Osteopontin's role in aging eyes and macular degeneration
Deciphering the role of osteopontin in the aging eye and age-related macular degeneration
This project looks at how a protein called osteopontin affects retinal cells in older adults and may contribute to dry age-related macular degeneration.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Duke University NIH-funded |
| Lab location | 1 site (Durham, United States) |
| Project ID | NIH-11131110 on NIH RePORTER |
What this research studies
Researchers will study different forms of the protein osteopontin and how they affect retinal pigment epithelial cells and immune cells involved in dry AMD. They will use lab models, cell studies, and analysis of eye tissue samples to see how osteopontin influences inflammation, cell health, and debris clearance in the aging eye. The team aims to separate the effects of intracellular versus secreted osteopontin and how each form might help or harm retinal cells. Results will guide whether targeting specific osteopontin pathways could help prevent or slow vision loss from dry AMD.
Who could benefit from this research
Good fit: People aged 65 or older with early dry AMD or geographic atrophy (advanced dry AMD) would be the most relevant group for future clinical follow-up based on these findings.
Not a fit: Patients with neovascular (wet) AMD or unrelated eye diseases may not directly benefit from this research.
Why it matters
Potential benefit: If successful, this work could point to new targets for treatments that slow or prevent vision loss in dry AMD.
How similar studies have performed: Previous research links osteopontin to inflammation and neurodegeneration, but its specific role in dry AMD is not well defined, so this approach is promising but exploratory.
Where this research is happening
Durham, United States
- Duke University — Durham, United States (Active)
Researchers
- Principal investigator: Malek, Goldis — Duke University
- Study coordinator: Malek, Goldis
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.