Metformin Inhibits the Expression of Biomarkers of Fibrosis of EPCs In Vitro

Figure 4

Live-dead cell staining: (a) control group and (b–d) 5, 10, and 20 ng/ml TGF-β1 treatment, respectively. No obvious apoptosis of EPCs was observed in each group. However, there were some cellular morphological changes in (c, d), and some stellate and flat cells were observed in these groups.

(a)

(b)

(c)

(d)