| Assay Method Information | |
| | cAMP Assay |
| Description: | hGLP1R-HEK293 was seeded in 96 well plates at 2.0×104 cells per well and cultured over night. The medium for culturing the cells was changed to 50 μL of Medium A (DMEM, 20 mM HEPES, 0.05% BSA, 0.5 mM 3-isobutyl-1-methylxanthine) the next day, and the cells were incubated at 37° C. for 30 min. Then, 50 μL of Medium B (DMEM, 20 mM HEPES, 0.05% BSA, 0.5 mM 3-isobutyl-1-methylxanthine) containing GLP-1 or the compound was added, and the cells were incubated at 37° C. for an additional 30 min. Then, 100 μL of Assay lysis buffer (Applied Bioscience) was added, and the cells were incubated at 37° C. for 30 min. The cAMP concentration was quantified using cAMP HiRange kit (Cisbio Bioassays).<Calculation of EC50>By setting the cAMP concentration when the human GLP-1 (7-37) was put into action at a concentration of 1 nM to 100%, the cAMP concentration of each well was converted to a reaction rate (%). By using a 4 parameter logistic regression analysis by XLfit (ver 5.4.0.8), dose-response curves of the each Example Compound were created, and the half maximal (50%) effective concentrations (EC50) were calculated. |
| Affinity data for this assay | |
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