| Assay Method Information | |
| | Binding Affinities to Different Adenosine Receptors |
| Description: | The compounds at different concentrations were incubate with hA1 membrane (from PerkinElmer) and [3H]-8-Cyclopentyl-1,3-dipropylxanthine (DPCPX) for 50 min at 25° C., meanwhile 100 μL 0.5% PEI solution was added into UNFILTER-96 GF/B filter plate for 60 min at 4° C., then UNIFILTER-96 GF/B filter plate was washed twice with 50 ml wash buffer, the membrane mix was transferred into UNIFILTER-96 GF/B filter plate, and the filter plate was washed 4 times before incubated at 55° C. for 10 min. At last, 40 L ULTIMA GOLD was added into each well, and CPM was read by TopCount.The compounds at different concentrations were incubate with hA2a membrane (from PerkinElmer) and [3H]-CGS21680 for 90 min at 25° C., meanwhile 100 μL 0.5% PEI solution was added into UNFILTER-96 GF/B filter plate for 60 min at 4° C., then UNIFILTER-96 GF/B filter plate was washed twice with 50 ml wash buffer, the membrane mix was transferred into UNIFILTER-96 GF/B filter plate, and the filter plate was washed 4 times before incubated at 55° C. for 10 min. At last, 40 L ULTIMA GOLD was added into each well, and CPM was read by TopCount.The compounds at different concentrations were incubate with hA2b membrane (from PerkinElmer) and [3H]-DPCPX for 60 min at 27° C., and the binding reactions were stopped by rapid filtration through 0.5% BSA coated UNIFILTER-96 GF/C plates using cell harvester. The filter plates were then washed three times with ice cold wash buffer, and dried at 37° C. for 120 min. At last, 50 L of scintillation cocktail was added into each well, and CPM was read by TopCount.The compounds at different concentrations were incubate with hA3 membrane (from PerkinElmer) and [1211]-AB-MECA for 60 min at 27° C., the binding reactions were stopped by rapid filtration through 0.50% BSA coated UNIFILTER-96 GF/C plates using cell harvester. The filter plates were then washed three times with ice cold wash buffer, and dried at 37° C. for 120 min. At last, 50 L of scintillation cocktail was added into each well, and CPM was read by TopCount. |
| Affinity data for this assay | |
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