Figure 1From: A Chinese herbal formula, Yi-Qi-Fu-Sheng, inhibits migration/invasion of colorectal cancer by down-regulating MMP-2/9 via inhibiting the activation of ERK/MAPK signaling pathways Effect of YQFS on the inhibition of HCT-116 cells. Cells were treated with various concentrations of YQFS and analyzed by MTT assay. The IC50 value is 34.09 mg/ml. For the dose–response analysis, we chose three doses below the IC50 value, and turned into a multiple relationship.Back to article page