| Assay Method Information | |
| | Adenosine A2B Receptor Cyclic AMP GS Assay |
| Description: | Stably transfected HEK-293 cells expressing the human adenosine A2B receptor (Perkin Elmer) were maintained in MEM culture medium with 10% FBS and 100 μg/mL Geneticin (Life Technologies). 18 to 24 hours prior to assay, geneticin was removed from culture. The cisbio cAMP-GS Dynamic kit utilizing the FRET (Fluorescence Resonance Energy Transfer) technology was used to measure cAMP accumulation in the cells. Compounds of the present disclosure at an appropriate concentration were mixed with 10000 cells/well in white 96 well half area plates (Perkin Elmer) for 30 min at room temperature gently shaking. Agonist, NECA (R&D Technologies) at 12 nM was added to each well for 60 min at room temperature gently shaking. Detection reagents, d2-labeled cAMP (acceptor) and anti-cAMP cryptate (donor) were added to each well for 60 min at RT gently shaking. Plates were read on Pherastar (BMG Labtech), fluorescence ratio 665/620 was calculated and EC50 determination was 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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