How immune cells in the retina respond when light-sensing cells are dying

Cellular and Molecular Dynamics of Retinal Microglial in the Context of Photoreceptor Degeneration

NIH-funded research Duke University · NIH-11192288

This work looks at how retinal immune cells clear dying photoreceptors to help people with age-related macular degeneration and inherited retinal degenerations.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionDuke University NIH-funded
Lab location1 site (Durham, United States)
Project IDNIH-11192288 on NIH RePORTER

What this research studies

From your perspective, researchers are following immune cells called microglia to see how they remove dead photoreceptor debris and protect remaining retinal cells. They use animal models of photoreceptor degeneration and single-cell RNA sequencing to map microglia behavior and gene activity. The team also examines human donor (postmortem) AMD eyes for matching molecular markers and tissue patterns. Their goal is to identify the cellular signals that could be targeted to slow or prevent vision loss.

Who could benefit from this research

Good fit: People with age-related macular degeneration or inherited photoreceptor degenerations, and those willing to consider tissue donation for research, are the most relevant groups.

Not a fit: People without retinal degeneration or those seeking an immediate treatment are unlikely to see direct benefit from this research now.

Why it matters

Potential benefit: If successful, this work could point to new ways to prevent secondary damage in retinal diseases and slow vision loss.

How similar studies have performed: Previous animal and human tissue studies have suggested microglia can protect photoreceptors, but translating these findings into treatments is still early and largely unproven.

Where this research is happening

Durham, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions Alzheimer disease dementiaAlzheimer syndromeAlzheimer's Disease
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.