Automated electrophysiological assays are of great importance for modern drug discovery, and various approaches have been developed into practical devices. Here, we describe the automation of two-electrode voltage-clamp (TEVC) recording from Xenopus oocytes using the Roboocyte automated workstation, jointly developed by Multi Channel Systems and Bayer Technology Services. We briefly discuss the technology, including its advantages and limitations relative to patch clamp and other TEVC systems. We provide a step-by-step description of typical operating procedures and show that the Roboocyte represents a practical and highly effective way to perform automated electrophysiology in an industrial setting.
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http://dx.doi.org/10.1007/978-1-59745-529-9_6 | DOI Listing |
Methods Mol Biol
December 2008
Multi Channel Systems MCS GmbH, Germany.
Automated electrophysiological assays are of great importance for modern drug discovery, and various approaches have been developed into practical devices. Here, we describe the automation of two-electrode voltage-clamp (TEVC) recording from Xenopus oocytes using the Roboocyte automated workstation, jointly developed by Multi Channel Systems and Bayer Technology Services. We briefly discuss the technology, including its advantages and limitations relative to patch clamp and other TEVC systems.
View Article and Find Full Text PDFAssay Drug Dev Technol
October 2004
NMI Natural and Medical Sciences Institute at the University of Tübingen, 72770 Reutlingen, Germany.
As numerous diseases have been shown to be related to dysfunction of ion channels and neurotransmitter receptors and to affect regulatory pathways, ion channels have attracted increasing attention as a target class for drug discovery. The concomitant demand of the pharmaceutical industry for adequate electrophysiological methods to investigate drug effects on specific ion channels in secondary and safety screening has resulted in the development of electrophysiological instrumentation that allows automated monitoring of ion channel function with a higher throughput. Here we tested a fully automated screening system based on the Xenopus laevis oocyte expression system.
View Article and Find Full Text PDFRecept Channels
July 2003
Bayer Technology Services, Biophysics Group, Leverkusen, Germany.
Membrane-bound neurotransmitter receptors and ion channels are among the most numerous and important drug targets, and electrophysiological methods are the gold standard for the study of their functional properties and their response to drugs. However, electrophysiological measurements are usually performed one at a time by highly skilled individuals, and secondary functional screening is often hampered by this lack of throughput. Accordingly, the use of automated procedures to increase the efficiency of electrophysiological techniques is of great interest.
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