CXCL1 and cancer: Studies onmelanoma have demonstrated that chemokines, e.g., growth-regulated oncogeneα (GROα)/CXCL1, GROβ/ CXCL2, GROγ/CXCL3, andinterleukin-8 (IL-8)/CXCL8, control the proliferation of cancer cells(18).