Figure 1From: The drug-resistance to gefitinib in PTEN low expression cancer cells is reversed by irradiation in vitroExpressions of EGFR and PTEN in H-157 cells. Western blots of EGFR (upper panel) and PTEN (lower panel) in H-157 cells. Both the EGFR and PTEN highly expressed cells, A431 cells, were taken as positive control.Back to article page