How blood vessels in the heart help it grow and heal
Myovascular Mechanisms of Cardiac Growth and Regeneration
This project looks at how certain heart blood vessel cells tell heart muscle cells to multiply, aiming to help people with heart damage.
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-11253301 on NIH RePORTER |
What this research studies
As a patient, I learned that the team will read gene activity in individual heart cells and map where blood vessel cells sit in the heart to find the specific vessel cells linked to growing heart muscle. They will study how a gene-control protein called Ezh2 helps those vessel cells switch on and send growth signals to heart muscle cells. The researchers will test which secreted growth factors from those vessel cells most strongly make heart muscle cells multiply using lab and animal models and by comparing to human data. Their methods include single-cell RNA sequencing, spatial mapping, and experiments that measure how candidate factors affect heart cell growth.
Who could benefit from this research
Good fit: Adults with heart muscle damage, such as people recovering from a heart attack or living with heart failure, are the kinds of patients who might eventually benefit or enroll in related trials.
Not a fit: Patients whose problems are mainly due to valve disease or isolated electrical rhythm disorders may not see direct benefits from this line of work.
Why it matters
Potential benefit: If successful, this work could reveal signals from heart blood vessel cells that can be used to promote heart muscle repair after injury.
How similar studies have performed: Previous animal studies and early human observations link vascular signals like VEGFA to heart growth, but turning those findings into proven therapies remains experimental.
Where this research is happening
Durham, United States
- Duke University — Durham, United States (Active)
Researchers
- Principal investigator: Karra, Ravi — Duke University
- Study coordinator: Karra, Ravi
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.