The effect of bone marrow mesenchymal stem cells-conditioned medium (BMMSCs-CM) on the hepatocellular carcinoma cell line HepG2 protein expression of P53 (A) and Bcl-2 (B) by floecytometry. The data shows the untreated HepG2 cell group (control), for P53 (Aa) and Bcl-2 (Ba) protein expression, and the statistical analysis for P53 (Ac) Bcl-2 (Bc) proteins expression. Values are expressed as mean±SD, (n=3), the treated group (HepG2=BMMSC-CM) was compared to the control group. (*P<0.05, **P<0.01).