Figure 1

Effect of 5-FU on cell death morphology in oesophageal cancer cell lines. Following 5-FU treatment (40 μ M – 48 h), KYSE70 and KYSE450 cells display features of non-apoptotic cell death/type II cell death (arrowheads). OE21 cells display features of apoptosis (arrows) ( × 40 magnification).