The inflammatory chemokine CCL5 and/or its receptor, CCR5, are expressed in various human cancers, including breast cancer, prostate cancer, ovarian and cervical cancer, gastric and colon cancer, melanoma, multiple myeloma, Hodgkin’s lymphoma, and T-acute lymphoblastic leukemia (88, 172–174). The gene discussed is CCL5; the disease is plasma cell myeloma.