| Assay Method Information | |
| | Biological Assay |
| Description: | The assay used to measure the in vitro activity of MGL is adapted from the assay used for another serine hydrolase (FAAH) described in Wilson et al., 2003 (A high-throughput-compatible assay for determining the activity of fatty acid amide hydrolase. Wilson S J, Lovenberg T W, Barbier A J. Anal Biochem. 2003 Jul. 15; 318(2):270-5). The assay consists of combining endogenously expressed MGL from HeLa cells with test compounds, adding[glycerol-1,3-3H]-oleoyl glycerol, incubating for one hour, and then measuring the amount of cleaved[1,3-3H]-glycerol that passes through an activated carbon filter. The amount of cleaved, tritiated glycerol passing through the carbon filter is proportional to the activity of the MGL enzyme in a particular well/test condition. Standard conditions for this assay combine 300 nM [Glycerol-1,3-3H]-oleoyl glycerol with human MGL from HeLa cells and test compounds for one hour, after which the reaction is filtered through activated carbon and tritium is measured in the flow through. The test compound concentration in screening mode is 10 μM, while the highest compound concentration in IC50 assays is determined empirically. |
| Affinity data for this assay | |
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