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在活细胞悬浮液荧光测定G蛋白选择性GPCR构象测量使用FRET传感器
Journal JoVE
Biologie
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Journal JoVE Biologie
G Protein-selective GPCR Conformations Measured Using FRET Sensors in a Live Cell Suspension Fluorometer Assay
DOI:

09:12 min

September 10, 2016

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Chapitres

  • 00:05Titre
  • 00:58Cell Culture Preparation and Transfection Conditions
  • 02:41Förster Resonance Energy Transfer (FRET) Sensor G Protein-selective G Protein-coupled Receptor (GPCR) Conformation Analysis
  • 06:11Results: Optimizing FRET Spectra Generation and Analysis
  • 08:01Conclusion

Summary

Traduction automatique

Simple methods to detect the selective activation of G proteins by G protein-coupled receptors remain an outstanding challenge in cell signaling. Here, Fӧrster resonance energy transfer (FRET) biosensors have been developed by pairwise tethering a GPCR to G protein peptides to probe conformational changes at controlled concentrations in live cells.

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