Measuring how retinal cells release a key neurotransmitter for vision

Using optical sensors to measure synaptic glutamate release from retinal rod photoreceptor cells

NIH-funded research University of Nebraska Medical Center · NIH-11039154

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 typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Nebraska Medical Center NIH-funded
Lab location1 site (Omaha, United States)
Project IDNIH-11039154 on NIH RePORTER

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.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals with retinal disorders that affect synaptic transmission and visual processing.

Not a fit: Patients with conditions unrelated to retinal function or those who do not have retinal disorders may not benefit from this research.

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 performed: 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

Omaha, 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.