Most members of the chemokine family, including CXCL1, CXCL2, CXCL5, CXCL9, CXCL10 and CXCL13, where they are secreted by cancer or stromal cells, such as cancer-associated fibroblasts (CAFs) and dendritic cells (DCs). The gene discussed is CXCL5; the disease is cancer.