How potassium channels change shape to control electrical signals in cells
Structural Basis of Coupling and Dynamics in K+ Channels
Researchers are mapping how potassium channels move and work to help people with seizures, muscle stiffness, or heart rhythm problems.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Chicago NIH-funded |
| Lab location | 1 site (Chicago, United States) |
| Project ID | NIH-11160474 on NIH RePORTER |
What this research studies
You would hear that scientists are looking at potassium channels—the gates that control electrical signals in cells—at the atomic level to see how they open, close, and inactivate. They will use protein structures from bacteria and other systems and examine channels embedded in membranes and ordered lattices to capture key shapes. The team will test a proposed sliding helix movement in voltage sensors to explain how charge moves during gating and compare sensors that move different amounts. This work focuses on basic molecular movements rather than testing treatments in people.
Who could benefit from this research
Good fit: People with genetic or suspected potassium channel–related conditions such as certain epilepsies, hereditary cardiac arrhythmias, or muscle hyperexcitability would be most relevant to this research.
Not a fit: People whose conditions are unrelated to potassium channel dysfunction are unlikely to see direct benefits from this project.
Why it matters
Potential benefit: If successful, the work could reveal how faulty potassium channels cause seizures or arrhythmias and point to new targets for drugs or diagnostics.
How similar studies have performed: High-resolution structural studies of potassium channels have previously revealed important mechanisms, so this project builds on established methods while addressing new questions about dynamic movements.
Where this research is happening
Chicago, United States
- University of Chicago — Chicago, United States (Active)
Researchers
- Principal investigator: Perozo, Eduardo a — University of Chicago
- Study coordinator: Perozo, Eduardo a
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.