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| | Inhibition of IL-2 secretion |
| Description: | Jurkat T cells were seeded at a density of 0.5 to 1 million cells per well in RPMI medium. Test compounds from this invention were added to the cells at different concentrations. This was followed by the addition of PHA, a T cell mitogen after 10 minutes.The cells were then incubated for 20 to 24 hours in a CO2 incubator at 37° C. After incubation with the compounds, cells were centrifuged, collected the supernatant and processed for ELISA to quantitate the amount of IL-2 secreted. A commercial ELISA kit (R&D Systems, Inc. Minneapolis, Minn., USA) was used to estimate the IL-2 concentrations. Amount of IL-2 secreted by cells stimulated with PHA was considered as a 100% maximal signal and the decrease in amount of IL-2 secreted by cells treated with the test compounds was expressed as percent inhibition of the maximal signal. The dose response data was analyzed using 4-parametric sigmoidal dose response (variable slope) curve-fit. |
| Affinity data for this assay | |
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