Understanding how heart muscle stretch affects contraction strength

Length-dependent activation in human myocardium

NIH-funded research University of Kentucky · NIH-10678926

This study is looking at how stretching heart muscle cells affects their ability to pump blood, which is especially important for people with heart failure, and it hopes to find new ways to improve heart health.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Kentucky NIH-funded
Lab location1 site (Lexington, United States)
Project IDNIH-10678926 on NIH RePORTER

What this research studies

This research investigates how stretching heart muscle cells influences their ability to contract, focusing on a phenomenon known as length-dependent activation. By using heart tissue samples from organ donors and patients undergoing heart transplants, the study aims to uncover the cellular mechanisms that affect heart function, particularly in patients with different types of heart failure. The researchers will employ advanced techniques, including computer modeling and fluorescent polarization, to analyze how these mechanisms operate at a molecular level. This work could lead to new insights into heart disease and potential therapeutic targets.

Who could benefit from this research

Good fit: Ideal candidates for this research include individuals with ischemic heart failure or those undergoing cardiac transplantation.

Not a fit: Patients with non-cardiac conditions or those without heart failure may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved treatments for heart failure, enhancing the quality of life for patients with this condition.

How similar studies have performed: Previous research has shown promising results in understanding heart muscle mechanics, suggesting that this approach could yield significant insights.

Where this research is happening

Lexington, 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 2026-06-15 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.