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  • Title: Granulocyte-macrophage colony-stimulating factor (GM-CSF) and opsonization synergistically enhance leukotriene B4 (LTB4) synthesis induced by phagocytosis in human neutrophils.
    Author: Poubelle PE, Bourgoin S, Naccache PH, Borgeat P.
    Journal: Agents Actions; 1989 Jun; 27(3-4):388-90. PubMed ID: 2552767.
    Abstract:
    Normal human blood neutrophils were studied for their capacity to synthesize leukotriene B4 (LTB4) and its omega-oxidized metabolites after phagocytosis of zymosan. Phagocytosis of serum-opsonized particles led to a higher release of LTs than did unopsonized zymosan. The most striking effect of phagocytosis was observed when neutrophils were primed with granulocyte-macrophage colony-stimulating factor (GM-CSF): opsonization and GM-CSF synergistically increased LTB4 synthesis by neutrophils.
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