| Assay Method Information | |
| | Cell Proliferation Assays |
| Description: | MTS testing kit was purchased from Promega. The DMEM, Fetal bovine serum and Penicillin-Streptomycin were purchased from Gibco. Dimethyl sulfoxide (DMSO) was purchased from Sigma.To investigate whether a compound is able to inhibit the activity of BTK in cells, a mechanism-based assay using DOHH2 (DSMZ catalog#: ACC47) and Mino (ATCC Number CRL-3000 ) cells was developed. In this assay, inhibition of BTK was detected by the inhibition of DOHH2 and Mino cell proliferations. DOHH2 or Mino cells were cultured in culture flasks to 40-80% confluence in RPMI-1640 plus 10% fetal bovine serum. C ells were collected and plated onto 96-well plates at desired cell density (DOHH2: 5000 cells/well; Mino: 10000 cells/well). Plates were incubated overnight at 37° C., with 5% CO2 to adhere. Compounds were added to the plates, and the final compound concentrations were 10000, 3333, 1111, 270, 124, 41, 14, 4.6 and 1.5 nM. Plates were placed at 37° C., with 5% CO2 for 120 h (DOHH2) or 72 h (Mino). 20 μl MTS/100 μl medium mixture solution were added to each well and the plates were incubated for exactly 2 hours. The reaction was stopped by adding 25 μl 10% SDS per well. Absorbance at 490 nm and 650 nm (reference wavelength) were measured and IC50 was calculated using GraphPad Prism 5.0. |
| Affinity data for this assay | |
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