Published June 9, 2022 | Version 2
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Impedance-based transport assay for SLC22A3 using HEK293 JumpIn SLC22A3 OE cells

  • 1. Division of Drug Discovery and Safety, Leiden Academic Centre for Drug Research, Leiden University, the Netherlands

Description

xCELLigence is a label-free, impedance-based, real-time and non-invasive assay with which whole cell responses can be detected upon cell stimulation. Cells are seeded in wells containing gold- plated electrodes. Changes in cell properties such as proliferation, viability, morphology and adhesion can be accurately measured with xCELLigence. Read-outs of this assay can be potency values (EC50, IC50), which are calculated using either the RTCA software or GraphPad Prism. HEK293-JumpIn-OCT3 is an adherent human embryonic kidney cell line generated by RESOLUTE, which is transfected with the human Organic Cation Transporter 3 (OCT3) gene (SLC22A3) in a doxycycline-inducible expression system. This assay can be used to determine the potency (EC50) of MPP+ uptake by JumpIn-OCT3 cells. Furthermore, this assay can be used to study OCT3 inhibitors and determine their pIC50.

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Assays_RESOLUTE_SLC22A3.pdf

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Additional details

Related works

Funding

European Commission
ReSOLUTE – Research empowerment on solute carriers (ReSOLUTE) 777372