As shown in Fig. 1A–C, the expression of the epithelial marker E‐cadherin was significantly decreased in glioma cells with TGF‐β treatment in a concentration‐dependent manner, while the expression of the mesenchymal marker Slug, which was also the downstream effector of TGF‐β signaling 11, displayed the opposite effect. The gene discussed is SNAI2; the disease is central nervous system cancer.