Several studies have demonstrated the link between EMT and stemness in a variety of human carcinoma [32, 45], and recently, EMT with its mediators, such as Zeb1 [36], Snail [37], Slug [56], and NF-kB [57, 58], has been described as a key mechanism by which cells are conferred with stem-cell properties. This evidence concerns the gene SNAI2 and carcinoma.