How kidney pressure sensors control renin and blood pressure
Panx1-PIEZO1 Interactions Regulate Renin Release
This work looks at how tiny pressure-sensing proteins in kidney cells control renin release to help people with high blood pressure.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Virginia NIH-funded |
| Lab location | 1 site (Charlottesville, United States) |
| Project ID | NIH-11101124 on NIH RePORTER |
What this research studies
From your perspective, researchers are studying juxtaglomerular (JG) kidney cells that release renin, a key hormone that raises blood pressure. They focus on two proteins, Panx1 and the mechanically sensitive PIEZO1, to see how physical pressure and a signaling enzyme called PKA change renin release. The team will use lab-grown cells and mouse models and will compare males and females because estrogen receptor alpha may change how these channels work. Results aim to point to new ways to modulate the renin–angiotensin–aldosterone system for better blood pressure control.
Who could benefit from this research
Good fit: Adults with hypertension, especially those whose blood pressure is suspected to be driven by the renin–angiotensin–aldosterone system, would be the most relevant group to follow or consider for future trials.
Not a fit: People whose high blood pressure is caused by non-RAAS problems (for example structural kidney disease, certain hormonal disorders, or medication effects) or those needing immediate blood-pressure treatment are unlikely to benefit directly.
Why it matters
Potential benefit: If successful, this could identify new targets to better control renin release and lead to improved treatments for hypertension.
How similar studies have performed: Prior studies show mechanosensitive PIEZO channels affect kidney signaling, but linking PIEZO1 to Panx1 and regulation by estrogen receptor alpha is largely a new direction.
Where this research is happening
Charlottesville, United States
- University of Virginia — Charlottesville, United States (Active)
Researchers
- Principal investigator: Isakson, Brant E — University of Virginia
- Study coordinator: Isakson, Brant E
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.