Wang H, Wang H, Zhou B, Li C, Zhang F, Wang X, Zhang G, Bu X, Cai S, Du J. Epithelial–Mesenchymal Transition (EMT) Induced by TNF-α Requires AKT/GSK-3β-Mediated Stabilization of Snail in Colorectal Cancer. PLoS ONE. 2013 Feb 19;8(2):e56664. doi: 10.1371/journal.pone.0056664.