| Assay Method Information | |
| | Biological Assay |
| Description: | Briefly, test compounds were dissolved in dimethyl sulfoxide (DMSO) to a concentration of 10 mM. Dose-response measurements were assayed by either creating 1:10 serial dilutions in DMSO to produce a 7 point curve or by making 1:3 serial dilutions in DMSO to produce 11 point curves. The top concentrations were adjusted depending on the potency of the compounds and subsequent dilution in reaction buffer (50 mM sodium phosphate, pH 7.4) yielded a final DMSO concentration ≦2%. Enzyme and compounds were set to pre-incubate in flat-bottomed microtiter plates for approximately 60 minutes before initiating the reaction by addition of a mixture of HRP, benzylamine and Amplex reagent. Fluorescence intensity was then measured at several time points (15 minutes, 20 minutes and 30 minutes) exciting at 544 nm and reading the emission at 590 nm). Final concentrations of the reagents in the assay wells were: SSAO enzyme 2 μg/ml, benzylamine 100 μM, Amplex reagent 20 μM, HRP 0.1 U/mL and varying concentrations of test compound. The inhibition was measured as % decrease of the signal compared to a control without inhibitor (only diluted DMSO). |
| Affinity data for this assay | |
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