fig3

Figure 3. Stemness related pathways could be useful for targeting CSCs. When Wnt binds to FZD receptor, it downregulates the function of AXIN/GSK-3/APC complex, which leads to stabilization of β-catenin. Stabilized β-catenin moves into nucleus and induces the stemness related gene expressions. When a transmembrane Notch ligand (Delta or Jagged) on one cell binds to a transmembrane receptor (Notches 1-4) on a neighboring cell, the receptor is cleaved and interact with nuclear factors to regulate stemness related gene expressions. Inhibition of these pathways may contribute to CSC eradication. FZD: frizzled; GSK-3: glycogen synthase kinase-3; APC: adenomatous polyposis coli. CSCs: cancer stem-like cells