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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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Pregnancy programs the brain for mothering.

Margaret M McCarthy1

  • 1Department of Pharmacology, Director UM-MIND, University of Maryland School of Medicine, Baltimore, MD, USA.

Science (New York, N.Y.)
|October 5, 2023
PubMed
Summary
This summary is machine-generated.

This study shows that progesterone and estrogen impact the brains of pregnant mice differently. These hormones play distinct roles in maternal brain function during pregnancy.

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Area of Science:

  • Neuroscience
  • Reproductive Biology
  • Endocrinology

Background:

  • Pregnancy involves significant hormonal changes, including elevated levels of progesterone and estrogen.
  • These hormones are known to influence brain function, but their specific roles during gestation are not fully understood.

Purpose of the Study:

  • To investigate the independent effects of progesterone and estrogen on the maternal brain during pregnancy.
  • To elucidate the distinct neurobiological mechanisms mediated by each hormone.

Main Methods:

  • Utilized a mouse model of pregnancy.
  • Employed techniques such as hormone level monitoring, behavioral assessments, and neuroimaging or molecular analyses (specifics not provided in abstract).

Main Results:

  • Progesterone and estrogen were found to exert separate and distinct influences on specific brain regions or functions in pregnant mice.
  • Evidence suggests differential modulation of neural circuits by each hormone.

Conclusions:

  • Progesterone and estrogen act independently to shape maternal brain adaptations during pregnancy.
  • Understanding these separate effects is crucial for comprehending maternal brain health and behavior.