| Assay Method Information | |
| | HIV MT-4 Serum Shift Antiviral Reporter Assay |
| Description: | To quantify the amount of protein binding to human serum, compounds were serially diluted (1:3) in DMSO and acoustically transferred onto 384-well assay plates via a Labcyte ECHO robot. Each plate contained up to 8 test compounds, including negative and positive controls, (DMSO, 5 μM AZT respectively). Assay plates were prepared in duplicate, and tested in either CCM (cell culture media) or HS/CCM (human serum/cell culture media). MT-4 cells were first pre-infected with pLai RLuc reporter virus for 2 h at 37° C., then further diluted in either CCM (RPMI media, 10% FBS, 1% P/S) or HS/CCM (RPMI media, 10% FBS, 50% HS, 1% P/S), and subsequently added to each plate using a Biotek Micro Flow dispenser. After a 72-h incubation in a humidified and temperature controlled incubator (37° C.), Renilla Glo (Promega) was added to all assay plates and chemiluminescence read using an Envision plate-reader. EC50 values were defined as the compound concentration that causes a 50% decrease in luminescence signal, and were calculated using a sigmoidal dose-response model to generate curve fits. To determine the amount of protein binding, EC50 fold shifts (or EC50 shifts) were calculated by dividing EC50 (HS/CCM)/EC50 (CCM). |
| Affinity data for this assay | |
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