Article
Coexistence of hERG current block and disruption of protein trafficking in ketoconazole-induced long QT syndrome.
British journal of pharmacology - 1 Feb 2008
Takemasa H, Nagatomo T, Abe H, Kawakami K, Igarashi T, Tsurugi T, Kabashima N, Tamura M, Okazaki M, Delisle B P, January C T, Otsuji Y
Abstract excerpt
BACKGROUND AND PURPOSE: Many drugs associated with acquired long QT syndrome (LQTS) directly block human ether-a-go-go-related gene (hERG) K(+) channels. Recently, disrupted trafficking of the hERG channel protein was proposed as a new mechanism underlying LQTS, but whether this defect coexists with the hERG current block remains unclear. This study investigated how ketoconazole, a direct hERG current inhibitor,...
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