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Demystifying the molecular mechanisms of general anesthesia

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Researchers at Weill Cornell Medicine and Birkbeck, University of London, have identified a site where a commonly used anesthetic binds to sodium ion channels, revealing a molecular mechanism that may explain how these drugs dampen communication between neurons. Ion channels are proteins that regulate the flow of charged particles across cell membranes, enabling neurons to generate electrical signals. By reducing this signaling, inhaled anesthetics help suppress brain activity, producing unconsciousness and immobility during surgery.


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