HIF1's role in helping tendon attach to bone
Regulation of Tendon Enthesis Development and Healing via HIF1
This project looks at whether boosting the protein HIF1 can help the Achilles tendon reattach to bone and heal stronger in adults with tendon injuries.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Michigan at Ann Arbor NIH-funded |
| Lab location | 1 site (Ann Arbor, United States) |
| Project ID | NIH-11294289 on NIH RePORTER |
What this research studies
Researchers will use mouse models and lab-grown tendon-bone tissues to study a low-oxygen cell niche at the tendon-to-bone attachment (enthesis) and how the protein HIF1 supports cell survival there. They will remove or increase HIF1 in enthesis progenitor cells to see how that affects cell survival, extracellular matrix production, and mechanical integration of tendon into bone. The team will combine genetic mouse experiments with 3-D cell culture and tissue analyses to measure structural and biomechanical outcomes after injury. The goal is to define HIF1-dependent mechanisms that could guide better tendon-to-bone repair strategies.
Who could benefit from this research
Good fit: People with Achilles tendon tears or other tendon-to-bone injuries who are adults could be the eventual candidates for therapies that come from this research.
Not a fit: Patients without tendon-to-bone attachment problems or those seeking an immediate clinical therapy are unlikely to get direct benefit from this basic laboratory research right now.
Why it matters
Potential benefit: If successful, this work could lead to new treatments that improve tendon-to-bone healing and lower the risk of re-rupture after Achilles injuries.
How similar studies have performed: Preclinical mouse experiments by the investigators show that increasing Hif1a can rescue enthesis cells after injury, but human treatments based on this approach have not yet been tested.
Where this research is happening
Ann Arbor, United States
- University of Michigan at Ann Arbor — Ann Arbor, United States (Active)
Researchers
- Principal investigator: Killian, Megan L. — University of Michigan at Ann Arbor
- Study coordinator: Killian, Megan L.
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.