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Antibody in host defense against mouse pneumonitis agent (murine Chlamydia trachomatis).

机译:宿主抗小鼠肺炎药(鼠衣原体沙眼衣原体)的抗体。

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In a murine model of chlamydial pneumonia employing murine Chlamydia trachomatis, immune serum given intranasally delayed death in nude (nuu) mice and prevented death in nu/+ mice. Serum-derived immunoglobulin G and A fractions and immune lavage fluid fractions containing immunoglobulins G and A were effective in producing protection when used to opsonize the murine C. trachomatis inoculum. In hyperclean mice (previously made germfree and then colonized with a limited flora nonpathogenic to mice) antibody given intravenously was ineffective. The effects of antibody and nonspecific stimulation of cell-mediated immunity (after previous infection with Histoplasma capsulatum) were additive in increasing host resistance to murine C. trachomatis.
机译:在使用鼠衣原体沙眼衣原体的鼠衣原体肺炎鼠模型中,鼻内给予免疫血清可延迟裸鼠(nu / nu)的死亡,并防止nu / +小鼠的死亡。当用于调理鼠源性沙眼衣原体接种物时,血清来源的免疫球蛋白G和A组分以及含有免疫球蛋白G和A的免疫灌洗液组分可以有效地产生保护作用。在高度清洁的小鼠中(先前已使其无菌,然后在对小鼠无致病性的有限菌群中定植),静脉内给予抗体无效。抗体和细胞介导的免疫的非特异性刺激(先前用荚膜组织胞浆菌感染后)的作用可增加宿主对沙眼衣原体的抵抗力。

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