Fig. 1From: In the presence of TGF-β1, Asperosaponin VI promotes human mesenchymal stem cell differentiation into nucleus pulposus like- cellsASA VI promoted the proliferation of HMSCs. a Cell viability of HMSCs treated with different concentrations of ASA VI for 1, 3 or 5 days. b EDU staining of HMSCs after treatment with different concentrations of ASA VI (scale bar: 200 μm). c The relative number of HMSCs stained by EDU in each group. *p < 0.05, **p < 0.01Back to article page