• P2X7

    BzATP concentration response curve obtained from wild-type P2X7 receptors as measured on the Patchliner.

2019 - Automated Planar Patch-Clamp Recording of P2X Receptors

icon pl   Patchliner book chapter in Ion Channels (2020)

Authors: 
Milligan, C. J., Jiang L.H.

 

Book Chapter: 
In: Purinergic Signaling. Methods in Molecular Biology, vol 2041. New York, NY (2020) Chapter 21:285-300


Abstract: 

P2X receptors are a structurally and functionally distinctive family of ligand-gated ion channels that play important roles in mediating extracellular adenosine 5′-triphosphate (ATP) signaling in diverse physiological and pathophysiological processes. For several decades, the “manual” patch-clamp technique was regarded as the gold standard assay for investigating ion channel properties. More recently, breakthroughs in the development of automated patch-clamp technologies are enabling the study of ion channels, with much greater throughput capacities. These automated platforms, of which there are many, generate consistent, reliable, high-fidelity data. This chapter demonstrates the versatility of one of these technologies for ligand-gated ion channels, with a particular emphasis on protocols that address some of the issues of receptor desensitization that are commonly associated with P2X receptor-mediated currents.


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