Y Chromosome Loss in Blood and Heart Health

Mosaic loss of Y chromosome in blood and heart failure

NIH-funded research University of Virginia · NIH-11112387

This research explores how losing the Y chromosome in blood cells might affect heart health as people get older.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Virginia NIH-funded
Lab location1 site (Charlottesville, United States)
Project IDNIH-11112387 on NIH RePORTER

What this research studies

As we age, changes in our DNA can build up in blood cells, and one common change is the loss of the Y chromosome in some blood cells, known as mLoY. While mLoY has been linked to various age-related diseases and overall health, we don't yet know if it directly causes heart problems. This project uses animal models to understand if mLoY plays a role in heart failure and how it might do so.

Who could benefit from this research

Good fit: This foundational research does not involve human participants, but future studies based on these findings might focus on older men with heart failure or those at risk.

Not a fit: Patients who are not male or whose heart failure is clearly linked to other known causes may not directly benefit from this specific line of inquiry.

Why it matters

Potential benefit: If successful, this work could reveal a new cause for heart failure in men, potentially leading to new ways to prevent or treat the condition.

How similar studies have performed: While mLoY has been observed in epidemiological studies, its direct causal link to cardiovascular disease and the underlying mechanisms are largely unknown, making this a novel area of investigation.

Where this research is happening

Charlottesville, 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 2026-06-10 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.