How sodium channels in blood-vessel lining cells affect artery stiffness
Epithelial sodium channels in endothelial cells and arterial stiffening
This work looks at whether blocking specific sodium channels in the cells that line blood vessels can reduce artery stiffening linked to obesity and related heart and blood vessel problems.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Missouri-Columbia NIH-funded |
| Lab location | 1 site (Columbia, United States) |
| Project ID | NIH-11302705 on NIH RePORTER |
What this research studies
From a patient viewpoint, the team is examining how a hormone receptor and linked sodium channels in blood-vessel lining cells make arteries stiffer in obesity. They focus on a cell enzyme (ECUSP8) that prevents breakdown of those channels, how the channels move inside cells, and how tiny vesicles carrying channel proteins affect neighboring vessel cells. The researchers use laboratory models to change the receptor, the enzyme, and the channels to measure effects on cell and vessel stiffness, inflammation, and oxidative stress. Results may point to drugs that interrupt this pathway to help keep arteries more flexible.
Who could benefit from this research
Good fit: People with obesity who have signs of arterial stiffness or increased cardiovascular risk would be the most relevant candidates for future therapies informed by this work.
Not a fit: People whose artery stiffness stems from unrelated genetic connective-tissue disorders or who have healthy, flexible arteries are less likely to benefit from these specific findings.
Why it matters
Potential benefit: If successful, this research could point to new treatments that prevent or reverse artery stiffening in people with obesity, lowering their risk of heart attack and stroke.
How similar studies have performed: Earlier animal and cell studies have tied mineralocorticoid receptors and epithelial sodium channels to vessel stiffening, but targeting ECUSP8 and exosomal channel trafficking is a newer and less-tested approach.
Where this research is happening
Columbia, United States
- University of Missouri-Columbia — Columbia, United States (Active)
Researchers
- Principal investigator: Jia, Guanghong — University of Missouri-Columbia
- Study coordinator: Jia, Guanghong
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.