NIH-funded research R01 grant

Understanding how human heart pacemaker cells develop

Official title: Dissecting the molecular pathways controlling human pacemaker development

Funded at Weill Medical Coll of Cornell Univ · NIH-11388364 · Data updated 2026-11-12

Scientists are studying how the human heart’s natural pacemaker forms, which could lead to better treatments for rhythm problems.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionWeill Medical Coll of Cornell Univ
NIH-funded
Lab location1 site (New York, United States)
Project startJuly 15, 2026
Project endMarch 31, 2028
Funding year2026
Award (this year)$1,657,587
NIH project number1R01HL186602-01
Project IDNIH-11388364 on NIH RePORTER

Who could benefit from this research

Could help

Patients with sinus node dysfunction or other rhythm disorders who may benefit from future pacemaker-related therapies.

Less likely to help

Individuals without rhythm problems or those not contributing to pediatric or stem-cell studies may not directly benefit.

What this research studies

This project looks at how pacemaker cells in the human heart develop and what controls their formation. Researchers will use stem cells and advanced gene-editing tools to model pacemaker tissues and test how different genes affect their growth. The goal is to identify key regulators that guide pacemaker cell development and to create lab models that mimic human SAN tissue. Findings could pave way for new therapies for sinus node dysfunction and reduce reliance on artificial pacemakers in the long run.

Why it matters

Potential benefit: If successful, the work could lead to new ways to repair or replace the heart’s natural pacemaker.

How similar studies have gone: Previous studies using stem cells and organoid models have shown promise in recreating pacemaker-like cells, but human-specific mechanisms remain to be clarified.

Where this research is happening

  • Weill Medical Coll of Cornell Univ
    New York, United States
    Active

Researchers

  • Principal investigator: Chen, Shuibing — Weill Medical Coll of Cornell Univ
  • Study coordinator: Chen, Shuibing

Related research

Other NIH-funded projects on the same topics.

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  • Understanding how specialized heart pacemaker cells drive rhythm and dysfunction

    This NIH grant explores how distinct heart pacemaker cell subtypes contribute to normal rhythm and sinus node dysfunction, with the goal of guiding better treatments for heart rhythm problems.

    NIH research University of California, San Francisco · San Francisco, United States · NIH-11382758

  • Biopacemakers for aging hearts using stem-cell pacemaker cells

    Aims to help older patients with a faulty heart rhythm by using lab-made pacemaker cells grown from patients’ own stem cells.

    NIH research University of California at Davis · Davis, United States · NIH-11374738

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

    A physician-scientist at Stanford is studying how a magnesium transporter affects the heart's natural pacemaker rhythm in primate-like models to better understand human arrhythmias.

    NIH research Stanford University · Stanford, United States · NIH-11372213

  • 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.

    NIH research University of Washington · Seattle, United States · NIH-11369783

  • Protecting the heart's natural pacemaker cells

    Researchers are looking at how the heart’s natural pacemaker cells and their supporting tissue stay protected from mechanical stress to help adults with pacemaker problems.

    NIH research Univ of North Carolina Chapel Hill · Chapel Hill, United States · NIH-11308244

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.