The mouse monoclonal antibody recognizes CD1b, a 44kDa type I glycoprotein associated with beta2-microglobulin. It is expressed on dendritic cells, Langerhans cells, thymocytes, and T acute lymphoblastic leukemia cells. The CD1 multigene family encodes five forms of the CD1 T-cell surface glycoprotein in human, designated CD1A, 1B, 1C, 1D and 1E. CD1, a type 1 membrane protein, has structural similarity to the MHC class I antigen and has been shown to present lipid antigens for recognition by T lymphocytes. Constitutive endocytosis of CD1B molecules and the differential sorting of MHC class II from lysosomes separate peptide- and lipid antigen-presenting molecules during dendritic cell maturation. CD1B is also expressed in interdigitating cells.
Knapp W. et al. (eds) Leukocyte Typing IV, p251-263, Oxford University Press, Oxford, 1989 | Maher JK and Kronenberg M. The role of CD1 molecules in immune responses to infection. Curr Opin Immunol 1997, 9(4):456-461Blumberg RS et al. Structure and function of the CD1 family of MHC-like cell surface proteins. Immunol Rev 1995, 147:5-29. | Salamone MC et al. Analysis of CD1 molecules on haematological malignancies of myeloid and lymphoid origin. II. Intracellular detection of CD1 antigens. Dis Markers 1990, 8(5):275-281
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