ArticleMethods in molecular biology (Clifton, N.J.)2021
Highly Bright NIR-BRET System for Imaging Molecular Events in Live Cells.
Article in Methods in molecular biology (Clifton, N.J.), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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0 citing papers in PubMed, 1 citations in OpenAlex.
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Authors and funding
4 authors at 3 institutions in 2 countries.
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Abstract
The present protocol demonstrates a novel mammalian cell imaging platform exerting a bioluminescence resonance energy transfer (BRET) system. This platform achieves a ~300 nm blue-to-near infrared shift of the emission (NIR-BRET) with the development of a unique coelenterazine (CTZ) derivative named BBlue2.3 and a fusion reporter protein probe named iRFP-RLuc8.6-535SG. The best NIR-BRET shift was achieved by tuning the blue emission peak of BBlue2.3 to a Soret band of the iRFP. In mammalian cells, BBlue2.3 emits light that is ~50-fold brighter than DeepBlueC in cell imaging when combined with RLuc8.6-535SG. This NIR-BRET platform is sufficiently brighter to be used for imaging live mammalian cells at single-cell level, and also for imaging metastases in deep tissues in live mice without generating considerable autoluminescence. This unique optical platform provides the brightest NIR-BLI template that can be used for imaging a diverse group of cellular events in living subjects.
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