Figure 2. Targeting macrophage biology in cancer.
Macrophages can mediate an array of biological activities in cancer (e.g. chemotaxis, direct cytotoxicity against tumor cells, regulation of fibrosis and vascularity as well as suppression and exclusion of T cells. Multiple molecules are associated with each of these activities and serve as targets for therapeutic intervention involving strategies that inhibit, deplete or redirect macrophages in cancer.