| Assay Method Information | |
| | Cellular Assay |
| Description: | Alternatively, the present compounds might also be assessed for their capacity to inhibit Btk-dependent FcG receptor-induced IL-8 secretion in human cells. The human myeloid leukemia THP1 cell line (ATCC TIB202) was grown in RPMI 1640 medium supplemented with 10% FCS and 15 nM 1, 25-dihydroxy Vitamin D3 during 4 days before use to induced myeloid differentiation. A sufficient number of tissue-culture grade 384-well plates was coated with human IgG of unknown specificity by incubating overnight at 4° C. with 40 ul/well of a 50 ug/ml IgG solution in PBS. On the day of the experiment, plates were washed 5 times with 80 ul water on a Molecular Devices Aquamax DW4 plate washer. Solutions of the test compounds in 90% DMSO were added to each well on a Hamilton Microlab Star liquid handling station to 40 ul/well tissue culture medium and the total DMSO concentration was adjusted to 0.1%. Differentiated THP1 cells were then added in 40 ul/well to reach a final density of 5'000 cells/well in 80 ul culture medium. After 24 hours, IL-8 secretion was measured in the supernatant by the IL-8 HTRF assay following the protocol of the vendor (CisBio international). |
| Affinity data for this assay | |
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