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Outward stabilization of the S4 segments in domains III and IV enhances lidocaine block of sodium channels

The anti-arrhythmic drug lidocaine has been shown to have a lower affinity for block of voltage-gated sodium channels at hyperpolarized potentials compared to depolarized potentials. Concomitantly, lidocaine reduces maximum gating charge (Q(max)) by 40% resulting from the complete stabilization of t...

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Bibliografiske detaljer
Main Authors: Sheets, Michael F, Hanck, Dorothy A
Format: Artigo
Sprog:Inglês
Udgivet: Blackwell Science Inc 2007
Fag:
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC2075305/
https://ncbi.nlm.nih.gov/pubmed/17510181
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1113/jphysiol.2007.134262
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