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Title: Cxcl13  
Author: World Heritage Encyclopedia
Language: English
Subject: Lymph node stromal cell, Outline of immunology, Blc, CXCR5, Chromosome 4 (human)
Publisher: World Heritage Encyclopedia


Chemokine (C-X-C motif) ligand 13
Symbols  ; ANGIE; ANGIE2; BCA-1; BCA1; BLC; BLR1L; SCYB13
External IDs GeneCards:
Species Human Mouse
RefSeq (mRNA)
RefSeq (protein)
Location (UCSC)
PubMed search

C-X-C motif chemokine 13 (CXCL13) also known as B lymphocyte chemoattractant (BLC) is a protein that in humans is encoded by the CXCL13 gene.[1][2]


CXCL13 is a small follicles of lymphoid tissues.[4] and is expressed highly in the liver, spleen, lymph nodes, and gut of humans.[1] The gene for CXCL13 is located on human chromosome 4 in a cluster of other CXC chemokines.[2]

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.[5]


  1. ^ 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.  
  2. ^ 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.  
  3. ^ 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.  
  4. ^ 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.  
  5. ^ 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.  

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