Abstract
The effect of disodium 4-chloro-2,2-iminodibenzoate (CCA) on IgE antibody response was examined in C3H/A and (BALB/c×C57BL/6J) F1 hybrid mice immunized with low doses of ovalbumin (OA) adsorbed on aluminium hydroxide gel. CCA administered orally at the doses of 5 and 50 mg/kg/day reduced IgE antibody production in these mice as determined by PCA test. High doses of CCA (100 mg/kg/day) given from day 7 before immunization of C57BL mice and during 1 week after immunization of mice with OA and Bordetella Pertussis Vaccine reduced the mortality of these mice subjected to anaphylactic shock on day 7 of immunization. CCA treatment was ineffective in anaphylactic shock of C57BL mice immunized with very high dose of OA, known to elicit little or no IgE antibody production but high IgG antibody response.
The treatment of OA-immunized Guinea pigs with one oral dose of CCA (100 mg/kg) did not reduce mortality in protracted anaphylactic shock. Our results demonstrate that CCA inhibits IgE production as well as IgE mediated hypersensitivity reactions in mice.
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González, R., Carbajal, D. & Wyczolkowska, J. The effect of disodium 4-chloro-2-iminodibenzoate (CCA) on IgE levels and anaphylactic shock. Agents and Actions 28, 168–172 (1989). https://doi.org/10.1007/BF01967397
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DOI: https://doi.org/10.1007/BF01967397