IHC revealed decreased expression of mesenchymal markers, including N‐cadherin and fibronectin, as well as cell proliferation marker Ki‐67, in LN229luc‐ and GBM#P3luc‐shHTRA1#2 xenografts relative to shNC controls (Figure 8B,C). The gene discussed is MKI67; the disease is glioblastoma.