PTEN and melanoma: To address the role of TSLP in melanoma, we generated Braf/Pten mice in the Tslp–/– background (named Braf/Pten/Tslp–/–) by breeding the Tyr:Cre-ERT2BrafLSL–V600E/+Ptenlox/lox mice with Tslp–/– mice (19).