IL-2, sIL-2R, IL-6, IL-8, IL-12, IL-17, MCP-1/CCL2, and MIP-1α correlate with anemia/RBC transfusion dependency while IL-6, IP-10/CXCL-10 and MIP-1β correlate with thrombocytopenia. The gene discussed is CCL2; the disease is anemia.