| Solution Information | help | |
| Enzyme: | Sphingosine 1-phosphate receptor 2 | |
| inhibitor: | BDBM75601 | |
| substrate: | n/a | |
| Solution Type: | Aqueous | |
| pH at Preparation: | n/a | |
| Temp. Prep.: | n/a | |
| Comments: | Assay Overview: The purpose of this assay is to determine whether powder samples of compounds identified as active in the assay "Late-stage fluorescence dose-response cell-based assay to identify agonists of the Sphingosine 1-Phosphate Receptor 4 (S1P4): Synthesized compounds" (AID 463107) were nonselective agonists as assayed by activation of S1P2. A Chinese Hamster Ovary (CHO) cell line stably transfected with the human S1P2 receptor and a cAMP Response Element-beta lactamase (CRE-BLA) reporter construct was used to measure S1P2 agonism. Under normal conditions, S1P2 has low basal activity and therefore cells express low BLA levels. Stimulation of the S1P2 receptor by agonist increases BLA gene transcription. This increase is monitored by measuring fluorescence resonance energy transfer (FRET) of a cleavable fluorogenic cell-permeable BLA substrate. As designed, test compounds that act as S1P1 agonists will activate S1P1 and increase well FRET. Compounds were tested in triplicate u | |
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