How repeated overload damages tendons and changes tendon cells
Multiscale tendon damage and aberrant cellular responses in an in vivo model of tendinosis
This project tests how repeated tendon overloading causes tiny structural damage and abnormal cell signaling that can lead to tendinosis in people with chronic tendon pain.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Delaware NIH-funded |
| Lab location | 1 site (Newark, UNITED STATES) |
| Project ID | NIH-11128789 on NIH RePORTER |
What this research studies
From a patient's perspective, researchers use a rat model that overloads one tendon to mimic the changes seen in human tendinosis. They examine damage at the tissue, micro, and molecular levels and study how that damage changes the way tendon cells sense and respond to load. The team combines mechanical testing, high-resolution imaging of collagen structure, and cellular signaling experiments to connect physical damage to altered cell behavior. These experiments aim to map the steps that turn repetitive strain into long-term tendon degeneration.
Who could benefit from this research
Good fit: People with chronic tendon overuse or tendinopathy (for example persistent Achilles or other tendon pain from repetitive activities) are the kinds of patients who could benefit from the findings and might be eligible for future related clinical studies.
Not a fit: Patients with acute traumatic tendon ruptures or conditions unrelated to overuse-driven degeneration, such as some inflammatory arthritides, may not directly benefit from these specific findings.
Why it matters
Potential benefit: If successful, this work could point to new ways to prevent or reverse tendon degeneration and reduce chronic tendon pain.
How similar studies have performed: Previous animal and laboratory studies have reproduced many features of human tendinosis, but directly linking microscale structural damage to altered in vivo cell signaling is relatively new.
Where this research is happening
Newark, UNITED STATES
- University of Delaware — Newark, United States (Active)
Researchers
- Principal investigator: Elliott, Dawn M — University of Delaware
- Study coordinator: Elliott, Dawn M
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.