Mammalian protein found in Homo sapiens
Chemokine (C-X-C motif ) ligand 13 (CXCL13 ), also known as B lymphocyte chemoattractant (BLC ) or B cell-attracting chemokine 1 (BCA-1 ), is a protein ligand that in humans is encoded by the CXCL13 gene .[ 5] [ 6]
CXCL13 is a small chemokine belonging to the CXC chemokine family . As its other names suggest, this chemokine is selectively chemotactic for B cells belonging to both the B-1 and B-2 subsets , and elicits its effects by interacting with chemokine receptor CXCR5 .[ 5] [ 7] CXCL13 and its receptor CXCR5 control the organization of B cells within follicles of lymphoid tissues [ 8] and is expressed highly in the liver , spleen , lymph nodes , and gut of humans .[ 5] The gene for CXCL13 is located on human chromosome 4 in a cluster of other CXC chemokines.[ 6]
In T lymphocytes, CXCL13 expression is thought to reflect a germinal center origin of the T cell, particularly a subset of T cells called follicular B helper T cells (or TFH cells). Hence, expression of CXCL13 in T-cell lymphomas, such as angioimmunoblastic T-cell lymphoma, is thought to reflect a germinal center origin of the neoplastic T-cells.[ 9]
^ a b c GRCh38: Ensembl release 89: ENSG00000156234 – Ensembl , May 2017
^ a b c GRCm38: Ensembl release 89: ENSMUSG00000023078 – Ensembl , May 2017
^ "Human PubMed Reference:" . National Center for Biotechnology Information, U.S. National Library of Medicine .
^ "Mouse PubMed Reference:" . National Center for Biotechnology Information, U.S. National Library of Medicine .
^ a b c Legler DF, Loetscher M, Roos RS, Clark-Lewis I, Baggiolini M, Moser B (February 1998). "B cell-attracting chemokine 1, a human CXC chemokine expressed in lymphoid tissues, selectively attracts B lymphocytes via BLR1/CXCR5" . J. Exp. Med . 187 (4): 655–60. doi :10.1084/jem.187.4.655 . PMC 2212150 . PMID 9463416 .
^ a b Gunn MD, Ngo VN, Ansel KM, Ekland EH, Cyster JG, Williams LT (February 1998). "A B-cell-homing chemokine made in lymphoid follicles activates Burkitt's lymphoma receptor-1". Nature . 391 (6669): 799–803. Bibcode :1998Natur.391..799G . doi :10.1038/35876 . PMID 9486651 . S2CID 4373691 .
^ Ansel KM, Harris RB, Cyster JG (January 2002). "CXCL13 is required for B1 cell homing, natural antibody production, and body cavity immunity" . Immunity . 16 (1): 67–76. doi :10.1016/S1074-7613(01)00257-6 . PMID 11825566 .
^ Ansel KM, Ngo VN, Hyman PL, Luther SA, Förster R, Sedgwick JD, Browning JL, Lipp M, Cyster JG (July 2000). "A chemokine-driven positive feedback loop organizes lymphoid follicles". Nature . 406 (6793): 309–14. doi :10.1038/35018581 . PMID 10917533 . S2CID 4369622 .
^ de Leval L, Rickman DS, Thielen C, Reynies A, Huang YL, Delsol G, Lamant L, Leroy K, Brière J, Molina T, Berger F, Gisselbrecht C, Xerri L, Gaulard P (June 2007). "The gene expression profile of nodal peripheral T-cell lymphoma demonstrates a molecular link between angioimmunoblastic T-cell lymphoma (AITL) and follicular helper T (TFH) cells" . Blood . 109 (11): 4952–63. doi :10.1182/blood-2006-10-055145 . PMID 17284527 .
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