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Medical Microbiology and Immunology

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01.11.2012 | Review

Dendritic cells in Leishmania major infections: mechanisms of parasite uptake, cell activation and evidence for physiological relevance

verfasst von: Kordula Kautz-Neu, Kirsten Schwonberg, Michael R. Fischer, Anja I. Schermann, Esther von Stebut

Erschienen in: Medical Microbiology and Immunology | Ausgabe 4/2012

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Abstract

Leishmaniasis is one of the most important infectious diseases worldwide; a vaccine is still not available. Infected dendritic cells (DC) are critical for the initiation of protective Th1 immunity against Leishmania major. Phagocytosis of L. major by DC leads to cell activation, IL-12 release and (cross-) presentation of Leishmania antigens by DC. Here, we review the role of Fcγ receptor- and B cell-mediated processes for parasite internalization by DC. In addition, the early events after parasite inoculation that consist of mast cell activation, parasite uptake by skin-resident macrophages (MΦ), followed by neutrophil and monocyte immigration and DC activation are described. All these events contribute significantly to antigen processing in infected DC and influence resulting T cell priming in vivo. A detailed understanding of the role of DC for the development of efficient anti-Leishmania immunity will aid the development of potent anti-parasite drugs and/or vaccines.

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Titel: Dendritic cells in Leishmania major infections: mechanisms of parasite uptake, cell activation and evidence for physiological relevance
verfasst von: Kordula Kautz-Neu
Kirsten Schwonberg
Michael R. Fischer
Anja I. Schermann
Esther von Stebut
Publikationsdatum: 01.11.2012
Verlag: Springer-Verlag
Erschienen in: Medical Microbiology and Immunology / Ausgabe 4/2012
Print ISSN: 0300-8584
Elektronische ISSN: 1432-1831
DOI: https://doi.org/10.1007/s00430-012-0261-2

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Dendritic cells in Leishmania major infections: mechanisms of parasite uptake, cell activation and evidence for physiological relevance

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