| Assay Method Information | |
| | TLR7 Agonist Activity Assay |
| Description: | Engineered human embryonic kidney blue cells (HEK-Blue TLR cells; Invivogen) possessing a human TLR7-secreted embryonic alkaline phosphatase (SEAP) reporter transgene were suspended in a non-selective, culture medium (DMEM high-glucose (Invitrogen), supplemented with 10% fetal bovine serum (Sigma)). HEK-Blue TLR7 cells were added to each well of a 384-well tissue-culture plate (15,000 cells per well) and incubated 16-18 h at 37° C., 5% CO2. Compounds (100 nl) were dispensed into wells containing the HEK-Blue TLR cells and the treated cells were incubated at 37° C., 5% CO2. After 18 h treatment ten microliters of freshly-prepared Quanti-Blue reagent (Invivogen) was added to each well, incubated for 30 min (37° C., 5% CO2) and SEAP levels measured using an Envision plate reader (OD=620 nm). The half maximal effective concentration values (EC50; compound concentration which induced a response halfway between the assay baseline and maximum) were calculated. |
| Affinity data for this assay | |
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