| Assay Method Information | |
| | HEK TLR7 Assay |
| Description: | HEK-Blue TLR7 cells were purchased from Invivogen (San Diego, Calif.). The following description was taken from the product information sheet."HEK-Blue hTLR7 cells are designed for studying the stimulation of human TLR7 (hTLR7) by monitoring the activation of NF-kB. HEK-Blue hTLR7 cells were obtained by co-transfection of the hTLR7 gene and an optimized secreted embryonic alkaline phosphatase (SEAP) reporter gene into HEK293 cells. The SEAP reporter gene is placed under the control of the IFN-b minimal promoter fused to five NF-kB and AP-1-binding sites. Stimulation with a TLR7 ligand activates NF-kB and AP-1 which induce the production of SEAP, which is detected by the HEK-Blue Detection cell culture medium."A typical assay protocol involved the following steps:1. Cells were cultured according to the product information sheet.2. 10 mM compound stock in DMSO were first diluted to 3 mM and then 3-fold serially diluted using DMSO to afford a 10-pt dilution.3. 3 μl of the diluted DMSO were added to 57 μl HEK-Blue Detection media for a further 20-fold dilution.4. 10 μl of the diluted compound in assay media were added into 40 μl cell culture (in HEK-Blue Detection media) in 384-well plate. Final cell concentration=8,000 cells per well.5. The plates were incubated at 37° C. in 5% CO2 for 16 h. SEAP was determined using a spectrophotometer at 620-655 nm. |
| Affinity data for this assay | |
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