| Assay Method Information | |
| | Binding Assay |
| Description: | NE transporter binding assay for evaluating binding of the compound to the norepinephrine transporter was carried out using human recombinant norepinephrine transporter membrane (PerkinElmer Life and Analytical Sciences, USA) expressed in MDCK cells and radioisotope [3H]Nisoxetine (PerkinElmer).That is, the test drug, 6 nM [3H]Nisoxetine, norepinephrine transporter membrane (11 ug/well), 120 mM NaCl and 50 mM Tris-HCl buffer (pH 7.4) containing 5 mM KCl were added to obtain a reaction mixture with a final volume of 0.25 ml. After incubation for 60 minutes at 4° C., the mixture was quickly passed through a Filtermat A glass fiber filter pre-soaked with 0.5% (w/v) PEI (polyethyleneimine) using Inotech Harvester (Inotech) to terminate the reaction. After washing with cold washing buffer (50 mM Tris-HCl, pH 7.4, 0.9% NaCl) solution, the filter was covered with MeltiLex and sealed in a sample bag. After drying in an oven, radioactivity was counted using MicroBeta Plus (Wallac). |
| Affinity data for this assay | |
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