For example, Dong and his colleagues combined their data with TCGA database, showing that NDRG1 regulated EMT‐associated protein expression (Twist1, Snail, VE‐cadherin and vimentin decreased, whereas E‐cadherin increased) in gastric carcinoma, which is negatively correlated with poor prognosis.33 Here, SNAI1 is linked to gastric carcinoma.