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  • Title: Imaging of Genetically Encoded FRET-Based Biosensors to Detect GPCR Activity.
    Author: Bordes L, Chavez-Abiega S, Goedhart J.
    Journal: Methods Mol Biol; 2021; 2268():159-178. PubMed ID: 34085268.
    Abstract:
    A wealth of assays for screening GPCR activity have been developed. Biosensors that employ Förster Resonance Energy transfer (FRET) are specific and enable dynamic measurements. Moreover, FRET biosensors are ideally suited for the analysis of single living cells. The FRET biosensors described in this manuscript are entirely genetically encoded by plasmids. Here, protocols for employing FRET-based biosensors to detect G protein activity upon GPCR activation are reported. The protocols include details on the isolation of plasmids, transfection, generation of stable cell lines with the FRET biosensors, FRET ratio imaging, and data analysis.
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