Abstract
G protein-coupled receptors (GPCRs) have been one of the most productive classes of drug targets for several decades, and new technologies for GPCR-based discovery promise to keep this field active for years to come. While molecular screens for GPCR receptor agonist- and antagonist-based drugs will continue to be valuable discovery tools, the most exciting developments in the field involve cell-based assays for GPCR function. Some cell-based discovery strategies, such as the use of β-arrestin as a surrogate marker for GPCR function, have already been reduced to practice, and have been used as valuable discovery tools for several years. The application of high content cell-based screening to GPCR discovery has opened up additional possibilities, such as direct tracking of GPCRs, G proteins and other signaling pathway components using intracellular translocation assays. These assays provide the capability to probe GPCR function at the cellular level with better resolution than has previously been possible, and offer practical strategies for more definitive selectivity evaluation and counter-screening in the early stages of drug discovery. The potential of cell-based translocation assays for GPCR discovery is described, and proof-of-concept data from a pilot screen with a CXCR4 assay are presented. This chemokine receptor is a highly relevant drug target which plays an important role in the pathogenesis of inflammatory disease and also has been shown to be a co-receptor for entry of HIV into cells as well as to play a role in metastasis of certain cancer cells.
Keywords: g protein-coupled receptors, high content screening, cell-based assays, protein translocation, small molecule
Combinatorial Chemistry & High Throughput Screening
Title: High Content Screening for G Protein-Coupled Receptors Using Cell-Based Protein Translocation Assays
Volume: 8 Issue: 4
Author(s): Charlotta Granas, Betina Kerstin Lundholt, Arne Heydorn, Viggo Linde, Hans-Christian Pedersen, Christian Krog-Jensen, Mette M. Rosenkilde and Len Pagliaro
Affiliation:
Keywords: g protein-coupled receptors, high content screening, cell-based assays, protein translocation, small molecule
Abstract: G protein-coupled receptors (GPCRs) have been one of the most productive classes of drug targets for several decades, and new technologies for GPCR-based discovery promise to keep this field active for years to come. While molecular screens for GPCR receptor agonist- and antagonist-based drugs will continue to be valuable discovery tools, the most exciting developments in the field involve cell-based assays for GPCR function. Some cell-based discovery strategies, such as the use of β-arrestin as a surrogate marker for GPCR function, have already been reduced to practice, and have been used as valuable discovery tools for several years. The application of high content cell-based screening to GPCR discovery has opened up additional possibilities, such as direct tracking of GPCRs, G proteins and other signaling pathway components using intracellular translocation assays. These assays provide the capability to probe GPCR function at the cellular level with better resolution than has previously been possible, and offer practical strategies for more definitive selectivity evaluation and counter-screening in the early stages of drug discovery. The potential of cell-based translocation assays for GPCR discovery is described, and proof-of-concept data from a pilot screen with a CXCR4 assay are presented. This chemokine receptor is a highly relevant drug target which plays an important role in the pathogenesis of inflammatory disease and also has been shown to be a co-receptor for entry of HIV into cells as well as to play a role in metastasis of certain cancer cells.
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Cite this article as:
Granas Charlotta, Lundholt Kerstin Betina, Heydorn Arne, Linde Viggo, Pedersen Hans-Christian, Krog-Jensen Christian, Rosenkilde M. Mette and Pagliaro Len, High Content Screening for G Protein-Coupled Receptors Using Cell-Based Protein Translocation Assays, Combinatorial Chemistry & High Throughput Screening 2005; 8 (4) . https://dx.doi.org/10.2174/1386207054020741
DOI https://dx.doi.org/10.2174/1386207054020741 |
Print ISSN 1386-2073 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5402 |
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