Understanding how brain circuits control defensive behaviors related to anxiety
Official title: Hypothalamic prodynorphin neurocircuits integrating defensive behaviors
Funded at University of Texas Hlth Sci Ctr Houston · NIH-11105671 · Data updated 2026-11-12
This study is looking at certain brain cells that might help us understand anxiety disorders like PTSD, focusing on how they affect our reactions to danger, which could lead to better treatments for these conditions.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Texas Hlth Sci Ctr Houston NIH-funded |
| Lab location | 1 site (Houston, United States) |
| Project start | April 15, 2025 |
| Project end | February 28, 2030 |
| Funding year | 2025 |
| Award (this year) | $390,000 |
| NIH project number | 1R01MH139750-01 |
| Project ID | NIH-11105671 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates for this research are individuals suffering from anxiety disorders, particularly those with PTSD.
✕Less likely to help
Patients with anxiety disorders that do not respond to neurobiological interventions may not benefit from this research.
What this research studies
This research investigates the role of specific neurons in the hypothalamus that are linked to anxiety disorders, such as PTSD. It aims to understand how these neurons, which produce a neuropeptide called dynorphin, influence the brain's ability to switch between different defensive responses, like fighting or freezing. By studying the connections of these neurons to other brain regions involved in defensive behavior, the research seeks to uncover the underlying mechanisms that contribute to anxiety disorders. This could lead to new insights into how to better treat these conditions.
Why it matters
Potential benefit: If successful, this research could lead to more effective treatments for anxiety disorders, improving the quality of life for many patients.
How similar studies have gone: Previous research has shown promising results in understanding the neurobiology of anxiety through similar approaches, indicating potential for success.
Where this research is happening
-
University of Texas Hlth Sci Ctr Houston
Houston, United States Active
Researchers
- Principal investigator: Xu, Yuanzhong — University of Texas Hlth Sci Ctr Houston
- Study coordinator: Xu, Yuanzhong
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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.