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Adv Exp Med Biol ; 1131: 27-72, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-31646506


Ca2+, Na+ and K+- permeable ion channels as well as GPCRs linked to Ca2+ release are important drug targets. Accordingly, high-throughput fluorescence plate reader assays have contributed substantially to drug discovery efforts and pharmacological characterization of these receptors and ion channels. This chapter describes some of the basic properties of the fluorescent dyes facilitating these assay approaches as well as general methods for establishment and optimisation of fluorescence assays for ion channels and Gq-coupled GPCRs.

Bioensaio , Canais Iônicos , Receptores Acoplados a Proteínas-G , Animais , Bioensaio/tendências , Descoberta de Drogas , Corantes Fluorescentes/metabolismo , Humanos , Canais Iônicos/análise , Receptores Acoplados a Proteínas-G/análise
Toxins (Basel) ; 10(1)2017 12 27.
Artigo em Inglês | MEDLINE | ID: mdl-29280959


Venoms are produced by a wide variety of species including spiders, scorpions, reptiles, cnidarians, and fish for the purpose of harming or incapacitating predators or prey. While some venoms are of relatively simple composition, many contain hundreds to thousands of individual components with distinct pharmacological activity. Pain-inducing or "algesic" venom compounds have proven invaluable to our understanding of how physiological nociceptive neural networks operate. In this review, we present an overview of some of the diverse nociceptive pathways that can be modulated by specific venom components to evoke pain.