IHC of tumor tissues showed that NRBP2 overexpression significantly reduced the positive staining of KI67 in the tumor tissues (oe-NC vs. oe-NRBP2: TPC-1: 43.68 vs. 21.82, p < 0.0001; CAL62: 39.51 vs. 19.74, p < 0.0001) (Figure 4(c)). This evidence concerns the gene MKI67 and neoplasm.