NIH-funded research R01 grant

Understanding how heart pacemaker cells maintain their structure and function

Official title: Regulation of cardiac pacemaker cell cytoarchitecture

Funded at Univ of North Carolina Chapel Hill · NIH-11002672 · Data updated 2026-11-12

This study is looking at how heart cells, called cardiac pacemaker cells, work and what helps them stay healthy so they can keep your heart beating properly, which is especially important for people who might need a pacemaker.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniv of North Carolina Chapel Hill
NIH-funded
Lab location1 site (Chapel Hill, United States)
Project startApril 5, 2019
Project endFebruary 28, 2029
Funding year2025
Award (this year)$541,509
NIH project number5R01HL146626-07
Project IDNIH-11002672 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research include adults over 21 years old who have heart conditions that may involve pacemaker cell dysfunction.

Less likely to help

Patients with non-cardiac conditions or those who do not have any issues related to heart rhythm or pacemaker cells may not benefit from this research.

What this research studies

This research investigates the cellular mechanisms that allow cardiac pacemaker cells (CPCs) to generate the electrical impulses necessary for heart contractions. It aims to uncover the molecular pathways that create a supportive environment around these cells, which is crucial for their proper functioning. By studying how these cells interact with their surroundings, the research seeks to identify factors that could prevent dysfunction, which is a common cause of artificial pacemaker implantation. The approach includes examining the biomechanical properties of the extracellular matrix that surrounds CPCs and how these properties affect their health and performance.

Why it matters

Potential benefit: If successful, this research could lead to improved treatments for patients with heart conditions related to pacemaker cell dysfunction, potentially reducing the need for artificial pacemakers.

How similar studies have gone: Previous research has shown promising results in understanding cellular mechanisms related to heart function, suggesting that this approach could yield valuable insights.

Where this research is happening

  • Univ of North Carolina Chapel Hill
    Chapel Hill, United States
    Active

Researchers

  • Principal investigator: Bressan, Michael C — Univ of North Carolina Chapel Hill
  • Study coordinator: Bressan, Michael C

Related research

Other NIH-funded projects on the same topics.

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  • Biopacemakers for aging hearts using stem-cell pacemaker cells

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  • Magnesium transporter and heart pacemaker: a primate model of arrhythmias

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  • How heart pacemakers sense stretch and speed up

    A study at the University of Washington will explore how PIEZO channels in the heart’s pacemaker help the heart beat faster when the heart experiences stretch.

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About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.