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Aconite, in 4.50 from Paddington: Continuous Activation of Voltage-Gated Sodium Channel Saeko Kohara 1,2 1Department of Critical Care Medicine and Trauma, National Hospital Organization Disaster Medical Center 2Department of Clinical Toxicology, Saitama Medical University Keyword: トリカブト中毒 , アコニチン系アルカロイド , アコニチン , ナトリウムチャネル , 致死的不整脈 , aconite poisoning , aconitum alkaloids , aconitine , sodium channel , fatal arrhythmia pp.1335-1338
Published Date 2023/12/1
DOI https://doi.org/10.11477/mf.1416202534
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Abstract

Aconite belongs to the genus Aconitum and the Ranunculaceae family, which contains approximately 300 species worldwide. Aconite, the poison mentioned in Agatha Christie's novel 4.50 from Paddington, contains aconitum alkaloids in all parts of the plant, including the roots, stem, leaves, and flowers. Aconitum alkaloids continuously activate voltage-gated sodium channels in the myocardium, central nervous system, and skeletal muscle. Activated sodium channels trigger automaticity and cause pre-excitation of cardiomyocytes, which precipitates various types of ventricular arrhythmias.


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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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