| Assay Method Information | |
| | URAT1 activity assay |
| Description: | URAT1 (SLC22A12) activity was evaluated in a cellular uptake assay using a 96-well plate with stably transfected URAT-1/CHO cells. 3H-orotate was used as the test transport agent, which was measured in a liquid scintillation counter, using benzbromarone as a positive control, and DMSO and non-transfected CHO cells as negative controls (Solvo Biotechnology, Boston, Mass.). Generally determined over 7 concentrations (range, 0.01 to 150 μM), a semi-log plot (percent relative transport of oratate vs. time) was generated to determine the concentration at which 50% inhibition was observed (i.e., the IC50). |
| Affinity data for this assay | |
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