The assessment of Ki-67 immunoexpression and optical density in the harvested tumors was correlated with the inhibition of tumor growth (13.7 ± 0.18 for phenazine #14 vs. 6.81 ± 0.14 for NPDOTAU-phenazine #14, p < 0.0001) (Figure 5D,E). This evidence concerns the gene MKI67 and neoplasm.