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CD15 (3-fucosyl-N-acetyl-lactosamine) is a cluster of differentiation antigen - an immunologically significant molecule. CD15 is a carbohydrate[1] adhesion molecule (not a protein) that can be expressed on glycoproteins, glycolipids and proteoglycans.


CD15 mediates phagocytosis and chemotaxis, found on neutrophils;[2] expressed in patients with Hodgkin disease, some B-cell chronic lymphocytic leukemias, acute lymphoblastic leukemias, and most acute nonlymphocytic leukemias. It is also called Lewis x and SSEA-1 (stage specific embryonic antigen 1) and represents a marker for murine pluripotent stem cells, in which it plays an important role in adhesion and migration of the cells in the preimplantation embryo. It is synthezised by FUT4 (fucosyltransferase 4) and FUT9.[3]

See also


  1. ^ MeSH CD15+Antigen
  2. ^ Kerr MA, Stocks SC (November 1992). "The role of CD15-(Le(X))-related carbohydrates in neutrophil adhesion". Histochem. J. 24 (11): 811–26. PMID 1362195.  
  3. ^ Nakayama F, Nishihara S, Iwasaki H, Kudo T, Okubo R, Kaneko M, Nakamura M, Karube M, Sasaki K, Narimatsu H (May 2001). "CD15 expression in mature granulocytes is determined by alpha 1,3-fucosyltransferase IX, but in promyelocytes and monocytes by alpha 1,3-fucosyltransferase IV". J. Biol. Chem. 276 (19): 16100–6. doi:10.1074/jbc.M007272200. PMID 11278338.  


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