume
16
Issue
3
Pages
321-333
ISSN
  • 1294-8322 (ISSN-L)
  • 1958-5969
OpenAlex
W2135480836
Cited by
237
References
144
Citations by year
2026: 9 · 2025: 17 · 2024: 15 · 2023: 20 · 2022: 14 · 2021: 19 · 2020: 20 · 2019: 24 · 2018: 31 · 2017: 29 · 2016: 23 · 2015: 16
FWCI
11.12
Type
journal article
Language
en
Open access
Locations
  • Dialogues in Clinical Neuroscience (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Social Sciences › Psychology › Clinical Psychology › Child Abuse and Trauma
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
Keywords
childhood adversity, epigenetic programming, hypothalamic-pituitary-adrenal axis, depression risk, stress response genes, parent-offspring interactions, social adversity, gene expression
MeSH terms
Animals, Child Abuse, Developmental Disabilities, Child, Preschool, Humans, Hypothalamo-Hypophyseal System, Pituitary-Adrenal System, Epigenesis, Genetic

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