CC Chemokine Receptor 7 Antibodies
C-C chemokine receptor 7 (CCR7), encoded by CCR7, is a class A G protein-coupled receptor activated by the endogenous chemokines CCL19 and CCL21. It couples predominantly to Gi/o and directs cell migration along chemokine gradients. CCR7 is expressed on naïve T cells, central memory T cells, and mature dendritic cells. It guides T-cell homing to lymph nodes and the migration of antigen-bearing dendritic cells from peripheral tissues to draining lymph nodes, where they can initiate adaptive immune responses. Although both ligands activate Gi/o signaling, CCL19 generally induces stronger receptor phosphorylation, β-arrestin recruitment, and internalization than CCL21 in experimental systems. CCR7 expression on some tumor cells has been associated with lymph node dissemination, and CCR7 signaling can help leukemic cells access supportive lymphoid niches. The anti-CCR7 monoclonal antibody CAP-100 has entered phase 1 testing in relapsed or refractory chronic lymphocytic leukemia and small lymphocytic lymphoma. No CCR7-targeted drug is currently approved for therapeutic use. For more information on CCR5 pharmacology please refer to the IUPHAR database. For further reading refer to:
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Bachelerie F, Ben-Baruch A, Burkhardt AM, Combadiere C, Farber JM, Graham GJ, Horuk R, Sparre-Ulrich AH, Locati M, Luster AD, Mantovani A, Matsushima K, Murphy PM, Nibbs R, Nomiyama H, Power CA, Proudfoot AE, Rosenkilde MM, Rot A, Sozzani S, Thelen M, Yoshie O, Zlotnik A. International Union of Basic and Clinical Pharmacology. LXXXIX. Update on the extended family of chemokine receptors and introducing a new nomenclature for atypical chemokine receptors. Pharmacol Rev. 2013 Nov 11;66(1):1-79. doi: 10.1124/pr.113.007724. Print 2014. Review. Erratum in: Pharmacol Rev. 2014 Apr;66(2):467. PubMed PMID: 24218476; PubMed Central PMCID: PMC3880466.