Fig. 2From: In the presence of TGF-β1, Asperosaponin VI promotes human mesenchymal stem cell differentiation into nucleus pulposus like- cellsEffects of ASA VI concentration on gene expression. The expression levels of selected genes were assessed by RT-PCR after cells were treated with different concentrations of ASA VI for 3 or 7 days and normalized to the housekeeping gene, GAPDH. The control group was considered “1”. Compared with the control group, ASA VI upragulated the expression of the genes, and the optimal concentration was 1 mg/L .. *p < 0.05 vs controls, **p < 0.01 vs controlsBack to article page