| Assay Method Information | |
| | HBV DNA Assay |
| Description: | The assay employs real-time qPCR (TaqMan) to directly measure extracellular HBV DNA copy number in the cell supernatant. HepG2.2.15 cells were plated in 96-well microtiter plates before treatment with complete medium (DMEM, Glutamax, 10% FBS, 1% Penicillin/Streptomycin, 250 μg/mL Genetycin, final DMSO concentration is 1%). Only the interior wells were utilized to reduce edge effects observed during cell culture, the exterior wells were filled with complete medium to help minimize sample evaporation. The HepG2.2.15 cells were treated 1 h later with various concentrations of a test compound in duplicate (top concentration used at 5 μM, 2 μM or 0.5 μM according to the HBsAg IC50 observed, with 1/3 successive dilutions (total of 10 dilutions). Six days following the initial administration of the test compound, the cell culture supernatant was collected; DNA extraction was performed by automated system (Magnapure) and then used in a real-time qPCR/TaqMan assay to determine HBV DNA copy numbers. Antiviral activity was calculated from the reduction in HBV DNA levels (IC50). |
| Affinity data for this assay | |
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