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首页> 外文期刊>Journal of cardiovascular electrophysiology >Differential Effects of the /J-Adrenoceptor Blockers Carvedilol and Metoprolol on SQT1- and SQT2-Mutant Channels
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Differential Effects of the /J-Adrenoceptor Blockers Carvedilol and Metoprolol on SQT1- and SQT2-Mutant Channels

机译:/ J-肾上腺素受体阻滞剂卡维地洛和美托洛尔对SQT1和SQT2突变通道的差异作用

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摘要

beta-Blocker Effects on SQTS-Mutant K~+ Channels. Background: N588K-KCNH2 and V307L-KCNQ1 mutations lead to a gain-of-function of I_(Kr) and I_(Ks) thus causing short-QT syndromes (SQT1, SQT2). Combined pharmacotherapies using K+-channel-blockers and beta-blockers are effective in SQTS. Since (5-blockers can block I_(Kr) and I_(ks), we aimed at determining carvedilol's and metoprolol's electrophysiological effects on N588K-KCNH2 and V307L-KCNQ1 channels.
机译:β-阻滞剂对SQTS突变K〜+通道的影响。背景:N588K-KCNH2和V307L-KCNQ1突变导致I_(Kr)和I_(Ks)的功能获得,从而导致短QT综合征(SQT1,SQT2)。使用K +通道阻滞剂和β阻滞剂的联合药物治疗在SQTS中有效。由于(5-阻滞剂可以阻断I_(Kr)和I_(ks),因此我们旨在确定卡维地洛和美托洛尔对N588K-KCNH2和V307L-KCNQ1通道的电生理作用。

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