Research Article

Mesenchymal Stem Cells Pretreated with HGF and FGF4 Can Reduce Liver Fibrosis in Mice

Figure 1

Morphological changes in cytokines pretreated MSCs: (a) MSCs as negative control; (b, c, d, and e) 7-, 15-, 21-, and 28-day cytokines pretreated MSCs; (f) mature hepatocytes as positive control (200x, scale bar ~200 μm).