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Protein CCL17 PDB 1nr2.png
Available structures
PDB Human UniProt search: PDBe RCSB
Aliases CCL17, A-152E5.3, ABCD-2, SCYA17, TARC, C-C motif chemokine ligand 17
External IDs MGI: 1329039 HomoloGene: 2246 GeneCards: CCL17
RNA expression pattern
PBB GE CCL17 207900 at fs.png
More reference expression data
Species Human Mouse
RefSeq (mRNA)



RefSeq (protein)



Location (UCSC) Chr 16: 57.4 – 57.42 Mb Chr 8: 94.81 – 94.81 Mb
PubMed search [1] [2]
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Chemokine (C-C motif) ligand 17 (CCL17) (also known as TARC) is a small cytokine belonging to the CC chemokine family is also known as thymus and activation regulated chemokine (TARC). CCL17 is expressed constitutively in thymus, but only transiently in phytohemagglutinin-stimulated peripheral blood mononuclear cells.[3] This chemokine specifically binds and induces chemotaxis in T cells and elicits its effects by interacting with the chemokine receptor CCR4.[3][4] The gene for CCL17 is located on chromosome 16, in humans, along with other chemokines called CCL22 and CX3CL1.[5][6]


  1. ^ "Human PubMed Reference:". 
  2. ^ "Mouse PubMed Reference:". 
  3. ^ a b Imai T, Yoshida T, Baba M, Nishimura M, Kakizaki M, Yoshie O (1996). "Molecular cloning of a novel T cell-directed CC chemokine expressed in thymus by signal sequence trap using Epstein-Barr virus vector". J. Biol. Chem. 271 (35): 21514–21. doi:10.1074/jbc.271.35.21514. PMID 8702936. 
  4. ^ Imai T, Baba M, Nishimura M, Kakizaki M, Takagi S, Yoshie O (1997). "The T cell-directed CC chemokine TARC is a highly specific biological ligand for CC chemokine receptor 4". J. Biol. Chem. 272 (23): 15036–42. doi:10.1074/jbc.272.23.15036. PMID 9169480. 
  5. ^ Nomiyama H, Imai T, Kusuda J, Miura R, Callen DF, Yoshie O (1997). "Assignment of the human CC chemokine gene TARC (SCYA17) to chromosome 16q13". Genomics. 40 (1): 211–3. doi:10.1006/geno.1996.4552. PMID 9070951. 
  6. ^ Nomiyama H, Imai T, Kusuda J, Miura R, Callen DF, Yoshie O (1998). "Human chemokines fractalkine (SCYD1), MDC (SCYA22) and TARC (SCYA17) are clustered on chromosome 16q13". Cytogenet. Cell Genet. 81 (1): 10–1. doi:10.1159/000015000. PMID 9691168. 

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