NCI-H660 cells (ATCC) were seeded at 5000 cells/well density in ultra-low attachment 96-well plates (Corning) and cultured in Hepatocyte growth media (Corning) supplemented with 10 ng/ml epidermal growth factor (Corning), 5% heat inactivated charcoal stripped FBS, 1X Glutamax (Gibco), 5% Matrigel (BD Biosciences), 10 µM ROCK inhibitor (Y-27632, STEMCELL Technologies), and 1X Gentamicin/Amphotericin (Lonza), as described previously55 (link). At day 8, organoids were treated with NVP-BHG 712 (EPHB4i) from Selleck Chemicals or DMSO (Veh.), and viability was assessed at day 15 as per manufacturer’s protocol (Cell Titer Glo-3D viability assay, Promega).
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