| Assay Method Information | |
| | YAP Reporter Assay |
| Description: | HEK293T cells stably transfected with 8XTBD luciferase reporter and pRLTK in 384-well plates were treated with the test compounds, starting from 3 μM (final concentration in assay plate), 1:3 dilution, and 10 points in quadruplicates. Post 24-hr incubation with compounds at 37° C. and 5% CO2, cells were lysed and 8XTBD-driven firefly luciferase and control TK-driven renilla luciferase activities were measured using Promega Dual-Luciferase Reporter Assay System.Reagents: The reagents used for this study are: DMEM: Invitrogen #11960077, Dual-Glo Luciferase Assay System: Promega-E2980, Puromycin Dihydrochloride: Invitrogen-A1113803, 384-well plate: PerkinElmer-6007480, L-GLUTAMINE: Invitrogen-25030164, Hygromycin B: Invitrogen-10687010, and Penicillin-Streptomycin: Merk-TMS-AB2-CMedia: The media used for this assay were: Culture Medium: DMEM+1 ug/mL puromycin+200 ug/mL hygromycin (with 10% FBS+1 mM L-glutamine); and Assay Medium: DMEM (with 10% FBS+1 mM L-glutamine+1× P/S).Cell Plating: The appropriate media was warmed at 37° C. by water bath: Culture Medium, Assay Medium, 1*D-PBS, 0.05% trypsin-EDTA. The cells were trypsinized after removing all media, then washed with 1*sterile D-PBS and then with 2 ml 0.05% trypsin-EDTA. The cells were then incubated at RT for one minute. Then 10 ml/75 cm2 flask Assay Medium was added to each flask. Using a 10 ml pipette, the cells were then gently resuspended in the media, until the clumps completely disappeared. The cells were then transferred into 50 ml centrifuge tubes and were centrifuged at 800 rpm for 5 mins. The medium was removed and the cells were resuspended with Assay Medium. An aliquot of cells was used to count the cell density (cells/nil). The cell suspension was then diluted with Assay Medium to a concentration of 6×104 cells/ml. 50 ul cells suspension was then plated to 384-well plate (PerkinElmer-6007480), 3×103 cells/well and the cells were incubated in an incubator at 37° C., 5% CO2.Compound Treatment: In the afternoon (incubation of the plate with 3-4 hrs), the test compounds were added by Echo, starting from 3 uM (final concentration in the assay plate), 1:3 dilution, 10 points, quadruplicates. The plate was placed at 37° C., 5% CO2 incubator for 24 hrs.Detection: The Dual-Glo Luciferase Reagent was prepared by transferring the contents of one bottle of Dual-Glo Luciferase Buffer to one bottle of Dual-Glo Luciferase Substrate to create the Dual-Glo Luciferase Reagent. Mixing was performed by inversion until the substrate was thoroughly dissolved. After mixing, the reagent was aliquoted into 15 ml tubes. In the afternoon (24 hrs post compound treatment), the DMEM+ medium in the 384 well plates were aspirated by Microplate Washer.Measuring firefly luciferase activity: 20 ul Dual-Glo Luciferase Reagent was added to the 384-well plates. The plates were protected from light to prevent interference with the assay. The plates were shaken for 1 min followed centrifuging plates at 1000 rpm for 30 seconds. After waiting at least 10 minutes, the firefly luminescence was measured by Envision.Measuring renilla luciferase activity: 20 ul Stop-Glo Reagent was added to the 384-well plates. The plates were shaken for lmin and then centrifuged at 1000 rpm for 30 seconds. After waiting at least 10 minutes, the renilla luminescence was measured by Envision. |
| Affinity data for this assay | |
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