How two eye proteins (CRX and NRL) control light-sensing cells
Molecular underpinnings of photoreceptor transcriptional regulation by CRX and NRL
Researchers are learning how two key eye proteins work together to control photoreceptor cells so we can better understand inherited retinal blindness.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Iowa NIH-funded |
| Lab location | 1 site (Iowa City, United States) |
| Project ID | NIH-11249558 on NIH RePORTER |
What this research studies
Scientists will determine the detailed 3D shapes of the CRX and NRL proteins when they are bound to DNA using crystallography and solution-based methods. They will also solve the shape of the three-part complex (CRX, NRL, and DNA) to see how the proteins interact. Lab experiments will then test how disease-related mutations change DNA binding and gene regulation using follow-up biochemical and high-throughput assays. The goal is to link specific mutations to how photoreceptor genes are misregulated in inherited retinal diseases.
Who could benefit from this research
Good fit: People with inherited retinal diseases such as retinitis pigmentosa, cone-rod dystrophy, or Leber congenital amaurosis — especially those with known or suspected CRX or NRL gene variants — would be most relevant to this research.
Not a fit: Patients with non-genetic vision loss or retinal conditions unrelated to CRX/NRL changes are unlikely to gain direct benefit from this specific project in the near term.
Why it matters
Potential benefit: If successful, this work could reveal exactly how mutations cause inherited retinal disorders and point to new targets for genetic diagnosis or therapies.
How similar studies have performed: Previous research has linked CRX and NRL to photoreceptor development and disease, but solving the atomic-level structures of their DNA-bound complexes and directly linking mutations to altered DNA binding is a novel effort.
Where this research is happening
Iowa City, United States
- University of Iowa — Iowa City, United States (Active)
Researchers
- Principal investigator: Artemyev, Nikolai O — University of Iowa
- Study coordinator: Artemyev, Nikolai O
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 below.