How cartilage cells sense pressure via Piezo1 and Piezo2
Piezo1 and Piezo2-dependent cartilage health and disease
This research will find out if two pressure-sensing proteins, Piezo1 and Piezo2, protect cartilage or cause damage in people with or at risk for osteoarthritis.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Rochester NIH-funded |
| Lab location | 1 site (Rochester, United States) |
| Project ID | NIH-11307085 on NIH RePORTER |
What this research studies
The team is studying two pressure-sensing proteins, Piezo1 and Piezo2, that live in cartilage cells and may control how cartilage reacts to loading, exercise, or injury. They will work with lab-grown human cartilage cells, animal models of joint injury, and cartilage samples to see how these proteins change in injured, diseased, or exercised joints. The researchers will test a peptide that blocks Piezo channels (shown to reduce cell death in lab tests) and use imaging and mechanical tests to measure cartilage damage and cell responses. Overall the goal is to link molecular changes in Piezo1/2 with how cartilage survives or degrades under stress.
Who could benefit from this research
Good fit: People with knee injuries (including prior ACL injury), early osteoarthritis, or those at risk for cartilage degeneration would be the most relevant candidates to follow or potentially participate in related clinical work.
Not a fit: People without cartilage problems or whose joint pain is driven mainly by systemic inflammatory diseases not linked to mechanical sensing may be less likely to benefit directly from these findings.
Why it matters
Potential benefit: If successful, this work could point to new ways to protect cartilage and slow or prevent osteoarthritis, potentially leading to treatments that keep knees and other joints healthier longer.
How similar studies have performed: Early laboratory and animal studies show blocking Piezo channels can reduce cartilage cell death after injury, but translating this into human therapies is still novel and unproven.
Where this research is happening
Rochester, United States
- University of Rochester — Rochester, United States (Active)
Researchers
- Principal investigator: Lee, Whasil — University of Rochester
- Study coordinator: Lee, Whasil
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.