Figure 4. Immunohistochemistry stained with Ki-67 in vehicle and HET0016 treated tumors groups.

A) Quantitative estimation of cell proliferation showing number of cells per area (m²). B) Top images were taken from tumor of 21 days and bottom images were taken from tumor of 28 days. The arrows shows cellular nucleus stained. Error bars: ± standard error, **p<0.001. Scale bar = 100 µm.