| Assay Method Information | |
| | In-Vitro (Enzyme) Assay |
| Description: | In-Vitro (Enzyme) Assay for Determination of the Efficacy of the Inhibitors of the Inhibition of TGF-Beta-Mediated EffectsAs an example, the ability of the inhibitors to eliminate TGF-beta-mediated growth inhibition is tested.Cells of the lung epithelial cell line Mv1Lu are sown in a defined cell density in a 96-well microtitre plate and cultivated overnight under standard conditions. Next day, the medium is replaced by medium which comprises 0.5% of FCS and 1 ng/ml of TGF-beta, and the test substances are added in defined concentrations, generally in the form of dilution series with 5-fold steps. The concentration of the solvent DMSO is constant at 0.5%. After a further two days, Crystal Violet staining of the cells is carried out. After extraction of the Crystal Violet from the fixed cells, the absorption is measured spectrophotometrically at 550 nm. It can be used as a quantitative measure of the adherent cells present and thus of the cell proliferation during the culture. |
| Affinity data for this assay | |
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