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Автор Clancy, Colleen E.
Автор Kurokawa, Junko
Автор Tateyama, Michihiro
Автор Wehrens, Xander H.T.
Автор Kass, Robert S.
Дата выпуска 2003
dc.description ▪ Abstract  Pharmacological intervention, often for the purpose of treating syndromes unrelated to cardiac disease, can increase the vulnerability of some patients to life-threatening rhythm disturbances. This may be due to an underlying propensity stemming from genetic defects or polymorphisms, or structural abnormalities that provide a substrate allowing for the initiation of arrhythmic triggers. A number of pharmacological agents that have proven useful in the treatment of allergic reactions, gastrointestinal disorders, and psychotic disorders, among others, have been shown to reduce repolarizing K<sup>+</sup> currents and prolong the QT interval on the electrocardiogram. Understanding the structural determinants of K<sup>+</sup> channel blockade may provide new insights into the mechanism and rate-dependent effects of drugs on cellular physiology. Drug-induced disruption of cellular repolarization underlies electrocardiographic abnormalities that are diagnostic indicators of arrhythmia susceptibility.
Формат application.pdf
Издатель Annual Reviews
Копирайт Annual Reviews
Название K<sup>+</sup> CHANNEL STRUCTURE-ACTIVITY RELATIONSHIPS AND MECHANISMS OF DRUG-INDUCED QT PROLONGATION
DOI 10.1146/annurev.pharmtox.43.100901.140245
Print ISSN 0362-1642
Журнал Annual Review of Pharmacology and Toxicology
Том 43
Первая страница 441
Последняя страница 461
Аффилиация Clancy, Colleen E.; Department of Pharmacology, College of Physicians and Surgeons, Columbia University, New York, New York 10032; e-mail: cc2114@columbia.edu jk878@columbia.edu mt768@columbia.edu xw80@columbia.edu rsk20@columbia.edu

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