Cytomegalovirus in the eye and its link to age-related macular degeneration
Ocular MCMV latency and AMD-like pathology
This project looks at whether a common herpesvirus that can persist in eye cells contributes to the inflammation and abnormal blood vessels seen in age-related macular degeneration in older adults.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Augusta University NIH-funded |
| Lab location | 1 site (Augusta, United States) |
| Project ID | NIH-11303299 on NIH RePORTER |
What this research studies
You should know scientists are using mouse models where cytomegalovirus infects and becomes latent in the retinal pigment epithelium and choroid to mimic features of human AMD. They combine viral latency with stressors like light damage and genetic depletion of an antioxidant enzyme in retinal cells to see if the virus reactivates and sparks inflammatory and blood-vessel changes. The team will track retinal and choroidal structure, deposits, degeneration of supporting cells, and lesions similar to choroidal neovascularization as the mice age. Results will be compared with human findings linking cytomegalovirus antibodies and viral DNA in eye tissue to clarify possible viral contributions to AMD.
Who could benefit from this research
Good fit: This work is most relevant to older adults with age-related macular degeneration or people with signs of choroidal neovascularization and evidence of prior cytomegalovirus exposure.
Not a fit: Because this is preclinical laboratory research using mouse models, patients seeking immediate therapeutic benefits are unlikely to benefit directly.
Why it matters
Potential benefit: If confirmed, this work could point to viral-driven inflammation as a target for preventing or treating some forms of AMD.
How similar studies have performed: Previous human studies have reported associations between cytomegalovirus markers and neovascular AMD and prior mouse work has produced AMD-like changes after CMV infection, but a direct causal role in people remains unproven.
Where this research is happening
Augusta, United States
- Augusta University — Augusta, United States (Active)
Researchers
- Principal investigator: Zhang, Ming — Augusta University
- Study coordinator: Zhang, Ming
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.