| Assay Method Information | |
| | Uptake Assay Protocol |
| Description: | SERT: This protocol was designed to measure inhibition of uptake by the human serotonin transporter. The reagents were human SERT (HEK293F) cells, fluoxetine (Sigma), nomifensine, neurotransmitter transporter uptake assay kit (Molecular Devices), freestyle 293 expression medium (Invitrogen), 10× Hank's Balanced Salt Solution (HBSS; Invitrogen), 1 M HEPES (Mediatech), Biocoat poly-D-lysine 96-well, black, clear plates (Becton, Dickinson), and 500 μL polypropylene U-bottom 96-well plates (Fisher). The Assay Buffer (AB) was 1λ HBSS and 0.02 M HEPES.The HEK293F cells were transfected with the human serotonin transporter and frozen in 1 mL aliquots at about 1E+07 cells/mL. On the day of the experiment, the cells were removed from −80° C. or liquid nitrogen and thawed in a room temperature water bath. The cells were dilute to about 1-2E+06 with Freestyle medium. A 1 mL sample (1:2 dilution) was prepared, and the cells were counted. The cells were spun at 1100 rpm for 5 minutes, and the medium was aspirated off. The cells were resuspend in medium at 1.5E+06 cells/mL for about 60,000 cells per well. 40 μL of cells were dispensed per well in the Biocoat plates. The plates were spun at 1100 rpm for 1 minute to improve homogeneity of the cell layer and were incubated at 37° C. for a minimum of 3 hours. |
| Affinity data for this assay | |
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