• SyncroPatch 384/768i

    APC with highest throughput on the market
  • SyncroPatch 384/768i

    384 cells in parallel => upgradable to 768
  • SyncroPatch 384/768i

    True HTS AND Gigaohm seals
  • SyncroPatch 384/768i

    Analysis Software even more powerful than before
  • SyncroPatch 384/768i

    Assay flexibility via high tech

2018 - Combining electrophysiology and contractility recordings for more complete assessment of hiPSC-CMs

icon sp96   SyncroPatch 384PE (a predecessor model of the SyncroPatch 384i),   icon pl   Patchliner and   Icon CardioExcyte 96 simpel RGB   CardioExcyte 96 poster, Europhysiology Meeting 2018  logo pdf   (1.4 MB)


Human induced pluripotent stem cells (hiPSCs) are becoming increasingly important for cardiac safety testing due to their recapitulation of native behaviour, relative abundance and ease-of-use. We combine automated patch clamp (APC), impedance and extracellular field potential (EFP) measurements to study hiPSC-derived cardiomyocytes (hiPSC-CMs) from different sources. In line with the comprehensive in vitro proarrhythmia assay (CiPA) initiative, cardiac ion channels expressed in heterologous expression systems have been recorded on APC devices at room temperature and at physiological temperature and the effect of different pro-arrhythmic compounds on ion channels was investigated. In addition hiPSC-CMs were used on APC platforms recording from 8 or 384 wells simultaneously. Voltage-gated Na+ (NaV), Ca2+ (CaV) and K+ (KV) currents were recorded in voltage-clamp and action potentials recorded in current clamp mode. Using the dynamic clamp technique coupled with an APC device, electrically modelled IK1 was injected into the cell under current clamp conditions and this resulted in a more hyperpolarized and stable resting membrane potential. Within the myocyte phase II study of the CiPA initiative, a device combining impedance-based contractility and extracellular field potential (EFP) recordings was used to investigate the effects of different compounds deemed low, intermediate and high risk by the FDA. Different hiPSC-CMs were used in a large cross-site evaluation and the results are summarised here.

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