In contrast, several members of the CCL family [CCL2 = MCP-1, CCL3 = MIP-1α, CCL4 = MIP-1β, CCL5 = RANTES, CCL7 = MCP-3, CCL8 = MCP-2] were expressed in astrocytes, microglia and other inflammatory cells within MS lesions. The gene discussed is CCL7; the disease is myeloid sarcoma.