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Role of CD83 in the immunomodulation of dendritic cells

Matthias Lechmann1, Elisabeth Zinser, Antje Golka

  • 1Department of Dermatology, University of Erlangen-Nürnberg, Erlangen, Germany.

International Archives of Allergy and Immunology
|October 31, 2002
PubMed

Insights

Glycoprotein CD83 is crucial for dendritic cell (DC) maturation and immune responses. Studies show CD83 plays key roles in T cell proliferation and generation, highlighting its immunomodulatory functions.

Area of Science:

  • Immunology
  • Cell Biology

Background:

  • Glycoprotein CD83 is a well-established marker for human dendritic cell (DC) maturation.
  • Its upregulation with co-stimulatory molecules (CD80, CD86) suggests a role in immune response induction.

Purpose of the Study:

  • To investigate the functional role of CD83 in dendritic cell biology and immune responses.
  • To elucidate the immunostimulatory and regulatory effects of CD83.

Main Methods:

  • Utilizing infection studies with herpes simplex virus type 1 (HSV-1).
  • Investigating CD83 mRNA nuclear-to-cytoplasmic transport inhibition.
  • Employing a soluble form of the extracellular CD83 domain to inhibit DC-mediated T cell proliferation.
  • Analyzing CD83-/- knockout mice to assess T cell generation.

Main Results:

  • A soluble CD83 domain completely inhibited DC-mediated T cell proliferation.
  • CD83 exhibits both immunostimulatory and regulatory effects.
  • CD83-/- knockout mice showed a block in CD4+ T cell generation.

Conclusions:

  • CD83 is essential for DC biology and plays a significant role in T cell responses.
  • CD83 possesses novel immunomodulatory functions, impacting T cell generation.

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