| Assay Method Information | |
| | Fluorescence-Based Assay |
| Description: | Chinese hamster ovary (CHO) cells overexpressing the human S1P2 gene were cultured in a Ham's F12 medium containing 10% fetal bovine serum (FBS), an antibiotic/antifungal agent and G418. CHO cells overexpressing the rat S1P2 gene were cultured in a Ham's F12 medium containing 10% FBS, penicillin/streptomycin and blasticidin S. The cultured cells were incubated in a Fura2-AM solution (5 uM) [a Ham's F12 medium containing FBS (10%), HEPES buffer (20 mM, pH 7.2 to 7.5) and probenecid (2.5 mM)] at 37 C. for 60 minutes. The cells were washed twice with a Hanks' balanced saline containing HEPES buffer (20 mM, pH 7.2 to 7.5) and probenecid (2.5 mM) and immersed in the same solution. A plate was mounted on a fluorescence-based drug screening system and the intracellular calcium ion concentration was measured for 30 seconds without stimulation. |
| Affinity data for this assay | |
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