How traumatic brain injury changes serotonin-producing brain cells
No REST for 5-HT Neurons Following Traumatic Brain Injury
['FUNDING_R01'] · UNIVERSITY OF CINCINNATI · NIH-11181294
Researchers are looking at how a switch called REST changes serotonin brain cells after a head injury to help people with long-term mood, anxiety, or social problems after TBI.
Quick facts
| Phase | ['FUNDING_R01'] |
|---|---|
| Study type | Nih_funding |
| Sex | All |
| Sponsor | UNIVERSITY OF CINCINNATI (nih funded) |
| Locations | 1 site (CINCINNATI, UNITED STATES) |
| Trial ID | NIH-11181294 on ClinicalTrials.gov |
What this research studies
This project uses a laboratory model of closed-head traumatic brain injury to follow what happens to serotonin (5-HT) neurons that help regulate mood and social behavior. The team measures changes in gene activity with RNA sequencing and uses immunohistology to map which serotonin neuron subtypes are altered after injury. They focus on a transcription factor called NRSF/REST that appears to suppress key serotonin-related genes after TBI. By linking these molecular changes to serotonin signaling, the work aims to explain why common antidepressants often fail after brain injury and point toward new treatment targets.
Who could benefit from this research
Good fit: People with a history of traumatic brain injury who have ongoing mood, anxiety, or social difficulties—especially those who did not respond well to standard SSRI treatments—would be the most relevant group for future clinical work informed by this research.
Not a fit: People without a history of traumatic brain injury or whose symptoms are caused by unrelated medical conditions are unlikely to benefit directly from this specific line of research.
Why it matters
Potential benefit: If successful, this work could point to new targets or strategies to treat depression, anxiety, and social problems that persist after traumatic brain injury.
How similar studies have performed: Prior research links serotonin changes to post-TBI mood problems, but focusing on NRSF/REST in serotonin neurons is a relatively new and largely preclinical direction.
Where this research is happening
CINCINNATI, UNITED STATES
- UNIVERSITY OF CINCINNATI — CINCINNATI, UNITED STATES (ACTIVE)
Researchers
- Principal investigator: ROBSON, MATTHEW — UNIVERSITY OF CINCINNATI
- Study coordinator: ROBSON, MATTHEW
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.