Human retinal immune cells grown inside mice

Chimeric model for study of human retinal microglia in vivo

NIH-funded research Utah State Higher Education System--University of Utah · NIH-11262217

Researchers will place human retinal immune cells into mice to see how they act after optic nerve injury, with the goal of helping people with retinal nerve damage.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUtah State Higher Education System--University of Utah NIH-funded
Lab location1 site (Salt Lake City, United States)
Project IDNIH-11262217 on NIH RePORTER

What this research studies

From my perspective as a patient, scientists will make blood-forming cells from human stem cells and introduce them into newborn mice so human microglia can develop in the mouse retina. They will map where those human cells settle and whether they change nearby retinal tissue. The team will read the activity of individual human cells using single-cell RNA sequencing and compare those patterns to human microglia. Then they will cause a well-known optic nerve injury in the mice to see how the human cells respond to retinal nerve damage.

Who could benefit from this research

Good fit: People with retinal ganglion cell injury or optic nerve disease, or individuals willing to donate blood or skin cells for creating patient-derived stem cells, would be most relevant to this work.

Not a fit: Patients seeking immediate treatment for vision loss or those with eye conditions unrelated to retinal nerve damage (for example, routine refractive errors or cataracts) are unlikely to benefit directly from this project.

Why it matters

Potential benefit: If successful, this could reveal how human retinal immune cells react to nerve injury and guide new treatments for optic nerve diseases like glaucoma or optic neuropathy.

How similar studies have performed: Related approaches transplanting human microglia-like cells into mouse brains have shown engraftment and informative results, but applying this specifically to the retina and testing responses to optic nerve injury is relatively new.

Where this research is happening

Salt Lake City, 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.
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.