CCL2 and pulmonary tuberculosis: Increased release of chemokines, including IL-8/CXCL8, IP-10/CXCL10, MIG/CXCL9 and MCP-1/CCL2, has been observed in monocytes, alveolar macrophages and polymorphonuclear granulocytes in patients with pulmonary TB compared to healthy subjects [7], [8], [9].