Development of an impedance based screening assay for cardiac safety and cardiotoxicity detection in stem cell derived cardiomyocytes

Poster Description

Cardiac toxicity remains the leading cause of new drug safety side-effects. Current preclinical cardiac safety assays rely on in vitro cell-based ion channel assays and ex vivo and in vivo animal models. These assays provide an indication of acute risk but they do not always predict the effect of chronic compound exposure, as recently seen with oncology drugs. Therefore, new assays are required to characterise chronic structural and functional effects in human cells earlier in drug discovery. Impedance-based technology can provide more accurate chronic cardiotoxicity measurements in an efficient manner using human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs).

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Latest Publications
Assessing the variability of hERG data generated using a mock action potential waveform and automated patch clamp platforms

The HESI Cardiac Safety Committee present results from an international ion channel research study that assessed the variability of hERG data generated using automated patch clamp platforms (QPatch 48, Qube 384 and the SyncroPatch 384i) across four different labs.

Using high-throughput automated patch clamp electrophysiology to identify novel TREK-1 modulators in an animal venom library

We developed a high-throughput, electrophysiological assay of TREK-1 function to identify novel modulators. The assay was optimized to identify both activators and inhibitors, providing comprehensive mechanistic data for high value, limited supply screening libraries, such as the venom fraction library used in this study (Targeted Venom Discovery Array, T-VDA, Venomtech, UK).

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