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Paper
Mol. BioSyst., 2007, 3, 714 - 722, DOI: 10.1039/b706152h
Population patch clamp electrophysiology: a breakthrough technology for ion channel screening
Tim J. Dale, Claire Townsend, Emma C. Hollands and Derek J. Trezise
Population patch clamp (PPC) is a novel high throughput planar array electrophysiology technique that allows ionic currents to be recorded from populations of cells under voltage clamp. For the drug discovery pharmacologist, PPC promises greater speed and precision than existing methods for screening compounds at voltage-gated ion channel targets. Moreover, certain constitutively active or slow-ligand gated channels that have hitherto proved challenging to screen with planar array electrophysiology (e.g. SK/IK channels) are now more accessible. In this article we review early findings using PPC and provide a perspective on its likely impact on ion channel drug discovery. To support this, we include some new data on ion channel assay duplexing and on modulator assays, approaches that have thus far not been described.
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