Cell signals that control scarring during tendon healing
Official title: The function of mTORC1/Stat3 signaling in the regulation of fibrovascular scar formation during tendon healing
Funded at University of Pennsylvania · NIH-11238010 · Data updated 2026-11-12
This research looks at how two cell signals, mTORC1 and Stat3, affect scarring as tendons heal to help people with tendon injuries heal stronger and with less pain.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Pennsylvania NIH-funded |
| Lab location | 1 site (Philadelphia, United States) |
| Project start | February 1, 2022 |
| Project end | November 30, 2026 |
| Funding year | 2026 |
| Award (this year) | $321,750 |
| NIH project number | 5R01AR079486-05 |
| Project ID | NIH-11238010 on NIH RePORTER |
Who could benefit from this research
✓Could help
People with tendon injuries or chronic tendon problems—such as rotator cuff tears, flexor tendon adhesions, or tendinopathy—would be the likely future candidates to benefit.
✕Less likely to help
People with conditions unrelated to tendon injury or those needing immediate surgical repair for unrelated problems are unlikely to see direct benefit from this research.
What this research studies
I would be told how researchers are studying why healed tendons form a disorganized, blood-rich scar that weakens function. The team examines how mTORC1 and Stat3 signaling control tendon cells, the extracellular matrix, and new blood vessel growth using laboratory models and tissue analyses. They will map the molecular steps downstream of mTORC1 and test whether changing Stat3 activity alters fibrovascular scar formation. The hope is to identify targets that could be developed into treatments to promote healthier tendon repair.
Why it matters
Potential benefit: If successful, this work could point to new therapies that reduce tendon scarring and improve strength, function, and pain after tendon injury.
How similar studies have gone: Related work has linked mTORC1 to tendon maturation and Stat3 to scarring in other tissues, so there is supporting evidence, but applying this pathway specifically to fibrovascular scarring in tendon healing is a novel focus.
Where this research is happening
-
University of Pennsylvania
Philadelphia, United States Active
Researchers
- Principal investigator: Dyment, Nathaniel a. — University of Pennsylvania
- Study coordinator: Dyment, Nathaniel a.
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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.