Fig. 3From: In the presence of TGF-β1, Asperosaponin VI promotes human mesenchymal stem cell differentiation into nucleus pulposus like- cellsEffect of ASA VI concentration on the amount of GAGs in the culture medium. Treatment with ASA VI at 1 mg/L yielded the highest amount of secreted GAGs in the culture medium. **p < 0.01 vs controlsBack to article page