Measuring how retinal cells release a key neurotransmitter for vision
Official title: Using optical sensors to measure synaptic glutamate release from retinal rod photoreceptor cells
Funded at University of Nebraska Medical Center · NIH-11039154 · Data updated 2026-11-12
This study is looking at how special cells in the eye called rod photoreceptors send signals to help us see, using a unique mouse model to measure the release of a key chemical called glutamate, which could help improve treatments for vision problems.
Quick facts
| Grant type | R21 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Nebraska Medical Center NIH-funded |
| Lab location | 1 site (Omaha, United States) |
| Project start | January 1, 2025 |
| Project end | December 31, 2026 |
| Funding year | 2025 |
| Award (this year) | $190,538 |
| NIH project number | 1R21EY037036-01 |
| Project ID | NIH-11039154 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates for this research are individuals with retinal disorders that affect synaptic transmission and visual processing.
✕Less likely to help
Patients with conditions unrelated to retinal function or those who do not have retinal disorders may not benefit from this research.
What this research studies
This research investigates how rod photoreceptor cells in the retina release glutamate, a neurotransmitter essential for transmitting visual information. By using a genetically modified mouse model with a specialized sensor, the study aims to measure glutamate release at the synapses of these cells. This optical approach allows researchers to overcome challenges associated with traditional electrophysiological methods, providing insights into how the retina processes light signals. Understanding this mechanism could lead to advancements in treating visual disorders related to synaptic transmission.
Why it matters
Potential benefit: If successful, this research could enhance our understanding of visual processing and lead to new treatments for retinal diseases.
How similar studies have gone: Previous research using optical sensors in other parts of the retina has shown promise, indicating potential success for this novel approach.
Where this research is happening
-
University of Nebraska Medical Center
Omaha, United States Active
Researchers
- Principal investigator: Thoreson, Wallace B — University of Nebraska Medical Center
- Study coordinator: Thoreson, Wallace B
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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.