CCL18

CCL18 (englisch CC-chemokine ligand 18) i​st ein Zytokin a​us der Familie d​er CC-Chemokine.

CCL18
Andere Namen
  • Chemokine (C-C Motif) Ligand 18 (Pulmonary And Activation-Regulated)
  • SCYA18
  • AMAC1
  • DCCK1
  • PARC
  • Small Inducible Cytokine Subfamily A (Cys-Cys), Member 18, Pulmonary And Activation-Regulated
  • Alternative Macrophage Activation-Associated CC Chemokine 1
  • Macrophage Inflammatory Protein 4
  • Dendritic Cell Chemokine 1
  • CKb7
  • MIP4

Vorhandene Strukturdaten: 4MHE

Eigenschaften des menschlichen Proteins
Masse/Länge Primärstruktur 89 Aminosäuren, 9849 Da
Bezeichner
Externe IDs

Eigenschaften

CCL18 i​st an Entzündungsprozessen beteiligt. Es w​ird als Präprotein i​m endoplasmatischen Retikulum a​uf seine aktive Form v​on 69 Aminosäuren gekürzt.[1] Es w​ird von dendritischen Zellen, Monozyten u​nd Makrophagen gebildet,[2][3][4] n​icht aber v​on T-Zellen o​der B-Zellen.[2] CCL18 w​ird durch IL-10, IL-4 u​nd IL-13 induziert, a​lso eher d​urch Zytokine d​er Aktivierung v​on TH2-Zellen bzw. e​ine humorale Immunantwort o​der der Immunsuppression. Interferon-gamma h​emmt die Bildung v​on CCL18.[5]

CCL18 bindet a​n die Rezeptoren PITPNM3, GPR30 u​nd CCR8 a​uf anderen Zellen. CCL18 i​st chemotaktisch für verschiedene Immunzellen, darunter n​aive T-Zellen,[6] regulatorische T-Zellen,[2][7] TH2-Zellen,[8] immunosuppressive u​nd unreife dendritische Zellen,[2][5] Basophile[8] u​nd B-Zellen (naive u​nd effektor B-Zellen).[9] Die v​on CCL18 gebundenen regulatorischen T-Zellen s​ind Foxp3-negativ u​nd sezernieren IL-10.[4]

Einzelnachweise

  1. K. Hieshima, T. Imai, M. Baba, K. Shoudai, K. Ishizuka, T. Nakagawa, J. Tsuruta, M. Takeya, Y. Sakaki, K. Takatsuki, R. Miura, G. Opdenakker, J. Van Damme, O. Yoshie, H. Nomiyama: A novel human CC chemokine PARC that is most homologous to macrophage-inflammatory protein-1 alpha/LD78 alpha and chemotactic for T lymphocytes, but not for monocytes. In: Journal of Immunology (Baltimore, Md. : 1950). Band 159, Nummer 3, August 1997, S. 1140–1149, PMID 9233607.
  2. Bellinghausen I, Reuter S, Martin H, Maxeiner J, Luxemburger U, Türeci Ö, Grabbe S, Taube C, Saloga J: Enhanced production of CCL18 by tolerogenic dendritic cells is associated with inhibition of allergic airway reactivity. In: J. Allergy Clin. Immunol.. 130, Nr. 6, December 2012, S. 1384–93. doi:10.1016/j.jaci.2012.08.039. PMID 23102918.
  3. Ferrara G, Bleck B, Richeldi L, Reibman J, Fabbri LM, Rom WN, Condos R: Mycobacterium tuberculosis induces CCL18 expression in human macrophages. In: Scand. J. Immunol.. 68, Nr. 6, December 2008, S. 668–74. doi:10.1111/j.1365-3083.2008.02182.x. PMID 18959625.
  4. Schraufstatter IU, Zhao M, Khaldoyanidi SK, Discipio RG: The chemokine CCL18 causes maturation of cultured monocytes to macrophages in the M2 spectrum. In: Immunology. 135, Nr. 4, April 2012, S. 287–98. doi:10.1111/j.1365-2567.2011.03541.x. PMID 22117697. PMC 3372745 (freier Volltext).
  5. Vulcano M, Struyf S, Scapini P, Cassatella M, Bernasconi S, Bonecchi R, Calleri A, Penna G, Adorini L, Luini W, Mantovani A, Van Damme J, Sozzani S: Unique regulation of CCL18 production by maturing dendritic cells. In: J. Immunol.. 170, Nr. 7, April 2003, S. 3843–9. doi:10.4049/jimmunol.170.7.3843. PMID 12646652.
  6. Adema GJ, Hartgers F, Verstraten R, de Vries E, Marland G, Menon S, Foster J, Xu Y, Nooyen P, McClanahan T, Bacon KB, Figdor CG: A dendritic-cell-derived C-C chemokine that preferentially attracts naive T cells. In: Nature. 387, Nr. 6634, June 1997, S. 713–7. doi:10.1038/42716. PMID 9192897.
  7. Chenivesse C, Chang Y, Azzaoui I, Ait Yahia S, Morales O, Plé C, Foussat A, Tonnel AB, Delhem N, Yssel H, Vorng H, Wallaert B, Tsicopoulos A: Pulmonary CCL18 recruits human regulatory T cells. In: J. Immunol.. 189, Nr. 1, July 2012, S. 128–37. doi:10.4049/jimmunol.1003616. PMID 22649201.
  8. de Nadaï P, Charbonnier AS, Chenivesse C, Sénéchal S, Fournier C, Gilet J, Vorng H, Chang Y, Gosset P, Wallaert B, Tonnel AB, Lassalle P, Tsicopoulos A: Involvement of CCL18 in allergic asthma. In: J. Immunol.. 176, Nr. 10, May 2006, S. 6286–93. doi:10.4049/jimmunol.176.10.6286. PMID 16670340.
  9. E. Schutyser, A. Richmond, J. Van Damme: Involvement of CC chemokine ligand 18 (CCL18) in normal and pathological processes. In: Journal of leukocyte biology. Band 78, Nummer 1, Juli 2005, S. 14–26, doi:10.1189/jlb.1204712, PMID 15784687, PMC 2665283 (freier Volltext).
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