How calmodulin controls calcium signals in heart muscle cells
Regulation and Dysregulation of Cardiac EC coupling by Calmodulin
This work looks at how the small protein calmodulin helps heart muscle cells handle calcium, which matters for people with heart rhythm or pumping problems.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Ohio State University NIH-funded |
| Lab location | 1 site (Columbus, UNITED STATES) |
| Project ID | NIH-11314580 on NIH RePORTER |
What this research studies
This project examines why three identical calmodulin genes exist and how their different RNA regions direct where calmodulin and its partner proteins are made inside heart cells. The team studies how RNA binding proteins gather specific calmodulin-related mRNAs into local clusters (called interactosomes or tranlatosomes) so the required proteins are produced together in the same place and time. Researchers use molecular biology, advanced live-cell imaging, and custom analysis software to visualize these RNA and protein interactions inside cardiac myocytes. The goal is to show how proper or improper local production of calmodulin-related proteins affects calcium coupling and heart cell function.
Who could benefit from this research
Good fit: Adults with heart rhythm disorders or cardiomyopathies linked to problems in calcium handling or calmodulin-related genes would be most relevant.
Not a fit: People without heart disease or whose conditions are unrelated to calcium signaling likely would not gain direct benefit from this work.
Why it matters
Potential benefit: If successful, this work could reveal new targets or strategies to prevent or treat heart rhythm and pumping problems caused by misregulated calcium signaling.
How similar studies have performed: Calmodulin's central role in heart function is well established, but the specific idea that different calmodulin gene RNAs form local translation clusters is novel and less tested.
Where this research is happening
Columbus, UNITED STATES
- Ohio State University — Columbus, United States (Active)
Researchers
- Principal investigator: Gyorke, Sandor — Ohio State University
- Study coordinator: Gyorke, Sandor
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 below.