How lens cells share antioxidants and signals to help prevent cataracts
Intercellular Communication in the Eye Lens
['FUNDING_R01'] · UNIVERSITY OF TEXAS HLTH SCIENCE CENTER · NIH-11250160
This project looks at how cells in the eye lens pass antioxidants and signaling molecules to keep the lens clear and reduce age-related cataracts.
Quick facts
| Phase | ['FUNDING_R01'] |
|---|---|
| Study type | Nih_funding |
| Sex | All |
| Sponsor | UNIVERSITY OF TEXAS HLTH SCIENCE CENTER (nih funded) |
| Locations | 1 site (SAN ANTONIO, UNITED STATES) |
| Trial ID | NIH-11250160 on ClinicalTrials.gov |
What this research studies
Researchers will study how gap junction proteins (connexins) and their hemichannels let antioxidants like glutathione and signaling molecules such as ATP move through the lens. They will examine how fluid flow in the lens activates these channels and how released factors support fiber-cell survival and differentiation. Work will use lab models and human lens tissue samples to trace antioxidant movement, measure cell signaling, and link these processes to protection from oxidative damage. The goal is to map the pathway that keeps inner lens cells healthy so new prevention approaches can be developed.
Who could benefit from this research
Good fit: People with or at high risk for age-related cataracts, and patients willing to donate lens tissue during cataract surgery, would be most relevant to this work.
Not a fit: Individuals with vision problems that do not involve the lens (for example retinal diseases) are unlikely to get direct benefit from this project.
Why it matters
Potential benefit: If successful, this work could point to new ways to preserve lens health and slow or prevent common age-related cataracts.
How similar studies have performed: Prior laboratory studies have shown connexin channels can release antioxidants and signaling molecules, but the complete pathway linking these events to cataract prevention remains under study.
Where this research is happening
SAN ANTONIO, UNITED STATES
- UNIVERSITY OF TEXAS HLTH SCIENCE CENTER — SAN ANTONIO, UNITED STATES (ACTIVE)
Researchers
- Principal investigator: JIANG, JEAN X — UNIVERSITY OF TEXAS HLTH SCIENCE CENTER
- Study coordinator: JIANG, JEAN X
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.