Fine particle air pollution and inflammation in tiny brain blood vessels
Fine particulate matter exposure and small cerebrovascular inflammation
This project looks at whether breathing fine particle air pollution causes inflammation in the brain's tiny blood vessels that could lead to memory and thinking problems.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Nebraska Medical Center NIH-funded |
| Lab location | 1 site (Omaha, United States) |
| Project ID | NIH-11401647 on NIH RePORTER |
What this research studies
From a patient's perspective, researchers expose mice to fine particulate air pollution similar to what people breathe and then examine tiny brain blood vessels for inflammation and oxidative stress. They measure blood levels of inflammatory proteins such as TNF-α, IL-6, and IL-1β and test the animals for memory and learning problems. The team compares responses between male and female mice and uses genetically altered mice that lack specific inflammatory signals to see which molecules drive the damage. Results aim to clarify how pollution might cause small-vessel brain injury that contributes to cognitive decline.
Who could benefit from this research
Good fit: Although the current work uses mice, people most relevant would be older adults or anyone with long-term exposure to high levels of fine particle air pollution who are concerned about memory loss or small-vessel brain disease.
Not a fit: Patients whose cognitive problems are caused entirely by non-vascular genetic conditions may not receive direct benefit from these findings.
Why it matters
Potential benefit: If confirmed, this work could identify specific inflammatory targets to prevent or reduce pollution-related small-vessel brain injury and cognitive decline.
How similar studies have performed: Previous animal studies have linked fine particle exposure to cognitive harm, but focusing on small-vessel inflammation and the sex-specific roles of TNF-α versus IL-6 is a relatively new approach.
Where this research is happening
Omaha, United States
- University of Nebraska Medical Center — Omaha, United States (Active)
Researchers
- Principal investigator: Liu, Zhenguo — University of Nebraska Medical Center
- Study coordinator: Liu, Zhenguo
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.