The plasmid pcDNA3.1-FOXM1B (pFOXM1) and control vector plasmid pcDNA3.1 were described previously.24 (link) Small interfering RNAs (siRNAs) targeting Met was synthesized by Dharmacon, and the sequence of siRNA#1 5'-GTGCAGTATCCTCTGACAG-3' and siRNA#2 5’-AAGTGCAGTATCCTCTGACAG-3’ were reported previously.25 (link),26 (link) SiRNA targeting FOXM1 (siFOXM1) was described previously.27