Electrophysiological Properties of Embryonic Stem Cells During Differentiation Into Cardiomyocyte-Like Cell Types
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The method described here to differentiate mouse embryonic stem (ES) cells into cardiomyocytes is adapted from Maltsev et
al. and results in a high percentage of spontaneously beating cardiomyocyte-like cells. In order to determine to what extent
the differentiating ES cells resemble true cardiomyocytes, the cells were electrophysiologically characterized during differentiation,
using the whole-cell variant of the patch-clamp technique. Action potentials (APs) and membrane currents were recorded and
analyzed off-line to determine electrophysiological changes during development.
