How viruses may slip into the brain through tiny meningeal exit points
Meningeal Immunity and Viral Neuropathogenesis
['FUNDING_R01'] · WASHINGTON UNIVERSITY · NIH-11171635
This project looks at whether small openings in the brain’s protective coverings let neurotropic viruses enter the brain, which matters for people who get infections like alphaviruses or flaviviruses.
Quick facts
| Phase | ['FUNDING_R01'] |
|---|---|
| Study type | Nih_funding |
| Sex | All |
| Sponsor | WASHINGTON UNIVERSITY (nih funded) |
| Locations | 1 site (SAINT LOUIS, UNITED STATES) |
| Trial ID | NIH-11171635 on ClinicalTrials.gov |
What this research studies
The team will map and study arachnoid cuff exit (ACE) points, a newly described link between the brain coverings and the body, to see if viruses use them to move from the periphery into the central nervous system. They will use laboratory models, tissue analysis, viral tracing, and detailed gene-expression (transcriptional) profiling to track virus movement and immune responses in meninges and brain. The researchers will compare infections that happen early in life to later infections to see if early exposure changes how meningeal immunity develops and increases later vulnerability. Most of the work is preclinical and will be done in lab facilities at Washington University, so direct patient procedures will likely be limited to sample donation or collaboration sites.
Who could benefit from this research
Good fit: People affected by or at risk for neurotropic viral infections (for example alphavirus or flavivirus exposures) would be most directly connected to the questions this research addresses.
Not a fit: Patients seeking immediate clinical treatment for neurological symptoms or those with non-infectious neurological conditions should not expect direct or immediate benefit from this basic science research.
Why it matters
Potential benefit: If successful, this work could reveal a new route viruses use to enter the brain and point toward ways to block that route to prevent or lessen meningitis and encephalitis.
How similar studies have performed: Previous studies have described cellular ways viruses cross the blood-brain barrier, but the ACE anatomical route and the idea that early-life infections shape meningeal immunity are novel and not yet proven.
Where this research is happening
SAINT LOUIS, UNITED STATES
- WASHINGTON UNIVERSITY — SAINT LOUIS, UNITED STATES (ACTIVE)
Researchers
- Principal investigator: DIAMOND, MICHAEL S — WASHINGTON UNIVERSITY
- Study coordinator: DIAMOND, MICHAEL S
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.
Conditions: Alphavirus Infections