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Lechmann, M.* ; Krooshoop, D.J.E.B.* ; Dudziak, D.* ; Kremmer, E. ; Kuhnt, C.* ; Figdor, C.G.* ; Schuler, G.* ; Steinkasserer, A.*

The extracellular domain of CD83 inhibits dendritic cell-mediated T cell stimulation and binds to a ligand on dendritic cells.

J. Exp. Med. 194, 1813-1821 (2001)
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CD83 is an immunoglobulin (Ig) superfamily member that is upregulated during the maturation of dendritic cells (DCs). It has been widely used as a marker for mature DCs, but its function is still unknown. To approach its potential functional role, we have expressed the extracellular Ig domain of human CD83 (hCD83ext) as a soluble protein. Using this tool we could show that immature as well as mature DCs bind to CD83. Since CD83 binds a ligand also expressed on immature DCs, which do not express CD83, indicates that binding is not a homophilic interaction. In addition we demonstrate that hCD83ext interferes with DC maturation downmodulating the expression of CD80 and CD83, while no phenotypical effects were observed on T cells. Finally, we show that hCD83ext inhibits DC-dependent allogeneic and peptide-specific T cell proliferation in a concentration dependent manner in vitro. This is the first report regarding functional aspects of CD83 and the binding of CD83 to DCs.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Korrespondenzautor
Schlagwörter CD83 dendritic cells MLR T cell inhibition recombinant expression
ISSN (print) / ISBN 0022-1007
e-ISSN 1540-9538
Zeitschrift Journal of Experimental Medicine
Quellenangaben Band: 194, Heft: 12, Seiten: 1813-1821 Artikelnummer: , Supplement: ,
Verlag Rockefeller University Press
Nichtpatentliteratur Publikationen
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Molecular Immunology (IMI)