Figure 2

RASSF1A gene’s expression detected by RT-PCR. Up Lane: RASSF1A (331 bp); Down Lane: β–actin (271 bp), Lane 1: A549 cell; Lane 2: A549DDP cell; Lane 3: A549DDP 5 μmol/L group; Lane 4: A549DDP 10 μmol/L group; Lane 5: A549DDP 20 μmol/L group.