Assay Method Information

Assay Name:  Human ERalpha Reporter Assa
Description:  All reagents used in this assay was supplied in the Human ERα Reporter Assay by Indigo Biosciences # IB00401. In an effort to screen selective estrogen receptor degraders (SERDs), the Human ERα Reporter Assay, supplied by Indigo Biosciences, was utilized to quantify antagonist functional activity against the human estrogen receptor. Reporter cells were thawed at 37° C. and added to pre-warmed to 37° C. cell recovery medium (CRM). Stock concentration of 17β-estradiol was serially diluted in CRM. Diluted 17β-estradiol was added to CRM containing reporter cells resulting in a working concentration of 1.6 nM (2×). Cells plus 17β-estradiol were dispensed in a kit-supplied white walled 96-well plate. Concentrated stocks of test compounds were diluted to 2× working concentrations in cell screening medium (CSM). 2× concentrated compounds were added to the plated cells in a dose-dependent manner resulting in a final concentration range of 1E-11 to 1E-5 M and a final 17β-estradiol concentration of 8E-10 M. Assay plates were incubated for 24 hours in a humidified 37° C. incubator. Culture medium was removed from the assay plates by inversion. Detection substrate and buffer was warmed to room temperature, mixed thoroughly, and immediately added to the assay plates. Assay plates were incubated for 15 minutes at room temperature protected from light. Luminescence was measured in a Synergy HTX luminescence plate reader. Data is processed utilizing GraphPad Prism 7 by graphing the relative light units measured at each compound concentration.
Affinity data for this assay
 

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