Research Article
Anticancer Effects of Dihydroartemisinin on Human Esophageal Cancer Cells In Vivo
Figure 2
Examination of Ki-67 immunostaining in Eca109. The IOD value remarkably decreased in the 2 mg/kg DHA group (b) (11676.1 ± 924), 10 mg/kg DHA group (c) (6239.8 ± 624), and 50 mg/kg DHA group (d) (687.6 ± 106.6) when compared with the value in the control group (a) (32395.6 ± 1427.2; ). The arrow points to the Ki-67-positive cell. Scale bars: 50 μm.