For example, CCL2, CCL5, CXCL8, and CXCL12 can promote breast cancer,92, 93, 94, 95, 96 while CXCL9, CXCL10, and CCL16 can inhibit breast cancer.97, 98, 99, 100. The gene discussed is CXCL9; the disease is breast carcinoma.