MKI67 and neoplasm: FOXM1 inhibition significantly attenuated tumor progression (Figure 7A), phenocopying the largely normal ductal morphology of the MIC/c-SrcL/L mammary glands (Supplemental Figure 8, B and C), while reducing p-H3 (S10) and Ki67 levels and increasing apoptosis compared with vehicle controls (Figure 7, B and C).