Human iPSC-derived cardiomyocytes: A translational model to predict drug-induced cardiac arrhythmias and long-term toxicity
Poster Sep 25, 2017
R Kettenhofen, G Luerman, R Bucerius, I Kopljar, DJ Gallacher, A De Bondt, E Vlaminckx, I Van Den Wyngaert, HR Lu, H Bohlen
Human induced pluripotent stem cell (iPSC)-derived cardiomyocytes represent a promising model for in vitro prediction of cardiac arrhythmias. Currently, two commercially available hiPSC-derived cardioymocyte products - including Axiogenesis Cor.4U human cardiomyocytes - are validated in an international multi-coresite study inside the comprehensive in vitro Pro-arrhythmia (CiPA) consortium. This aims to change the paradigm of safety pharmacological assessment from the assessment of drug interaction with the hERG channel to a potentially clinically more relevant assay system using human iPSC-derived cardiomyocytes in MEA-, voltage- and calcium-sensitive dye recordings.
Besides CiPA, a variety of oncological drugs including tyrosine kinase and HDAC inhibitors have been reported to induce long-term cardiac toxicity in the clinic. Recent findings clearly show that Cor.4U cardioymocytes can be applied to a long-term impedance assay and the results from known drugs perfectly translate to the clinical observations.
The results shown here imply that iPSC-derived Cor.4U human cardioymocytes are a translational in vitro cell model for the prediction of clinically relevant drug-induced cardiac arrhythmias and long-term toxicity.
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