Summary
The perfusion of the node of Ranvier with vinblastin or vincristin reduces the amplitude of the action potential within a few seconds. Vincristins is 10fold more active than vinblastin. Upon withdrawal, the effect is promptly reversible and it is antagonized by acetylcholine.
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Mitolo-Chieppa, D. The effect of vinblastin and vincristin on single nerve fibres. Experientia 33, 366–367 (1977). https://doi.org/10.1007/BF02002830
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DOI: https://doi.org/10.1007/BF02002830