TY - JOUR AU - Siracusano, A AB - SUMMARY The role of cytokines in human hydatidosJs (Echinococcus granulosus infection) was evaluated in immunoassays determining production of IL-4, IL-10 and interferon-gamma (IFN-γ) in peripheral blood mononuclear cell (PBMC) cultures from 30 hydatid patients and 14 uninfected controls. In ceil cultures from hydatid patients parasite and non-parasite antigen stimulation significantly increased IL-4 production (P·0·005). Spontaneous and milogen-driven IL-4 production was similar in patients and controls. IL-10 and IFN-γ production did not differ statistically in the two groups, even though some hydatid patients produced these cytokines in large amounts. Notably, antigen-driven IFN-γ concentrations were invariably higher in patients than in uninfected controls. Data analysis showed a relationship between IgE and IgG4 responses and parasite-driven cytokine production. High IgE and IgG4 responders produced high IL-4 and IL-10 concentrations. High IgE responders showed decreased IFN-γ production, but high IgG4 responders had IFN-γ levels slightly higher than those of low responders. Cytokine response patterns did not relate to the clinical stage of disease. The significantly increased IL-4 and the high IL-10 concentrations found in PBMC from many hydatid patients in this study are consistent with Th2 cell activation in human hydatidosis. The presence of antigen-driven IFN-γ production in patients with E. granulosus infection implies concurrent intervention of the Th1 or Th0 cell subset. Echinococcus granulosus, cytokines Th1 and Th2 cells, IgB/IgG4 References 1 Afferni C , Pini C, Misiti-Dorello P et al. Detection of specific IgE antibodies in sera from patients with hydatidosis . Clin Exp Immunol 1984 ; 55 : 587 – 92 . Google Scholar PubMed OpenURL Placeholder Text WorldCat 2 Aceti A , Pennica A, Teggi A et al. IgG subclasses in human hydatid disease: prominence of the IgG4 response . 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Google Scholar Crossref Search ADS WorldCat This content is only available as a PDF. © 1995 Blackwell Science Ltd This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model) TI - In vitro production of cytokines by peripheral blood mononuclear cells from hydatid patients JO - Clinical & Experimental Immunology DO - 10.1111/j.1365-2249.1995.tb05569.x DA - 2008-06-28 UR - https://www.deepdyve.com/lp/oxford-university-press/in-vitro-production-of-cytokines-by-peripheral-blood-mononuclear-cells-x8pbSPUnRo SP - 433 EP - 439 VL - 99 IS - 3 DP - DeepDyve ER -