Subtype-specific Optical Action Potential Recordings in Human Induced Pluripotent Stem Cell-derived Ventricular CardiomyocytesAlexander Goedel *1,2, Dorota M. Zawada *1, Fangfang Zhang 1, Zhifen Chen 3, Alessandra Moretti 1,2, Daniel Sinnecker 1,2
1Medical Department I, University Hospital Klinikum rechts der Isar, Technical University of Munich, 2German Centre for Cardiovascular Research (DZHK), Munich Heart Alliance, 3Beth Israel Deaconess Medical Center, Harvard Medical School
Here we present a method to optically image action potentials, specifically in ventricular-like induced pluripotent stem cell-derived cardiomyocytes. The method is based on the promoter-driven expression of a voltage-sensitive fluorescent protein.