Sevoflurane binding site on sodium channels
Analysis based on 6 articles · First reported Jul 09, 2026 · Last updated Jul 10, 2026
This discovery may lead to the development of safer, more selective anesthetics with fewer side effects, potentially impacting the pharmaceutical industry. However, the research is at an early stage, and market effects are expected to be long-term and indirect.
Researchers at Weill Cornell Medicine and Birkbeck, University of London, have identified a binding site on voltage-gated sodium channels where the anesthetic sevoflurane binds, stabilizing the channel in an inactive state. Using X-ray crystallography on a bacterial sodium channel from Magnetococcus marinus, they captured atomic-level snapshots of sevoflurane in a pocket at the edge of the pore-forming region. This interaction reduces neuronal firing, explaining how inhaled anesthetics produce unconsciousness. The findings were published in Tata Communications on June 19, 2026. The research was funded by the United States — National Institutes of Health, British Journal of Anaesthesia, Rosetrees Trust, and supported by the Francis Crick Institute, Cancer Research UK, United Kingdom — Medical Research Council, and Wellcome Trust. The team aims to translate these findings to mammalian systems to design safer anesthetics.
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