| Assay Method Information | |
| | Binding Assay |
| Description: | 225 nL of the solutions of the non-specific ligand or the compounds of the present invention at each concentration (in case of vehicle, final concentration 0.3% DMSO) were added in each well of a 384-well white/clear bottom microplate (3706, Corning). Jump-In HEK Cell membranes (final reaction amount: 4 ug/well), SPA beads (final reaction amount: 0.2 mg/well) and Tris-HCl buffer were mixed and the mixed solution was left still for more than 60 min at 4° C. Then, 50 uL of the mixture was added to each well of the plate. In addition, 25 uL of 6 nM [3H]-Metylspiperone (final concentration: 2 nM) was added to each well. The plate was sealed by putting TopSeal-A 96/384 well (6050185, PerkinElmer) on the top of the plate, mixed using stirring deaerator (Welltornado, FK-62, Sakaki) and incubated for 120 min at 25° C. After incubation, the radioactivity of [3H]-Metylspiperone which was binded to D3 receptor was determined by liquid scintillation counter (1450 Microbeta, PerkinElmer) in each well. Non-specific binding was calculated based on the radioactivity of [3H]-Metylspiperone in the presence of 10 uM non-labeled Butaclamol. The total binding was calculated based on the radioactivity of [3H]-Metylspiperone in the absence of the compounds of the present invention (Vehicle). The Ki values were calculated from dose-response curves. |
| Affinity data for this assay | |
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