IL24 and neoplasm: Compared with the mice in the control group (untreated), the mice treated with MSC.LentiR.E1A+Ad-hTERTp-IL24 with or without 5-Fu all exhibited evident tumor regression, especially in the MSC.LentiR.E1A+Ad-hTERTp-IL24 plus 5-Fu group, the tumor inhibition rate of which reached 71.21% 21 days after treatment (Figure 6A).