LNCaP (clone FDG) and C42B cells were purchased from ATCC and were grown in RPMI 1640 media (GIBCO # 11875093) supplemented with 10% Fetal Bovine Serum (FBS, Corning Cat#35-011-CV) and maintained at 37 °C and 5% CO2. Enzalutamide powder was purchased from Sellekchem (cat #S1250) and re-suspended in DMSO. Cells were plated in 6-well plates and treated either with DMSO, or with Enzalutamide (20 μM), refreshed every 4 days for up to 3 months until the resistance emerged. RNA from cells was extracted on indicated days using the methods described below.
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