How mechanical stress on heart muscle cells affects heart health
Official title: Mechanical Load Effects on Cardiac Function and Heart Diseases
Funded at University of California at Davis · NIH-11307656 · Data updated 2026-11-12
Researchers are looking at how physical pressure on heart muscle cells changes their electrical signals and contractions, which could help people with high blood pressure or weakened hearts.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of California at Davis NIH-funded |
| Lab location | 1 site (Davis, United States) |
| Project start | March 1, 2023 |
| Project end | February 28, 2030 |
| Funding year | 2026 |
| Award (this year) | $1,087,577 |
| NIH project number | 5R35HL166575-04 |
| Project ID | NIH-11307656 on NIH RePORTER |
Who could benefit from this research
✓Could help
People with conditions that increase mechanical load on the heart—such as hypertension, dilated cardiomyopathy, or HFpEF—are the most likely eventual candidates for therapies arising from this work.
✕Less likely to help
Patients whose heart problems are primarily genetic electrical channelopathies or unrelated to mechanical overload may be less likely to benefit directly from this research.
What this research studies
The team is developing a lab method that places single heart muscle cells in a gel to mimic the mechanical pressure they experience during each heartbeat. They will record electrical activity, calcium signaling, and contraction while changing the load on individual cells to see how these systems talk to each other. The work focuses on mechanisms that can lead to arrhythmias and different forms of heart failure when the heart is overloaded. Findings may reveal molecular targets for future treatments to protect the heart from mechanical stress.
Why it matters
Potential benefit: If successful, this work could identify new ways to prevent or treat arrhythmias and heart failure caused by mechanical overload such as from high blood pressure or cardiomyopathy.
How similar studies have gone: Prior laboratory work has examined electrical and calcium signaling in heart cells, but the single-cell 'Cell-in-Gel-TR' approach to control mechanical load is a novel technique that has not yet been translated to patients.
Where this research is happening
-
University of California at Davis
Davis, United States Active
Researchers
- Principal investigator: Chen-Izu, Ye — University of California at Davis
- Study coordinator: Chen-Izu, Ye
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About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page.