Smad4: keeping the cornea's support tissue healthy
Smad4 is a master regulator for extracellular matrix homeostasis in the corneal stroma
This project looks at how the protein Smad4 controls the cornea's supporting tissue and how that could matter for people with corneal thinning or vision problems.
Quick facts
| Grant type | R21 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Cincinnati NIH-funded |
| Lab location | 1 site (Cincinnati, United States) |
| Project ID | NIH-11262292 on NIH RePORTER |
What this research studies
Researchers are using mouse models that lack Smad4, Tbr1, or both to see how the corneal stroma (the clear support layer of the eye) changes. They examine tissue structure, extracellular matrix production and breakdown, and molecular signaling in the cornea using genetic and laboratory methods. By comparing different knockout mice and measuring markers of matrix synthesis and degradation, they hope to pinpoint how Smad4 balances these processes. The work aims to reveal mechanisms that underlie corneal thinning and suggest points for future therapies.
Who could benefit from this research
Good fit: People with corneal thinning conditions (for example keratoconus or unexplained stromal thinning) who are interested in research on underlying causes might be candidates to learn about related future studies.
Not a fit: People without corneal stromal disease or whose vision loss is due to unrelated eye problems are unlikely to see direct benefit from this basic research.
Why it matters
Potential benefit: If successful, this work could point to new ways to prevent or treat corneal thinning and protect or restore vision.
How similar studies have performed: Previous laboratory studies have linked TGF-β/Smad signaling to corneal cell behavior, but this specific role of Smad4 as a master balance for matrix synthesis and degradation is a newer idea being tested.
Where this research is happening
Cincinnati, United States
- University of Cincinnati — Cincinnati, United States (Active)
Researchers
- Principal investigator: Liu, Chia-Yang — University of Cincinnati
- Study coordinator: Liu, Chia-Yang
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.