Investigating how immune cells affect heart conduction in the AV node

Cardiac resident macrophages in AV node conduction

NIH-funded research Massachusetts General Hospital · NIH-10986993

This study is looking at how certain immune cells in the heart affect its rhythm, using special mice to see what happens when these cells are removed, with hopes of finding new treatments for people who have heart rhythm problems.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionMassachusetts General Hospital NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-10986993 on NIH RePORTER

What this research studies

This research explores the role of macrophages, a type of immune cell, in the atrioventricular (AV) node of the heart, which is crucial for proper heart rhythm. The study involves using genetically modified mice to observe how the depletion of these macrophages affects heart conduction and the potential for developing new therapies targeting these cells. By implanting pacemakers in these mice, researchers aim to understand the relationship between macrophages and heart function, with the goal of translating these findings into potential treatments for patients with AV conduction disorders.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals with atrioventricular conduction abnormalities or those at risk of developing such conditions.

Not a fit: Patients without any conduction disorders or those who do not have a significant risk of developing AV node issues may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to innovative therapies that improve heart conduction and reduce the need for pacemakers in patients with AV node dysfunction.

How similar studies have performed: Previous research has shown promising results in understanding the role of immune cells in heart function, suggesting that this approach could yield significant insights.

Where this research is happening

Boston, United States

Researchers

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 below.
Last reviewed 2026-06-13 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.