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| | MAGL Inhibitory Activity |
| Description: | Compounds of the present invention are MAGL inhibitors. Thus, in one aspect, the present invention provides the use of compounds of Formula (I) or a pharmaceutically acceptable salt thereof as described herein for inhibiting MAGL in a mammal.In a further aspect, the present invention provides compounds of Formula (I) or a pharmaceutically acceptable salt thereof as described herein for use in a method of inhibiting MAGL in a mammal.In a further aspect, the present invention provides the use of compounds of Formula (I) or a pharmaceutically acceptable salt thereof as described herein for the preparation of a medicament for inhibiting MAGL in a mammal.In a further aspect, the present invention provides a method for inhibiting MAGL in a mammal, which method comprises administering an effective amount of a compound or a pharmaceutically acceptable salt thereof of Formula (I) as described herein to the mammal.Compounds were profiled for MAGL inhibitory activity by measuring the enzymatic activity of MAGL by following the hydrolysis of 4-nitorphenylacetate resulting in 4-nitrophenol, which absorbs at 405-412 nm (G. G. Muccioli, G. Labar, D. M. Lambert, Chem. Bio. Chem. 2008, 9, 2704-2710).The assay was carried out in 384 well assay plates (black with clear bottom, non-binding surface treated, Corning Ref. 3655) in a total volume of 40 μL. Compound dilutions were made in 100% DMSO (VWR Chemicals 23500.297) in a polypropylene plate in 3-fold dilution steps to give a final concentration range in the assay from 25 μM to 1.7 nM. 1 μL compound dilutions (100% DMSO) were added to 19 μL MAGL (recombinant wild-type) in assay buffer (50 mM TRIS (GIBCO, 15567-027), 1 mM EDTA (Fluka, 03690-100 ml)). The plate was shaked for 1 min at 2000 rpm (Variomag Teleshake) and then incubated for 15 min at RT. To start the reaction, 20 μL 4-Nitrophenlyacetate (Sigma N-8130) in assay buffer with 6% EtOH was added. The final concentrations in the assay were 1 nM MAGL and 300 μM 4-Nitrophenylacetate. After shaking (1 min, 2000 rpm) and 5 min incubation at RT, the absorbance at 405 nm was measured for a fist time (Molecular Devices, SpectraMax Paradigm). A second measurement was then done after incubation for 80 min at RT. From the two measurements, the slope was calculated by subtracting the first from the second measurement. |
| Affinity data for this assay | |
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