Assay Method Information

Assay Name:  NET Radioligand Binding Assay
Description:  Compounds were dissolved in 100% DMSO at a concentration 100 times the desired highest assay concentration, serially diluted 1:3 in 100% DMSO, and 1.0 μl/well of each solution was dispensed to a Nunc polypropylene, round bottom, 384-well plate. 100% inhibition is defined with 1.0 μl/well of 10 mM desipramine dissolved in DMSO. 50 μl/well of a 2× membrane preparation (0.4 mg/ml in 50 mM Tris-Cl, pH 7.5, 120 mM NaCl, 5 mM KCl) and 50 μl/well of a 2× radioligand solution (4 nM [3H]nisoxetine in 50 mM Tris-Cl, pH 7.5, 120 mM NaCl, 5 mM KCl) were added to the well and the reaction incubated for 1 hour at room temperature. The contents of the assay plate were then transferred to a Millipore MultiscreenHTS GF/B filter plate which was pretreated with 0.5% PEI for at least one hour. The plate was vacuum filtered and washed with 7 washes of 100 μl/well 50 mM Tris-Cl, pH 7.5, 120 mM NaCl, 5 mM KCl chilled to 4° C. The filtration and washing were completed in less than 90 seconds. The plates were air-dried overnight, 12 μl/well of MicroScint scintillation fluid added, and the plates counted in a Trilux.
Affinity data for this assay
 

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