How the heart's natural pacemaker develops
Transcriptional Regulation of Sinoatrial Node Development
This project looks at how the heart's natural pacemaker (the sinoatrial node) forms so researchers can find ways to prevent or reverse sinus node dysfunction that leads to pacemaker implants.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of California, San Francisco NIH-funded |
| Lab location | 1 site (San Francisco, United States) |
| Project ID | NIH-11324298 on NIH RePORTER |
What this research studies
From a patient's perspective, researchers are using new genetic tools and mouse models to track the early cells that become the heart's sinoatrial node and to map the gene switches that control their fates. The team created a mouse line that lets them mark and follow pacemaker progenitor cells and will use clonal fate mapping plus lab-grown systems to model SAN development. They plan to define the transcriptional hierarchies and spatial organization within the SAN to identify pathways that maintain or repair pacemaker cells. The hope is to reveal biological targets that could lead to future treatments to prevent or reverse sinus node dysfunction.
Who could benefit from this research
Good fit: People with sinus node dysfunction or those at high risk of needing a pacemaker are the group most likely to benefit from future therapies stemming from this work.
Not a fit: Patients with arrhythmias not caused by the sinoatrial node or those already dependent on pacemakers are unlikely to see direct benefit from this basic science project in the near term.
Why it matters
Potential benefit: If successful, this research could reveal targets for new treatments that prevent or reverse sinus node dysfunction and reduce the need for permanent pacemakers.
How similar studies have performed: Previous animal studies have identified key genes such as Isl1 and the investigators have developed a specific genetic mouse tool, but translating these findings into human treatments is still largely untested.
Where this research is happening
San Francisco, United States
- University of California, San Francisco — San Francisco, United States (Active)
Researchers
- Principal investigator: Vedantham, Vasanth — University of California, San Francisco
- Study coordinator: Vedantham, Vasanth
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.