NIH-funded research R01 grant

How a protein called Rap1 affects heart function

Official title: Endothelial Rap1 in the control of heart function

Funded at Versiti Wisconsin, INC. · NIH-11003785 · Data updated 2026-11-12

This study is looking at a protein called Rap1 to see how it helps heart cells talk to each other and affects blood flow, which could lead to better treatments for heart disease and heart failure.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionVersiti Wisconsin, INC.
NIH-funded
Lab location1 site (Milwaukee, United States)
Project startJanuary 19, 2022
Project endDecember 31, 2025
Funding year2025
Award (this year)$664,924
NIH project number5R01HL157893-04
Project IDNIH-11003785 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals with cardiovascular diseases or those at risk of developing heart failure.

Less likely to help

Patients with non-cardiovascular conditions or those without any heart-related issues may not benefit from this research.

What this research studies

This research investigates the role of a protein called Rap1 in heart function, particularly how it influences the communication between heart endothelial cells and heart muscle cells. By studying the effects of Rap1 on nitric oxide production, which is crucial for blood flow and heart muscle health, the research aims to uncover mechanisms that could lead to better heart function. The approach includes examining how the deletion of Rap1 affects heart contractility and the risk of heart failure. Patients may benefit from insights gained about heart disease and potential new treatments.

Why it matters

Potential benefit: If successful, this research could lead to new strategies for treating heart failure and improving heart function.

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

Where this research is happening

  • Versiti Wisconsin, INC.
    Milwaukee, United States
    Active

Researchers

  • Principal investigator: Chrzanowska, Magdalena — Versiti Wisconsin, INC.
  • Study coordinator: Chrzanowska, Magdalena

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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.
Last reviewed 2026-11-14 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.