How voltage-gated ion channels open, close, and respond to signals
Biophysical mechanisms of gating and modulation in voltage-gated ion channel superfamily
This project aims to learn how membrane ion channels change with voltage, temperature, and binding so people with conditions like heart rhythm problems or certain nerve disorders could benefit from better-targeted treatments.
Quick facts
| Grant type | NIH-funded research |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Washington University NIH-funded |
| Lab location | 1 site (Saint Louis, United States) |
| Project ID | NIH-11345294 on NIH RePORTER |
What this research studies
From my perspective as a patient, the researchers study proteins in cell membranes called voltage-gated ion channels that control electrical signals in heart and brain cells. They use a mix of laboratory techniques — including detailed physical measurements, structural information, and new analytical tools — to probe how these channels open and close and how temperature or chemicals change their behavior. The team focuses on the molecular forces and protein movements that standard structure snapshots can miss. Their multi-pronged lab work aims to connect basic physical behavior to the kinds of dysfunctions that cause disease.
Who could benefit from this research
Good fit: People most relevant to this line of research would include those with inherited or acquired ion channel disorders, for example certain heart rhythm disorders (arrhythmias) or nerve/brain channelopathies such as some forms of epilepsy or pain syndromes.
Not a fit: Patients with conditions that are not caused by ion channel dysfunction or who need immediate clinical treatment are unlikely to get direct benefit from this basic lab research.
Why it matters
Potential benefit: If successful, this work could reveal precise molecular steps to target with new drugs or improve existing treatments for ion-channel-related diseases like some arrhythmias and neurological channelopathies.
How similar studies have performed: Previous structural and biophysical studies of ion channels have produced important insights and led to drug development, but the focus on temperature sensitivity, dynamics, and the detailed molecular forces here is relatively novel.
Where this research is happening
Saint Louis, United States
- Washington University — Saint Louis, United States (Active)
Researchers
- Principal investigator: Chanda, Baron — Washington University
- Study coordinator: Chanda, Baron
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.