| Assay Method Information | |
| | 5HT2a ASSAY |
| Description: | Evaluation of the affinity of compounds for the human 5-HT2A receptor in transfected HEK-293 cells determined in a radioligand binding assay. Cell membrane homogenates (30-50 μg protein) were incubated 15 min at 37° C. with 0.5 nM [3H]ketanserin in the absence or presence of the test compound in a buffer containing 50 mM Tris-HCl (pH 7.4). Nonspecific binding was determined in the presence of 1 μM ketanserin. Following incubation, the samples were filtered rapidly under vacuum through glass fiber filters presoaked with 0.3% PEI and rinsed several times with ice-cold 50 mM Tris-HCl using a 96-sample cell harvester. The filters were dried then counted for radioactivity in a scintillation counter using a scintillation cocktail (WO2005013952A1, EP1500391A1[ab1], incorporated in its entirety by reference). |
| Affinity data for this assay | |
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