| Assay Method Information | |
| | Biological Assay |
| Description: | 1. Determination of Inhibitory Activity of Human Recombinant SSAO/VAP-1Test purpose: The following methods can be used to determine the inhibitory activity of the compounds described in the examples of the invention for human recombinant SSAO/VAP-1.Test Materials:Human recombinant SSAO/VAP-1 (VAP-1, human) purchased from Sigma, Cat. No. SRP6241;Amplex Red Monoamine Oxidase Assay Kit purchased from Invitrogen, Cat. No. A12214;384-Well plate purchased from Corning, Cat. No. 6005174;Amplex Red Hydrogen PeroxidePeroxidase Assay Kit purchased from Invitrogen, Cat. No. A22188.Benzylamine hydrochloride purchased from Sigma, Cat. No. B5136-25G;DMSO (Dimethyl Sulfoxide) purchased from Sigma, Cat. No. D2650-100ML;Test Method:The test compound was dissolved in DMSO and diluted to 10 concentrations in 4-fold serial dilution. In 384 well plates, 25 μL of human recombinant SSAO/VAP-1 (1.6 μg/ml) was added to each well. 100 nL of test compounds with different concentrations were added to each well containing human recombinant SSAO/VAP-1 and incubated at room temperature for 30 min. After 30 min incubation, 25 μl of Amplex red monoamine oxidase assay kit (containing a reaction mixture of 200 μm Amplex Red reagent, 1 U/ml HRP and 1 mm benzylamine hydrochloride) was added to the corresponding well, and incubated at room temperature and dark for 60 min. After 60 min, the relative fluorescence unit (RFU) was read by using PerkinElmer's Envision at 530-560 nm excitation and 590 nm emission. The curve was drawn by using the graph pad prism 5 software, and the IC50 value was calculated. The results were shown in table 1, wherein the compound listed in table 1 is the compound in the preparation examples with the same compound number: |
| Affinity data for this assay | |
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