FZD7 and breast cancer: In mouse FDPC, BC stimulates the expression of Wnt3a, Wnt5a, frizzled 7, and disheveled 2, whilst inhibiting the Axin/casein kinase 1α/adenomatous polyposis coli/glycogen synthase kinase 3β degradation complex and inducing the Wnt/β-catenin-signaling activation.