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. 2018 Mar 29;19(4):1026. doi: 10.3390/ijms19041026

Figure 1.

Figure 1

(A) MTT assays for human umbilical vein endothelial cells (HUVECs) and human mesenchymal stem cells (hMSCs) under arsenite treatment show a distinct difference in the survival rate between HUVECs and hMSCs. There are significantly higher survival rates in hMSCs than in HUVECs under high concentrations of arsenite between 15 to 25 μM; (B) An apoptosis flow cytometry study reveals significant differences in apoptosis rates between HUVECs treated with arsenite, HUVECs in conditioned medium and HUVECs and hMSCs co-cultured under an arsenite concentration of 20 μM. (* p < 0.05), MTT assay—(3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyltetrazolium bromides). Col-cul—co-cultured HUVEC and hMSCs. CM—conditioned medium.