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. 2019 Jul 8;20(3):2091–2100. doi: 10.3892/mmr.2019.10474

Figure 2.

Figure 2.

DP inhibits the colony formation ability of ESCC cells. (A) After treatment with DP (0, 40, 60 and 80 µM) for 24 h, and reseeding cells in 6-well plate with 400 cells/well following 14 days of incubation, the colony formation ability of ECA109 and EC9706 cells was significantly decreased. Both images and quantitative data are presented. (B) Round and shrunken cells were observed under ordinary optical microscopy after treatment with DP (0, 40, 60 and 80 µM) for 24 h in ECA109 and EC9706 cells. The data are expressed as the mean ± standard deviation (n=3). *P<0.05 compared with the control group. DP, dracorhodin perchlorate; ESCC, esophageal squamous cell carcinoma.