The homing and migration of MSCs are mediated by tumour-cell-specific receptors, the extracellular matrix, and various inflammatory cytokines, chemokines, and growth factors (e.g., MCP-1, SDF-1, IL-8, TGF-β, and VEGF) [12,15,16,17]. The gene discussed is CXCL8; the disease is neoplasm.