How a pregnancy hormone reshapes the mother's prefrontal brain
The path to the parous brain: allopregnanolone-mediated mechanisms at GABAA receptors.
This project looks at how the pregnancy hormone allopregnanolone changes activity in the brain area that helps regulate mood and decision-making during late pregnancy and after birth.
Quick facts
| Grant type | R21 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Northeastern University NIH-funded |
| Lab location | 1 site (Boston, United States) |
| Project ID | NIH-11252292 on NIH RePORTER |
What this research studies
Scientists will use animal models (rats) to reproduce the hormonal changes of late pregnancy and the postpartum period and record activity in the medial prefrontal cortex, a brain area tied to mood and executive function. They will change allopregnanolone levels and manipulate GABAA receptor signaling with drugs while measuring neural activity and behavior to see if that hormone causes the suppression in late pregnancy and the rebound after weaning. Behavioral tests will link those brain activity changes to decision-making and emotion-related behaviors. The overall aim is to identify the molecular and circuit mechanisms by which pregnancy hormones produce lasting changes in the mother's brain.
Who could benefit from this research
Good fit: People who are pregnant (especially in late pregnancy) or in the postpartum/weaning period and who are interested in research on pregnancy-related mood or cognitive changes would find this most relevant.
Not a fit: People without a history of pregnancy or those seeking treatments for unrelated neurological disorders are unlikely to gain direct benefit from this specific project.
Why it matters
Potential benefit: If successful, this work could clarify how pregnancy hormones lead to lasting mood and cognitive changes and point toward new targets for preventing or treating postpartum mood problems.
How similar studies have performed: Related work on allopregnanolone informed development of brexanolone for severe postpartum depression, but applying these mechanistic approaches to mPFC suppression and rebound across pregnancy is a newer direction.
Where this research is happening
Boston, United States
- Northeastern University — Boston, United States (Active)
Researchers
- Principal investigator: Shansky, Rebecca M — Northeastern University
- Study coordinator: Shansky, Rebecca M
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.