Research Article

Dual Effects of Cigarette Smoke Extract on Proliferation of Endothelial Progenitor Cells and the Protective Effect of 5-aza-2′-deoxycytidine on EPCs against the Damage Caused by CSE

Figure 3

The EPCs coexpressed with surface markers of FITC-CD34+, PE-CD133+, and APC-Flk-1+ detected by flow cytometry. (a) Flow cytometry scatter plot of the test cells. (b) The illustrating example of the gating dot plot used for identification of cells doubly expressed with surface markers of FITC-CD34+ and PE-CD133+. (c) The positive rate of the surface marker of APC-Flk-1 on the FITC-CD34+/PE-CD133+-positive cells on day 7 of the culture.
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