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    Immunol Lett. 1990 Aug;25(1-3):65-70.

    Hepatic phase of malaria is the target of cellular mechanisms induced by the previous and the subsequent stages. A crucial role for liver nonparenchymal cells.

    Source

    INSERM U 313 et Département de Parasitologie, Groupe Pitié-Salpétrière, Paris France.

    Abstract

    Both the sporozoites and the erythrocytic stages can modulate the hepatic phase by cytokines, notably IFN-gamma, TNF and IL-6, either directly or as a result of a cascade of events, and by MHC-restricted and antibody-dependent cell-mediated cytotoxicity. The role played by CD8+ T cells in inducing protective immunity against pre-erythrocytic stages is clearly established. The potential interest of triggering peptide-primed CD4+ T cells has to be considered regarding protection. Indeed, CD4+ T cells induced by the non-repetitive part of the CS protein of Plasmodium yoelii are protective, by eliminating malaria from hepatocytes. The crucial role of the liver NPC has to be emphasized, their participation in TNF schizonticidal effect and in ADCC mechanisms being strongly supported by our data.

    PMID:
    1980910
    [PubMed - indexed for MEDLINE]

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