To test this conjecture, we co-cultured WJ-MSCs in the Control RNAi group and WJ-MSCs in the NR2F2 RNAi group with HepG2 and HCT116 cells, respectively, to observe whether NR2F2 played a role in the inhibition of cancer by WJ-MSCs. The gene discussed is NR2F2; the disease is cancer.