| Assay Method Information | |
| | Receptor Binding Assay |
| Description: | Affinities of various compounds were measured in vitro using competitive radioligand binding assays. Serial dilutions of test compounds were incubated with membranes prepared from CHO-K1 cells expressing the mu opioid receptor (MOR; for opioid receptor binding) or rat forebrain membranes (for NMDA receptor binding). 2 nM [3H] Naloxone (MOR) or 0.2 nM [3H] MK801 (NMDA) were used as the specific, competitive radioligands. 10 uM Naloxone (MOR), or 10 uM MK801 (NMDA) was used to determine non-specific binding. Bound radioactivity was measured using a scintillation counter & IC50 values for test compounds were determined by non-linear regression analysis using a one-site competition model (Graph Pad Prizm). Due to each test compound being solubilized in a buffered system for the assay, the results presented herein reflect the free base activity. |
| Affinity data for this assay | |
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