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| | Adenosine A2A Receptor Cyclic AMP GS Assay |
| Description: | Stably transfected HEK-293 cells expressing the human adenosine A2A receptor (Perkin Elmer) are maintained in MEM culture medium with 10% FBS and 400 μg/mL Geneticin (Life Technologies). 18 to 24 hours prior to assay, geneticin is removed from culture. The cisbio cAMP-GS Dynamic kit utilizing the FRET (Fluorescence Resonance Energy Transfer) technology is used to measure cAMP accumulation in the cells. Compounds of the present disclosure at an appropriate concentration are mixed with 10000 cells/well in white 96 well half area plates (Perkin Elmer) for 30 min at RT gently shaking. Agonist, CGS21680 (R&D Technologies) at 4 nM is added to each well for 60 min at room temperature gently shaking. Detection reagents, d2-labeled cAMP (acceptor) and anti-cAMP cryptate (donor) are added to each well for 60 min at room temperature gently shaking. Plates are read on Pherastar (BMG Labtech), fluorescence ratio 665/620 is calculated and EC50 determination is performed by fitting the curve of percent of control versus the log of the compound concentration using GraphPad Prism. |
| Affinity data for this assay | |
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