Description
HypaconitineisaditerpenealkaloidoriginallyfoundinAconitumthatactsasaneuromuscularjunctionblocker.Hypaconitineinhibitsendplatepotentialsinisolatedphrenicnerve-diaphragmmuscles.Hypaconitineinduceslong-termopeningofNa+channels,causingmembranedepolarizationandpreventingrepolarization.
References
MuroiM,KimuraI,KimuraM.Blockingeffectsofhypaconitineandaconitineonnerveactionpotentialsinphrenicnerve-diaphragmmusclesofmice.Neuropharmacology.1990Jun;29(6):567-72.PMID:2385329.
KimuraM,MuroiM,KimuraI,etal.Hypaconitine,thedominantconstituentresponsIBLefortheneuromuscularblockingactionoftheJapanese-sinomedicine"bushi"(aconiteroot).JpnJPharmacol.1988Oct;48(2):290-3.PMID:3210453.