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Alkaloids from Aconitum sp., used as analgesics in traditional Chinese medicine, were investigated to elucidate their antinociceptive and toxic properties considering: (1) binding to Na+ channel epitope site 2, (2) alterations in synaptosomal Na+ and Ca2+ concentration ([Na+]i, [Ca2+]i), (3) arrhythmogenic action of isolated atria, (4) antinociceptive and(More)
Extracts of the plant Aconitum spec. are used in traditional Chinese medicine predominantly as anti-inflammatory and analgesic agents, the latter allegedly equally potent as morphine but without any habit-forming potential. As the only pharmacologically active compounds, the C19 diterpenoid alkaloid aconitine, and some of its derivatives, have been proven(More)
The effects of the Aconitum alkaloid 6-benzoylheteratisine on the aconitine-, veratridine-, oubain- and KCl-induced alterations in free synaptosomal Na + ([Na+]i) and Ca2+ ([Ca2+]i) and the release of endogenous glutamate from rat cerebrocortical synaptosomes were investigated. [Na+]i and [Ca2+]i were fluorometrically determined employing SBFI and Fura-2 as(More)
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