Summary
The discovery of drugs for G protein-coupled receptors (GPCRs) has traditionally been very successful, even before the structural nature of these molecular targets was elucidated. Over the years, this family of proteins has become more important in the understanding and treatment of different human pathologies, representing today close to 30% of the molecular targets of all marketed drugs. The sequencing of the human genome unveiled the existence of many new GPCRs and this has increased even more the interest of this family of proteins as potential drug targets. Today the search for compounds that interfere or modulate the function of GPCRs is one of the major focuses of pharmaceutical companies. The understanding of the molecular events that take place upon receptor activation, together with the need of testing large chemical libraries, has resulted in the development of a variety of methods and technologies to measure the activity of these receptors. In this chapter we will review most of the assay technologies currently in use for “in vitro” pharmacological screening, their evolution, their capabilities, and their limitations.
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Acknowledgments
We thank many of our colleagues at GSK that continuously work in the generation of reagent, the development of assays , and the performance of HTS for GPCRs. The generation of the HTS data, the hits, the leads, and the candidates identified would have been impossible without the coordinated effort of all those scientists in many different GSK locations throughout the world. Specially, we thank Robert Hertzberg and Thomas Meek for their continuous support over the years.
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de los Frailes, M., Diez, E. (2009). Screening Technologies for G Protein-Coupled Receptors: From HTS to uHTS. In: Leifert, W. (eds) G Protein-Coupled Receptors in Drug Discovery. Methods in Molecular Biology, vol 552. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-60327-317-6_2
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DOI: https://doi.org/10.1007/978-1-60327-317-6_2
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