Kidney T cells that promote salt retention and raise blood pressure
T cell homing to the kidney contributes to salt retention and blood pressure regulation
This project looks at whether certain immune T cells that settle in the kidney cause the body to hold onto more salt and raise blood pressure in people with hypertension.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Univ of Arkansas for Med Scis NIH-funded |
| Lab location | 1 site (Little Rock, United States) |
| Project ID | NIH-11309676 on NIH RePORTER |
What this research studies
Researchers will study how CD8+ T cells move into and stay in the kidney and how that changes the kidney's handling of salt and blood pressure. They will test a specific cell pathway (P2X7-triggered calcium entry and an ATP feedback loop) that may keep these T cells active and create long-lived kidney-resident T cells. The team will use lab models and molecular techniques to manipulate the pathway and measure effects on salt retention and blood pressure. Their goal is to explain why high blood pressure can persist or come back after stopping medications and to identify new targets for treatment.
Who could benefit from this research
Good fit: Adults with high blood pressure, especially those with salt-sensitive or treatment-resistant hypertension, would be the most relevant patient group for this work.
Not a fit: People without hypertension or whose high blood pressure has no link to kidney immune activity or salt sensitivity may not gain direct benefit from these findings.
Why it matters
Potential benefit: If successful, this work could point to new treatments that reduce salt-driven rises in blood pressure or prevent long-lasting immune-driven high blood pressure.
How similar studies have performed: Previous animal studies have connected kidney-infiltrating T cells to higher blood pressure, but targeting the P2X7/ATP activation pathway and kidney-resident memory T cells is a newer approach that is not yet proven in humans.
Where this research is happening
Little Rock, United States
- Univ of Arkansas for Med Scis — Little Rock, United States (Active)
Researchers
- Principal investigator: Mu, Shengyu — Univ of Arkansas for Med Scis
- Study coordinator: Mu, Shengyu
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.