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Related Experiment Video

Updated: May 3, 2026

Using a Murine Model of Psychosocial Stress in Pregnancy as a Translationally Relevant Paradigm for Psychiatric Disorders in Mothers and Infants
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Epigenetic programing of depression during gestation.

Stephanie C Dulawa1

  • 1Committee on Neurobiology, University of Chicago, Chicago, IL, USA; Department of Psychiatry and Behavioral Neurosciences, University of Chicago, Chicago, IL, USA.

Bioessays : News and Reviews in Molecular, Cellular and Developmental Biology
|January 22, 2014
PubMed
Summary
This summary is machine-generated.

Gestational factors, or in utero conditions, may significantly influence the development of mood disorders like depression. Epigenetic mechanisms are key to how these early-life exposures impact future mental health.

Keywords:
animal modelchromatin remodelingdepressiondevelopmentmethylationmood disorderprenatal

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Developmental Biology

Background:

  • Neuropsychiatric disorders such as schizophrenia and autism are linked to gestational factors.
  • Environmental factors contribute significantly to major depression risk (at least 60%).
  • Earlier onset of depression is a growing concern over recent decades.

Purpose of the Study:

  • To examine evidence linking gestational factors to mood disorder programming.
  • To investigate the role of epigenetic mechanisms in mediating these effects.
  • To explore the underrecognized impact of in utero conditions on depression risk.

Main Methods:

  • Review of recent scientific literature on gestational factors and mood disorders.
  • Analysis of studies investigating epigenetic modifications in relation to prenatal exposures.
  • Examination of evidence connecting in utero environment to long-term mental health outcomes.

Main Results:

  • Growing evidence suggests gestational factors play a role in programming mood disorders.
  • Epigenetic mechanisms are identified as key mediators of these effects.
  • Prenatal environmental exposures can alter gene expression impacting mental health.

Conclusions:

  • Gestational factors may be more critical in programming depression than previously thought.
  • Epigenetic modifications offer a pathway for understanding how in utero conditions affect mood disorders.
  • Further research into prenatal influences is crucial for understanding and preventing depression.