A variety of chemokines have been reported to be associated with cancer resistance, such as C-X-C chemokine ligand-8 (CXCL8) [11], CC chemokine ligand-5 (CCL5) [12], CC chemokine ligand-20 (CCL20) [8], and CC chemokine ligand-2 (CCL2). The gene discussed is CCL2; the disease is cancer.