| Assay Method Information | |
| | SSAO Activity Assay |
| Description: | Amine oxidase activity of recombinant hSSAO, hMAO-A, and hMAO-B isoforms are measured using the MAO-Glo assay kit (Promega, V1402). Ten nL test compounds (with DMSO as vehicle, 0.1% v/v for hSSAO, hMAO-A and hMAO-B) were added into assay plates by Echo, and pre-incubated with 5 μL of enzyme for 30 mins at room temperature before the addition of 5 μL of luminogenic substrate. The substrate concentration is 40 μM for human recombinant SSAO, 40 μM for human recombinant MAO-A, and 4 μM for human recombinant MAO-B. The hSSAO and hMAO-A assays were conducted in the MAO-A reaction buffer in the kit, and the MAO-B assay was conducted in the MAO-B reaction buffer. Oxidation of the substrate was conducted for 1 hr, before the addition of detecting reagent according the manufacture's protocol. The IC50 value of the tested compounds was calculated by fitting the dose response curve using a 4-parameter non-linear regression routine. |
| Affinity data for this assay | |
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