首页> 外文期刊>Infection and immunity >Passive immunization of chickens against Eimeria maxima infection with a monoclonal antibody developed against a gametocyte antigen.
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Passive immunization of chickens against Eimeria maxima infection with a monoclonal antibody developed against a gametocyte antigen.

机译:用针对配子细胞抗原的单克隆抗体对鸡进行最大程度的艾美球虫感染被动免疫。

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Eimeria maxima gametocytes contain two major antigens with molecular masses of 56 and 82 kilodaltons (kDa) which are recognized by convalescent sera from immune chickens. Preparations enriched in these two antigens were used to immunize mice, and several monoclonal antibodies which specifically reacted with the 56-kDa antigen were produced. One of these monoclonal antibodies of the immunoglobulin M subclass, along with immune chicken sera raised against affinity-purified 56- and 82-kDa antigens, was used to passively immunize chicks. On the basis of the parameter of total oocyst output, it was found that these antibodies provided partial protection (40 to 50% inhibition) against E. maxima challenge infections.
机译:艾美球虫最大配子体细胞含有两种主要抗原,分子量分别为56和82千道尔顿(kDa),被免疫鸡的恢复期血清所识别。将富含这两种抗原的制剂用于免疫小鼠,并产生了几种与56-kDa抗原特异性反应的单克隆抗体。这些免疫球蛋白M亚类的单克隆抗体之一,以及针对亲和纯化的56 kDa和82 kDa抗原产生的免疫鸡血清,被用于被动免疫鸡。根据总卵囊产量的参数,发现这些抗体针对最大的大肠杆菌挑战感染提供了部分保护(抑制率为40%至50%)。

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