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  • Title: Monoclonal IgE-dependent eosinophil cytotoxicity to haptenated schistosomula of Schistosoma japonicum: enhancement of the cytotoxicity and expression of Fc receptors for IgE by Nippostrongylus brasiliensis infection.
    Author: Kojima S, Yamamoto N, Kanazawa T, Ovary Z.
    Journal: J Immunol; 1985 Apr; 134(4):2719-22. PubMed ID: 3156188.
    Abstract:
    To obtain direct evidence for the involvement of IgE antibodies in eosinophil-mediated killing of schistosomula of S. japonicum, dinitrophenylated (DNP) schistosomula pretreated with mouse monoclonal IgE antibodies were co-cultured with purified rat peritoneal eosinophils. It was found that the eosinophil-mediated adherence and damage to haptenated schistosomula were dependent on a monoclonal anti-DNP IgE antibody, but not on monoclonal anti-ovalbumin IgE antibody. Moreover, eosinophils from N. brasiliensis-infected rats demonstrated an enhanced ability in the IgE-dependent damage to DNP-schistosomula as compared with the cells from normal rats. The enhancement was associated with an increase in the proportion of eosinophils expressing Fc receptors for IgE.
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