Understanding how a specific gene affects the narrowing of artificial blood vessels used in heart surgery

Elucidating the Molecular Mechanisms Underlying LYST-mediated Tissue Engineered Vascular Graft Stenosis

NIH-funded research Research Inst Nationwide Children's Hosp · NIH-11040441

This study is looking at how a specific gene called LYST affects the narrowing of artificial blood vessels used in heart surgery for kids, with the hope of finding ways to prevent this problem and make these grafts safer and more effective for patients.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionResearch Inst Nationwide Children's Hosp NIH-funded
Lab location1 site (Columbus, United States)
Project IDNIH-11040441 on NIH RePORTER

What this research studies

This research investigates the mechanisms behind the narrowing (stenosis) of tissue-engineered vascular grafts (TEVGs) used in congenital heart surgery. It focuses on a gene called LYST, which has been found to influence the incidence of stenosis in animal models. By studying how mutations in this gene affect the immune response and the role of specific immune cells, the research aims to develop strategies to prevent this complication. The ultimate goal is to improve the safety and effectiveness of artificial blood vessels for patients undergoing heart surgery.

Who could benefit from this research

Good fit: Ideal candidates for this research are children with congenital heart defects who may require tissue-engineered vascular grafts during surgery.

Not a fit: Patients who do not have congenital heart defects or do not require vascular grafts may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to better outcomes for patients needing artificial blood vessels in heart surgery by reducing complications related to graft narrowing.

How similar studies have performed: Previous research has shown promising results in understanding the role of genetic factors in graft complications, indicating that this approach has potential for success.

Where this research is happening

Columbus, 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.