However, there is no significant difference among liver cancer unstem cells groups transfected with pGFP-V-RS, pGFP-V-RS-CUDR, pGFP-V-RS-CUDR plus pcDNA3.1-CyclinD1, pGFP-V-RS-CUDR plus pGFP-V-RS-PTEN respectively (P > 0.05). Here, PTEN is linked to liver cancer.