NIH-funded research R01 grant

Investigating how microRNAs communicate between retinal cells to reduce inflammation and injury

Official title: Extracellular microRNA-mediated intercellular communication between retinal microglia and RPE

Funded at University of Oklahoma Hlth Sciences Ctr · NIH-11195714 · Data updated 2026-11-12

This study is looking at how tiny molecules called microRNAs move between important eye cells to help keep your retina healthy, and it hopes to find new ways to treat age-related macular degeneration by using special vesicles from retinal cells to reduce inflammation and injury in the eye.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Oklahoma Hlth Sciences Ctr
NIH-funded
Lab location1 site (Oklahoma City, United States)
Project startSeptember 30, 2024
Project endApril 30, 2028
Funding year2025
Award (this year)$425,794
NIH project number5R01EY035855-02
Project IDNIH-11195714 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are older adults experiencing age-related macular degeneration or related retinal conditions.

Less likely to help

Patients with retinal conditions unrelated to aging or those who do not have any retinal diseases may not benefit from this research.

What this research studies

This research focuses on understanding how small RNA molecules called microRNAs are transferred between retinal pigment epithelium (RPE) cells and microglia, which are crucial for maintaining retinal health. The study aims to explore the potential of engineered extracellular vesicles derived from RPE to communicate with microglia and mitigate retinal inflammation and injury. By examining the effects of these vesicles on aging retinal microglia, the research seeks to uncover new therapeutic strategies for age-related macular degeneration. Patients may benefit from insights gained about cellular communication in the retina and potential new treatments.

Why it matters

Potential benefit: If successful, this research could lead to innovative therapies that improve retinal health and reduce the impact of age-related macular degeneration.

How similar studies have gone: Previous studies have shown promise in using extracellular vesicles for cellular communication and therapeutic applications, indicating a potential for success in this novel approach.

Where this research is happening

  • University of Oklahoma Hlth Sciences Ctr
    Oklahoma City, United States
    Active

Researchers

  • Principal investigator: Cai, Jiyang — University of Oklahoma Hlth Sciences Ctr
  • Study coordinator: Cai, Jiyang

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.
Last reviewed 2026-11-14 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.