How estradiol affects brain circuits that process emotions
Official title: Estradiol regulation of an amygdala microcircuit for valence processing
Funded at University of Alabama at Birmingham · NIH-11107466 · Data updated 2026-11-12
This study looks at how the hormone estradiol affects the amygdala, a part of the brain that helps us handle emotions, especially in women, to see how changes in hormone levels during the menstrual cycle might influence reactions to stress and trauma, which could help us understand and improve mental health issues like PTSD and anxiety.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Alabama at Birmingham NIH-funded |
| Lab location | 1 site (Birmingham, United States) |
| Project start | May 1, 2025 |
| Project end | April 30, 2030 |
| Funding year | 2025 |
| Award (this year) | $671,340 |
| NIH project number | 1R01MH139795-01 |
| Project ID | NIH-11107466 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates for this research are women who experience PTSD or anxiety disorders, particularly those whose symptoms may fluctuate with hormonal changes.
✕Less likely to help
Patients who are men or those who do not have PTSD or anxiety disorders may not benefit from this research.
What this research studies
This research investigates how the hormone estradiol influences the amygdala, a brain region critical for processing emotions, particularly in women. It aims to understand how fluctuations in estradiol levels during the menstrual cycle can affect responses to negative stimuli, such as those related to trauma. By studying the microcircuits within the amygdala, the research seeks to uncover the cellular mechanisms that contribute to emotional regulation and the severity of conditions like PTSD and anxiety disorders. This could lead to new insights into how hormonal changes impact mental health.
Why it matters
Potential benefit: If successful, this research could lead to improved treatments for women suffering from PTSD and anxiety disorders by targeting hormonal influences on emotional processing.
How similar studies have gone: Previous research has shown promising results in understanding hormonal influences on emotional processing, but this specific focus on sex differences and microcircuits in the amygdala is relatively novel.
Where this research is happening
-
University of Alabama at Birmingham
Birmingham, United States Active
Researchers
- Principal investigator: Lucas, Elizabeth Kathleen — University of Alabama at Birmingham
- Study coordinator: Lucas, Elizabeth Kathleen
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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.