MKI67 and neoplasm: The ki-67 expression in tumor tissues was detected using immunohistochemistry (Figure 7(c)); the DAC group and LINC00599 Inhibit group showed significantly reduced ki-67 expression compared with the control group (P < 0.05); and the DAC group + LINC00599 Inhibit group significantly reduced ki-67 expression compared with the DAC and LINC00599 Inhibit groups (P < 0.05).