• Our CiPA Instruments

    Patchliner & SyncroPatch 384PE (CiPA ion channel working group); CardioExcyte 96 (CiPA myocyte working group)

  • CiPA hERG Protocol

    This protocol was used for hERG studies on the Patchliner and SyncroPatch 384PE.

  • HTS CiPA hERG Assay

    Effects of Cisapride using the CiPA hERG protocol on the SyncroPatch 384PE

  • Myocyte & Ion Channel Effects

    Arrhythmic Field potentials in iPSC-derived Cardiomyocytes (CardioExcyte 96) and hERG current inhibition (SyncroPatch 384PE)

  • Gigaseal HTS patch clamp

    CiPA-specified cardiac ion channels recorded at high throughput

  • Gigaseal HTS patch clamp

    High throughput recordings of cardiac ion channels at physiological temperature

  • CardioExcyte 96 screening tool

    CardioExcyte 96 with integrated liquid handling for cardiac safety screening

Cardiac Ion Channels - "High Throughput Screening of Cardiac Ion Channels"

icon sp96   SyncroPatch 384PE   icon pl   Patchliner   Icon CE   CardioExcyte 96 application note   logo pdf   (2.3 MB)

Summary:

In 2013 the Cardiac Safety Research Consortium (CSRC), the Health and Environmental Sciences Institute (HESI), and the US Food and Drug Administration (FDA) proposed a new paradigm to improve assessment of the proarrythmic risk of therapeutic compounds. Until now, drug safety testing has focussed on interaction with the hERG channel and QT prolongation which can lead to potentially fatal torsades de pointes (TdP). Although this approach has been largely successful in preventing new drugs reaching the market with unexpected potential to cause TdP, it is also possible that potentially valuable therapeutics have failed due to this early screening. The new paradigm, the Comprehensive In-vitro Proarrhythmia Assay (CiPA) was introduced to provide a more complete assessment of proarrythmic risk by evaluating and implementing currently available high throughput methods. An important part of this remains electrophysiological evaluation of not only hERG, but also other cardiac channels including NaV1.5, CaV1.2, KVLQT1 and Kir2.1. Additionally, new technologies, such as impedance measurements, and cells such as stem cell-derived cardiomyocytes, may provide useful tools for high throughput safety assessment. Here, we present high quality data with reliable pharmacology on hERG expressing CHO cells, NaV1.5, CaV1.2 or KVLQT1 expressed in HEK293 cells and Kir2.1 expressed in RBL cells on the SyncroPatch 384PE or Patchliner. Additionally, electrophysiological recordings on the Patchliner and Impedance measurements on the CardioExcyte 96 of stem cell-derived cardiomyocytes are shown.

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