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Ion Channel Drug Discovery and Research: The Automated Nano-Patch- ClampO Technology

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Unlike the genomics revolution, which was largely enabled by a single technological advance (high throughput sequencing), rapid advancement in proteomics will require a broader effort to increase the throughput of a number of key tools for functional analysis of different types of proteins. In the case of ion channels - a class of (membrane) proteins of great physiological importance and potential as drug targets- the lack of adequate assay technologies is felt particularly strongly. The available, indirect, high throughput screening methods for ion channels clearly generate insufficient information. The best technology to study ion channel function and screen for compound interaction is the patch clamp technique, but patch clamping suffers from low throughput, which is not acceptable for drug screening. A first step towards a solution is presented here. The nano patch clamp technology, which is based on a planar, microstructured glass chip, enables automatic whole cell patch clamp measurements. The Port-a-Patch is an automated electrophysiology workstation, which uses planar patch clamp chips. This approach enables high quality and high content ion channel and compound evaluation on a one-cell-at-a-time basis. The presented automation of the patch process and its scalability to an array format are the prerequisites for any higher throughput electrophysiology instruments.
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Keywords: electrophysiology; one-cell-at-a-time

Document Type: Review Article

Affiliations: Nanion Technologies GmbH, Pettenkoferstrabe12, 80336 Munich, Germany , and Physiologisches Institut, Ludwig-Maximilians-Universität, Pettenkoferstrabe12, 80336 München, Germany.

Publication date: 01 January 2004

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  • Due to the plethora of new approaches being used in modern drug discovery by the pharmaceutical industry, Current Drug Discovery Technologies has been established to provide comprehensive overviews of all the major modern techniques and technologies used in drug design and discovery. The journal is the forum for publishing both original research papers and reviews describing novel approaches and cutting edge technologies used in all stages of drug discovery. The journal addresses the multidimensional challenges of drug discovery science including integration issues of the drug discovery process.

    Current Drug Discovery Technologies is an essential journal for all scientists and research managers involved in drug discovery who wish to keep abreast of all the modern techniques and technologies used in drug discovery.
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