ZEB1 and melanoma: Indeed, ZEB2 and SNAIL2 are expressed in normal adult melanocytes, and a switch in EMT‐TFs expression, characterized by a loss of ZEB2 and SNAIL2 and an upregulation of ZEB1 and TWIST1, occurs during melanoma progression (Shirley et al, 2012; Caramel et al, 2013; Denecker et al, 2014; Tulchinsky et al, 2014).