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  • Title: High susceptibility of cataract Shionogi (CTS) mice to passive anaphylactic shock mediated by allogeneic IgE and IgG1 monoclonal antibodies.
    Author: Harada M, Nagata M, Takeuchi M, Makino S, Aburahi S.
    Journal: Immunol Invest; 1991 Jun; 20(3):305-15. PubMed ID: 1874560.
    Abstract:
    The susceptibility of cataract Shionogi (CTS) mice as young as 8 to 10 weeks of age to passive anaphylactic shock mediated by anti-benzylpenicilloyl IgE and IgG1 monoclonal antibodies was compared with those of other strains of the same age including sister strains such as nonobese-diabetic (NOD) and nonobese-nondiabetic (NON). When the animals had been treated with killed Bordetella pertussis organisms, potent sensitization, enough to cause lethal shock, was produced by either monoclonal antibody preparation in CTS, NOD, C57BL/6J and DS/Shi strains, but not at all in C3H/He, DBA/2 and BALB/c strains. In the NON strain, lethal shock was elicited in the animals sensitized with the IgG1 antibody but not in those sensitized with the IgE antibody. Without the pertussis pretreatment, sensitization sufficient to cause lethal shock was produced at a high frequency by the IgG1 antibody in CTS and NOD mice but not in the other strains. When the IgE antibody was used, lethal shock was not observed in any of the mouse strains tested except for one CTS mouse. These results indicate that CTS as well as NOD are highly susceptible strains, and that IgG1 antibody is more effective than IgE antibody for producing systemic sensitization for anaphylactic shock. In addition to these findings, the results revealed an age-dependent potentiation of anaphylactic shock in CTS mice. The IgE antibody-mediated lethal shock was produced in all the aged animals of this mouse strain tested without the Bp treatment, but not in aged NOD and NON mice.
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