| Assay Method Information | |
| | Inhibition Assay |
| Description: | Each five kinds of substrates, human hepatic microsome, and a test drug in 50 mmol/L Hepes buffer as a reaction solution was added to a 96-well plate as the composition ad described above, NADPH, as a coenzyme was added to initiate metabolism reactions as markers and, after the incubation at 37° C. for 15 minutes, a methanol/acetonitrile=1/1 (V/V) solution was added to stop the reaction. After the centrifugation at 3000 rpm for 15 minutes, resorufin (CYP1A2 metabolite) in the supernatant was quantified by a fluorescent multilabel counter and tolbutamide hydroxide (CYP2C9 metabolite), mephenytoin 4′ hydroxide (CYP2C19 metabolite), dextrorphan (CYP2D6 metabolite), and terfenadine alcohol (CYP3A4 metabolite) were quantified by LC/MS/MS. |
| Affinity data for this assay | |
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