Effects of an hERG activator, ICA-105574, on electrophysiological properties of canine hearts.


In short QT syndrome, inherited gain-of-function mutations in the human ether a-gogo-related gene (hERG) K(+) channel have been associated with development of fatal arrhythmias. This implies that drugs that activate hERG as a side effect may likewise pose significant arrhythmia risk. hERG activators have been found to have diverse mechanisms of activation… (More)


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