Trypan Blue Exclusion Assay EGFR-positive cancer cells (approximately 1 104 cells of A549, PC3, Du145, and MDA-MB-231) were seeded on 6-well plates. that inhibiting palmitoylation or downregulating EGFR may overcome TKI resistance. ? 0.001, **** ? 0.0001; (B) Survival of gefitinib-resistant (GR) and erlotinib-resistant (ER) cells not affected by TKI treatments. All the GR cells […]