Local anaesthetics transiently block currents through single acetylcholine-receptor channels.


1. Single channel currents through acetylcholine receptor channels (ACh channels) were recorded at chronically denervated frog muscle extrajunctional membranes in the absence and presence of the lidocaine derivatives QX-222 and QX-314. 2. The current wave forms due to the opening and closing of single ACh channels (activated by suberyldicholine) normally… (More)


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