How Creb5 helps keep joint cartilage healthy
The Role of Creb5 in Maintaining Synovial Joint Homeostasis
Researchers are looking at a molecule called Creb5 to learn how it helps keep joint cartilage healthy and may protect against arthritis.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Harvard Medical School NIH-funded |
| Lab location | 1 site (Boston, United States) |
| Project ID | NIH-11091995 on NIH RePORTER |
What this research studies
If you have joint pain, this project focuses on how Creb5 controls the cells that make lubricin, the natural lubricant that protects joint surfaces. The team will use lab experiments, animal models, and tissue studies to trace the superficial cartilage cells that produce Prg4/lubricin and to map the genes Creb5 controls. They build on prior findings showing Prg4-expressing cells act as progenitors for deeper cartilage and that loss of lubricin links to joint damage in aging and arthritis. The work aims to identify molecular switches that could be targeted to preserve the cartilage surface.
Who could benefit from this research
Good fit: Adults with or at risk for osteoarthritis or other degenerative joint conditions, or people willing to donate joint tissue or synovial fluid samples, would be most relevant to this work.
Not a fit: Patients seeking immediate treatments or whose joint problems are unrelated to cartilage lubrication or surface integrity are unlikely to receive direct benefit from this basic research.
Why it matters
Potential benefit: If successful, the research could point to ways to preserve or restore the lubricating layer on joint cartilage and help prevent or slow arthritis.
How similar studies have performed: Previous studies show Prg4/lubricin is important for joint health and that Prg4-positive cells serve as cartilage progenitors, but targeting Creb5 as a key regulator is a novel, mechanistic approach.
Where this research is happening
Boston, United States
- Harvard Medical School — Boston, United States (Active)
Researchers
- Principal investigator: Lassar, Andrew Bruce — Harvard Medical School
- Study coordinator: Lassar, Andrew Bruce
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.