Boosting cell membrane repair with caspase signals
Membrane repair boosted by caspase signaling
This work looks at whether the protein caspase-7 helps cells repair their outer membrane so tissues suffer less damage during programmed cell death.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Duke University NIH-funded |
| Lab location | 1 site (Durham, United States) |
| Project ID | NIH-11231654 on NIH RePORTER |
What this research studies
Researchers at Duke will use lab-grown epithelial cells and animal models to watch how caspase-7 changes the way cells disassemble and then repair their membranes during extrusion and apoptosis. They will manipulate caspase-7 activity and measure membrane-repair steps, contractile actomyosin rings, and enzymes like acid sphingomyelinase. The team will track how slowing or speeding this process affects formation of apoptotic blebs and successful removal of dying cells. Findings will be based on cellular imaging, biochemical assays, and genetic or pharmacologic perturbations.
Who could benefit from this research
Good fit: Patients with conditions marked by excessive epithelial cell death or tissue blistering—for example certain inflammatory bowel diseases or genetic skin blistering disorders—would be most relevant to this research.
Not a fit: People with conditions unrelated to epithelial cell death or membrane repair (for example isolated neurological disorders without epithelial involvement) are unlikely to gain direct benefit from this work.
Why it matters
Potential benefit: If successful, this could point to new ways to protect tissues by improving cell membrane repair in diseases where excessive cell death causes damage, such as some inflammatory bowel disorders or blistering skin diseases.
How similar studies have performed: Previous research established caspases as drivers of cell death, but the idea that caspase-7 can delay death to enable membrane repair is a recent finding and remains an emerging, not yet widely validated, concept.
Where this research is happening
Durham, United States
- Duke University — Durham, United States (Active)
Researchers
- Principal investigator: Miao, Edward a — Duke University
- Study coordinator: Miao, Edward a
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.