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Cardiovascular & Hematological Agents in Medicinal Chemistry


ISSN (Print): 1871-5257
ISSN (Online): 1875-6182

Preclinical Testing of Drug-Induced Proarrhythmia: Value of Transgenic Models

Author(s): L. Fabritz, G. Breithardt and P. Kirchhof

Volume 5, Issue 4, 2007

Page: [289 - 294] Pages: 6

DOI: 10.2174/187152507782109881

Price: $65


Drug-induced proarrhythmia is a serious medical problem that causes relevant morbidity and mortality. It is also a relevant problem for the development of novel pharmacological compounds. Therefore, there is a need for sensitive, specific and high-throughput preclinical tests to detect a risk for drug-induced proarrhythmia early in the development of new drugs. The review focuses on the potential role of transgenic models with altered repolarisation but without overt structural heart disease for drug-induced proarrhythmia screening. Today, selected murine models with alterations in K+, Na+ channels and ankyrin are available. In the future, transgenic rabbit and Zebra fish models may also be used.

Keywords: Drug-induced proarrhythmia, repolarisation, long QT syndrome, action potential prolongation, torsades de pointes, transgenic model, experimental model, ion channels

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