How limbal fibroblasts help maintain corneal stem cells
The role of limbal fibroblasts for the maintenance of limbal stem cells
This research looks at how nearby support cells in the eye keep corneal stem cells healthy for people with limbal stem cell deficiency.
Quick facts
| Grant type | R21 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Washington NIH-funded |
| Lab location | 1 site (Seattle, United States) |
| Project ID | NIH-11329414 on NIH RePORTER |
What this research studies
From a patient perspective, the team will study limbal fibroblasts — cells at the edge of the cornea — to learn how they support limbal stem cells and the signals they release such as FGF7. They plan to use laboratory models (cell-based work and likely animal experiments) to see how changing fibroblast behavior affects stem cell survival and corneal surface repair. The researchers aim to identify ways to boost the eye’s natural niche or create less invasive therapies than donor transplants. Ultimately this work is meant to guide new treatments that reduce transplant complications and the need for donor tissue.
Who could benefit from this research
Good fit: People with limbal stem cell deficiency (LSCD), particularly those with bilateral disease or recurrent corneal surface problems, would be most relevant.
Not a fit: People whose vision loss is due to retinal disease, optic nerve damage, or other conditions not involving the corneal surface are unlikely to benefit from this research.
Why it matters
Potential benefit: If successful, this work could lead to treatments that protect or restore corneal stem cells, improving vision and reducing reliance on donor transplants.
How similar studies have performed: Existing treatments like limbal tissue transplants and cultured cell grafts have helped some patients, but directly targeting limbal fibroblasts is a newer approach with limited clinical testing to date.
Where this research is happening
Seattle, United States
- University of Washington — Seattle, United States (Active)
Researchers
- Principal investigator: Sasamoto, Yuzuru — University of Washington
- Study coordinator: Sasamoto, Yuzuru
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.