Summary
The specific IgE response that appears in subjects immunized with tetanus toxoid does not induce hypersensitivity reactions at subsequent immunizations. The type I immune response, therefore, was studied bothin vivo andin vitro, in 11 subjects who had specific IgE antibodies for tetanus toxoid. The results showed that: 1. the specific IgE antibodies are heterogeneous regarding their affinity for the mast cell and basophil receptors; 2. the specific IgG antibodies for tetanus toxoid, at serum concentrations, are not able to interfere with thein vitro specific basophil degranulation; 3. in the PEG precipitare there are aggregates of specific IgE antibodies for tetanus toxoid.In vitro, these molecular aggregates are not able to sensitize the basophil cells.
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Miadonna, A., Tedeschi, A., Leggieri, E. et al. Functional characterization of specific IgE antibodies for tetanus toxoid. La Ricerca Clin. Lab. 13, 235–245 (1983). https://doi.org/10.1007/BF02904837
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DOI: https://doi.org/10.1007/BF02904837