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pubmed:abstractText |
Pretreatment of human neutrophils with pertussis toxin inhibits platelet-activating factor-mediated chemotaxis, superoxide generation, aggregation, and release of lysozyme. By contrast, superoxide generation observed in the presence of phorbol-12-myristate-13 acetate is unaffected. Our results suggest that a target protein for pertussis toxin, probably a GTP binding protein termed "Ni", is involved in the actions of platelet-activating factor on human neutrophils.
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