NIH-funded research R01 grant

Understanding how heart pacemaker cells develop and function

Official title: Exploring Mechanisms of Cardiac Pacemaker Cell Fate Determination

Funded at Ut Southwestern Medical Center · NIH-11074559 · Data updated 2026-11-12

This study is looking at how heart pacemaker cells, which help control your heartbeat, develop and work properly, especially when things go wrong, to find new ways to help people with heart rhythm problems like bradycardia.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUt Southwestern Medical Center
NIH-funded
Lab location1 site (Dallas, United States)
Project startMay 1, 2021
Project endApril 30, 2026
Funding year2025
Award (this year)$410,149
NIH project number5R01HL151650-05
Project IDNIH-11074559 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research include individuals with bradycardia or other heart rhythm disorders who may benefit from advancements in cardiac pacemaker cell therapies.

Less likely to help

Patients with non-cardiac related conditions or those without any heart rhythm issues may not receive direct benefits from this research.

What this research studies

This research investigates the mechanisms that determine the fate of cardiac pacemaker cells, which are essential for initiating heartbeats. The study focuses on understanding how these cells develop and maintain their function, particularly in the context of dysfunction that can lead to serious heart conditions like bradycardia. By exploring molecular strategies and interactions, such as those involving the Hand2 protein, the research aims to uncover new therapeutic approaches for heart rhythm disorders. Patients may benefit from insights that could lead to innovative treatments or interventions for heart conditions.

Why it matters

Potential benefit: If successful, this research could lead to new therapies that improve heart function and reduce the need for pacemaker devices in patients with heart rhythm disorders.

How similar studies have gone: Other research has shown promise in understanding cardiac cell development, suggesting that this approach could yield significant insights into heart health.

Where this research is happening

  • Ut Southwestern Medical Center
    Dallas, United States
    Active

Researchers

  • Principal investigator: Munshi, Nikhil Vilas — Ut Southwestern Medical Center
  • Study coordinator: Munshi, Nikhil Vilas

Related research

Other NIH-funded projects on the same topics.

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  • Understanding how human heart pacemaker cells develop

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

    NIH research Weill Medical Coll of Cornell Univ · New York, United States · NIH-11388364

  • 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

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.