How gut chemicals and immune cells influence salt-related high blood pressure
Gut Metabolites, T cells, and Salt-Sensitive Hypertension
This research looks at whether gut-derived molecules and a type of immune cell called CD4+ T cells cause blood pressure to rise in people who are sensitive to salt.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Augusta University NIH-funded |
| Lab location | 1 site (Augusta, United States) |
| Project ID | NIH-11253283 on NIH RePORTER |
What this research studies
This project uses a rat model that mimics human salt-sensitive high blood pressure to explore how gut metabolites and CD4+ T cells interact. Investigators will examine whether reactive oxygen made by the NOX2 enzyme in infiltrating T cells raises kidney blood vessel resistance, lowers filtration, causes sodium retention, and raises blood pressure after high-salt feeding. They will use animal experiments including adoptive transfer of immune cells and measurements of blood pressure, kidney function (GFR), and blood and tissue markers to track these changes. Although mostly done in animals, the work aims to link diet, immunity, and hypertension in ways that could point toward future human tests.
Who could benefit from this research
Good fit: People whose blood pressure rises strongly with salt intake (salt-sensitive hypertension) would be the main group that might benefit from this line of research.
Not a fit: Patients with blood pressure that is not affected by salt, or those needing immediate treatment changes, are unlikely to get direct benefit from this basic research in the short term.
Why it matters
Potential benefit: If confirmed, findings could point to new treatments or dietary strategies to prevent or lessen salt-sensitive high blood pressure and kidney damage.
How similar studies have performed: Previous animal studies have linked immune cells to hypertension, but the specific role of gut metabolites and T-cell NOX2 in salt-sensitive blood pressure is a newer, mainly preclinical finding.
Where this research is happening
Augusta, United States
- Augusta University — Augusta, United States (Active)
Researchers
- Principal investigator: Mattson, David L. — Augusta University
- Study coordinator: Mattson, David L.
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.