A fluorescent probe is a fluorophore designed to localize within a specific region of a biological specimen or to respond to a specific stimulus. Fluorescent probes have been used for nearly a century to study cellular processes due to their exquisite sensitivity and selectivity. Fluorescent probes have also gained in popularity as safety and environmental concerns over the use of radioactive probes have grown. At the same time, cellular assays are being more widely used now than ever before. This review will give a broad overview of types of fluorescent probes, types of fluorescent assays, and their application in cellular assays for a number of pharmaceutically relevant target classes.
Keywords: Fluorescence, cell based assays, high throughput screening, GPCR, pathway, ion channel, kinase, multiplexing.
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