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Comb Chem High Throughput Screen. 2009 Jan;12(1):24-37.

Port-a-patch and patchliner: high fidelity electrophysiology for secondary screening and safety pharmacology.

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  • 1Nanion Technologies GmbH, Erzgiessereistr. 4, D-80335 Munich, Germany.

Abstract

Ion channel dysfunction is known to underlie several acute and chronic disorders and, therefore, ion channels have gained increased interest as drug targets. During the past decade, ion channel screening platforms have surfaced that enable high throughput drug screening from a more functional perspective. These two factors taken together have further inspired the development of more refined screening platforms, such as the automated patch clamp platforms described in this article. Approximately six years ago, Nanion introduced its entry level device for automated patch clamping - the Port-a-Patch. With this device, Nanion offers the world's smallest patch-clamp workstation, whilst greatly simplifying the experimental procedures. This makes the patch clamp technique accessible to researchers and technicians regardless of previous experience in electrophysiology. The same flexibility and high data quality is achieved in a fully automated manner with the Patchliner, Nanion's higher throughput patch clamp workstation. The system utilizes a robotic liquid handling environment for fully automated application of solutions, cells and compounds. The NPC-16 chips come in a sophisticated, yet simplistic, microfluidic cartridge, which allow for fast and precise perfusion. In this way, full concentration response curves are easily obtained. The Port-a-Patch and Patchliner workstations from Nanion are valuable tools for target validation, secondary screening and safety pharmacology (for example hERG and Nav1.5 safety screening). They are widely used in drug development efforts by biotechnological and pharmaceutical companies, as well as in basic and applied biophysical research within academia.

PMID:
19149489
[PubMed - indexed for MEDLINE]
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