Genetically Encoded Calcium Indicators as Probes to Assess the Role of Calcium Channels in Disease and for High-Throughput Drug Discovery

Advances in Pharmacology
John J Bassett, Gregory R Monteith

Abstract

The calcium ion (Ca2+) is an important signaling molecule implicated in many cellular processes, and the remodeling of Ca2+ homeostasis is a feature of a variety of pathologies. Typical methods to assess Ca2+ signaling in cells often employ small molecule fluorescent dyes, which are sometimes poorly suited to certain applications such as assessment of cellular processes, which occur over long periods (hours or days) or in vivo experiments. Genetically encoded calcium indicators are a set of tools available for the measurement of Ca2+ changes in the cytosol and subcellular compartments, which circumvent some of the inherent limitations of small molecule Ca2+ probes. Recent advances in genetically encoded calcium sensors have greatly increased their ability to provide reliable monitoring of Ca2+ changes in mammalian cells. New genetically encoded calcium indicators have diverse options in terms of targeting, Ca2+ affinity and fluorescence spectra, and this will further enhance their potential use in high-throughput drug discovery and other assays. This review will outline the methods available for Ca2+ measurement in cells, with a focus on genetically encoded calcium sensors. How these sensors will improve our understanding of th...Continue Reading

Citations

Sep 1, 2018·Current Protocols in Pharmacology·Caroline S ColleyTrevor C I Wilkinson
Jun 11, 2019·Expert Opinion on Drug Discovery·Jeremy W LinsleySteven Finkbeiner
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Nov 27, 2020·Frontiers in Cell and Developmental Biology·Boris LavanderosOscar Cerda
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