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VEGF enhances HCC viability. Cell viability of H22 cells treated with recombinant human VEGF and different concentrations of curcumin was measured in vitro. #P<0.05 and ##P<0.01 compared with the group treated with 20 µM curcumin. VEGF, vascular endothelial growth factor; OD, optical density. Each experiment was repeated three times.
