Figure 3

ZEB1 is expressed in erlotinib-resistant lung and pancreatic cancer cell lines. (A) ZEB1 mRNA expression in lung cancer cell lines: A549, H1650, and PC9. (B) ZEB1 mRNA expression in pancreatic cancer cell lines: MiaPaca, Panc-1, Aspc-1, and Bxpc-3. (C) ZEB1 protein expression in lung and pancreatic cancer cell lines. Calnexin serves as a loading control. (D) Expression of 13-gene miRNA signature in pancreatic cell lines, clustered by expression and sample as in Figure 1.