Investigating how immune cells affect heart changes in atrial fibrillation

Macrophage heterogeneity in atrial remodeling

NIH-funded research Massachusetts General Hospital · NIH-10893514

This study is looking at how certain immune cells in the heart might affect changes that happen during atrial fibrillation, with the hope of finding new ways to help people with this condition, using tissue samples from patients having heart surgery.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionMassachusetts General Hospital NIH-funded
Lab location1 site (Boston, United States)
Project IDNIH-10893514 on NIH RePORTER

What this research studies

This research focuses on understanding the role of macrophages, a type of immune cell, in the changes that occur in the heart's atria during conditions like atrial fibrillation. By using advanced techniques such as single-cell RNA sequencing, researchers will analyze how these cells contribute to heart remodeling and the development of fibrosis. The study aims to identify specific macrophage subsets that may promote or inhibit these harmful changes, potentially leading to new therapeutic strategies for patients with atrial fibrillation. Patients undergoing heart surgery will provide human tissue samples to enhance the findings from animal models.

Who could benefit from this research

Good fit: Ideal candidates for this research are patients with atrial fibrillation or other related atrial diseases who are undergoing heart surgery.

Not a fit: Patients without atrial fibrillation or those not undergoing any cardiac procedures may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new treatments that prevent or reverse atrial remodeling, improving heart function and reducing the risk of stroke in patients with atrial fibrillation.

How similar studies have performed: Previous research has shown promising results in understanding the role of immune cells in heart diseases, suggesting that this approach could lead to significant advancements in treatment.

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.