Toluene's effects on brain blood vessels
Ionic mechanisms of toluene cerebrovascular actions
This project looks at how inhaling toluene makes brain blood vessels tighten and lowers blood flow, which can help people exposed to poisonous fumes.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Tennessee Health Sci Ctr NIH-funded |
| Lab location | 1 site (Memphis, United States) |
| Project ID | NIH-11295453 on NIH RePORTER |
What this research studies
Researchers will use laboratory and animal experiments to see how a single, large exposure to toluene causes arteries in the brain to constrict. They will examine artery tissue and the potassium channels (BK channels) in the smooth muscle that normally help vessels relax or tighten. The team will test how two parts of the BK channel (the cbv1 pore subunit and the regulatory β1 subunit) change the artery response to toluene using isolated vessels and live rodents. The goal is to explain why toluene can cause dangerous drops in brain blood flow and to point toward ways to protect people from lasting brain injury.
Who could benefit from this research
Good fit: The findings are most relevant to people who have had acute toluene inhalation (inhalant abuse or accidental exposure) or who are at risk of such exposure.
Not a fit: People with neurological problems unrelated to toluene exposure or unrelated to brain blood-flow changes are unlikely to receive direct benefit from this work.
Why it matters
Potential benefit: If successful, this work could point to new ways to prevent loss of brain blood flow and reduce long-term brain damage after acute toluene poisoning.
How similar studies have performed: Previous work mostly focused on toluene effects on neurons rather than blood vessels, so this vascular BK-channel approach is relatively novel and not yet proven in patients.
Where this research is happening
Memphis, United States
- University of Tennessee Health Sci Ctr — Memphis, United States (Active)
Researchers
- Principal investigator: Dopico, Alex — University of Tennessee Health Sci Ctr
- Study coordinator: Dopico, Alex
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.