Brain circuits and chemicals that drive stress-related social avoidance and fear
Circuits and neurotransmitters involved in VTA glutamate neuron regulation of the consequences of stress
['FUNDING_R01'] · UNIVERSITY OF COLORADO · NIH-11284062
This work looks at how certain brain cells and the chemicals they release cause social withdrawal and stronger fear after uncontrollable stress, which is relevant to anxiety and PTSD.
Quick facts
| Phase | ['FUNDING_R01'] |
|---|---|
| Study type | Nih_funding |
| Sex | All |
| Sponsor | UNIVERSITY OF COLORADO (nih funded) |
| Locations | 1 site (Boulder, UNITED STATES) |
| Trial ID | NIH-11284062 on ClinicalTrials.gov |
What this research studies
The team studies mouse brains to understand why uncontrollable stress can cause social avoidance and exaggerated fear in people. They focus on VTA glutamate neurons and trace their signals to two target regions, the nucleus accumbens shell and the lateral habenula. The researchers will test whether these neurons release glutamate, GABA, or dopamine to produce the behavioral effects and will compare outcomes after escapable versus inescapable stress. Although done in mice, the goal is to pinpoint brain circuits and chemical signals that could guide future treatments for stress-related anxiety and PTSD.
Who could benefit from this research
Good fit: People with anxiety disorders or post-traumatic stress disorder who experience social avoidance or exaggerated fear responses would be the most likely to benefit from therapies informed by this research.
Not a fit: Patients whose conditions do not involve stress-triggered social withdrawal or exaggerated fear (for example primarily neurodegenerative diseases or purely medical illnesses) may not benefit from findings of this project.
Why it matters
Potential benefit: If successful, this work could reveal specific brain pathways and chemical targets for new treatments to reduce social withdrawal and excessive fear in anxiety and PTSD.
How similar studies have performed: Prior animal studies have shown VTA glutamate neurons can drive stress-induced social avoidance and fear, but mapping the exact downstream pathways and neurotransmitters is a newer and less-tested step.
Where this research is happening
Boulder, UNITED STATES
- UNIVERSITY OF COLORADO — Boulder, UNITED STATES (ACTIVE)
Researchers
- Principal investigator: ROOT, DAVID H — UNIVERSITY OF COLORADO
- Study coordinator: ROOT, DAVID H
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.