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lüll CXCL12 (SDF-1)/CXCR4 pathway in cancer Teicher BA; Fricker SPClin Cancer Res 2010[Jun]; 16 (11): 2927-31Chemokines, small proinflammatory chemoattractant cytokines that bind to specific G-protein-coupled seven-span transmembrane receptors, are major regulators of cell trafficking and adhesion. The chemokine CXCL12 [stromal cell-derived factor-1 (SDF-1)] binds primarily to CXC receptor 4 (CXCR4; CD184). The binding of CXCL12 to CXCR4 induces intracellular signaling through several divergent pathways initiating signals related to chemotaxis, cell survival and/or proliferation, increase in intracellular calcium, and gene transcription. CXCR4 is expressed on multiple cell types including lymphocytes, hematopoietic stem cells, endothelial and epithelial cells, and cancer cells. The CXCL12/CXCR4 axis is involved in tumor progression, angiogenesis, metastasis, and survival. This pathway is a target for therapeutics that can block the CXCL12/CXCR4 interaction or inhibit downstream intracellular signaling.|Chemokine CXCL12/*metabolism[MESH]|Drug Delivery Systems[MESH]|Humans[MESH]|Neoplasms/drug therapy/genetics/*metabolism[MESH]|Receptors, CXCR4/*antagonists & inhibitors[MESH]|Signal Transduction/genetics[MESH] |