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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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Prenatal stress and risk for psychopathology: specific effects or induction of general susceptibility?

Anja C Huizink1, Edu J H Mulder, Jan K Buitelaar

  • 1Department of Child and Adolescent Psychiatry, Rudolf Magnus Institute for Neurosciences, University Medical Center Utrecht, Utrecht, Netherlands. a.c.huizink@erasmusmc.nl

Psychological Bulletin
|January 14, 2004
PubMed

Insights

Prenatal stress in animals increases offspring risk for psychopathology. This stress impacts the hypothalamic-pituitary-adrenal axis and neurotransmitter systems, suggesting a general susceptibility to mental health disorders.

Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Psychiatry

Background:

  • Prenatal stress is increasingly recognized as a significant environmental factor influencing offspring neurodevelopment and behavior.
  • Animal models provide valuable insights into the mechanisms linking early-life stress to later psychopathology.
  • Understanding these mechanisms is crucial for developing effective preventative and therapeutic strategies.

Purpose of the Study:

  • To review and synthesize evidence from animal studies on the impact of prenatal stress on psychopathology.
  • To discuss the translational relevance of animal models of prenatal stress for human mental health.
  • To elucidate the neurobiological pathways through which prenatal stress may confer susceptibility to psychopathology.

Main Methods:

  • Systematic review of animal research investigating the effects of prenatal stress exposure.
  • Analysis of findings related to the hypothalamic-pituitary-adrenal (HPA) axis regulation in offspring.
  • Examination of alterations in neurotransmitter systems, including opioid, GABA/benzodiazepine, serotonin, and dopamine pathways.
  • Assessment of changes in the sympathico-adrenal system activity.

Main Results:

  • Consistent findings in offspring of prenatally stressed animals include HPA axis overactivity and impaired negative feedback regulation.
  • Reduced activity in opioid, GABA/benzodiazepine, serotonin, and dopamine systems is observed.
  • Increased activity of the sympathico-adrenal system is a common outcome.
  • These neurobiological alterations are linked to a broad range of psychopathological conditions.

Conclusions:

  • Prenatal stress exposure in animal models leads to significant neurobiological changes that persist into adulthood.
  • These changes suggest a general susceptibility to developing psychopathology rather than a specific disorder.
  • Animal models are relevant for understanding the pathophysiology of stress-related mental health disorders in humans.

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