In summary, our data show strong and positive associations between helminth infections, eosinophilia, and total IgE and an inverse association between helminth infections and SPT in helminth-infected children. To our knowledge, this is the first study to show that an increasing number of helminth infections induce a dose–response effect on these
allergic inflammatory markers. Our data demonstrate also that helminth infection, and especially multiple infections,
are associated with a Th2 immune response (e.g. the production of Th2 cytokines by PBLs stimulated with helminth
antigens and peripheral blood eosinophilia) but that such infections are associated with the upregulation of a regulatory network with an increase in unstimulated IL-10 production which could play a role in the suppression of immediate hypersensitivity reactions in the skin
In summary, our data show strong and positive associations between helminth infections, eosinophilia, and total IgE and an inverse association between helminth infections and SPT in helminth-infected children. To our knowledge, this is the first study to show that an increasing number of helminth infections induce a dose–response effect on these
allergic inflammatory markers. Our data demonstrate also that helminth infection, and especially multiple infections,
are associated with a Th2 immune response (e.g. the production of Th2 cytokines by PBLs stimulated with helminth
antigens and peripheral blood eosinophilia) but that such infections are associated with the upregulation of a regulatory network with an increase in unstimulated IL-10 production which could play a role in the suppression of immediate hypersensitivity reactions in the skin
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