| Assay Method Information | |
| | IL-6 Production Inhibitory Action Evaluation Test |
| Description: | 1) The subcultured HCE-T was recovered and the cells were seeded at 2.0×104 cells/0.1 mL/well in a 96-well flat bottom culture plate.2) After culturing overnight, medium the medium was removed and each 80 μL/well of 10% FBS-DMEM/Ham's F12 medium was added.3) Test compound solution was added with each 10 μL/well.4) LPS solution was added with each 10 μL/well.5) The sample to which 1% dimethylsulfoxide-containing 10% FBS-DMEM/Ham's F12 medium was added with each 10 μL/well in place of each test compound solution, and 10% FBS-DMEM/Ham's F12 medium was added in place of the LPS solution was made a negative control.6) The sample in which 1% dimethylsulfoxide-containing 10% FBS-DMEM/Ham's F12 medium was added with each 10 μL/well in place of each test compound solution was made a positive control.7) After completion of 4 hours cultivation, the supernatant was recovered and the amount of IL-6 released in the supernatant was measured by using an HTRF human IL-6 Kit.8) The IL-6 production inhibitory ratio was calculated according to the following calculation formula.(Calculation of IL-6 Production Inhibitory Ratio)The IL-6 production inhibitory ratio (%) was calculated by the following formula.IL-6 production inhibitory ratio (%)=100×{1−(IL-6 produced amount of each test compound solution−average value of IL-6 produced amount of negative control group)/(average value of IL-6 produced amount of positive control group−average value of IL-6 produced amount of negative control group)}(%)Further, the IL-6 production inhibitory ratio (Efficacy (% DEX)) when the DEX treated group was made 100 was calculated.Efficacy (% DEX)=100×{(average value of IL-6 production inhibitory ratio of each test compound solution)/(average value of IL-6 production inhibitory ratio of DEX treated group)}(%)In addition, IC50 was calculated according to a conventional method. IDBS XLfit4 was used for the calculation. |
| Affinity data for this assay | |
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