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Protection against mycoplasma infection using expression-library immunization.

机译:使用表达文库免疫预防支原体感染。

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摘要

As is evident from the human immunodeficiency virus epidemic, there is no systematic method for producing a vaccine. Genetic immunization is a new approach to vaccine production that has many of the advantages of live/attenuated pathogens but no risk of infection. It involves introducing DNA encoding a pathogen protein into host cells and has shown promise in several disease models. Here we describe a new method for vaccine development, expression-library immunization, which makes use of the technique of genetic immunization and the fact that all the antigens of a pathogen are encoded in its DNA. An expression library of pathogen DNA is used to immunize a host thereby producing the effects of antigen presentation of a live vaccine without the risk. We show that even partial expression libraries made from the DNA of Mycoplasma pulmonis, a natural pathogen in rodents, provide protection against challenge from the pathogen. Expression library immunization may prove to be a general method for vaccination against any pathogen.
机译:从人类免疫缺陷病毒的流行可以明显看出,没有系统的方法来生产疫苗。基因免疫是疫苗生产的一种新方法,具有活/减毒病原体的许多优点,但无感染风险。它涉及将编码病原体蛋白质的DNA引入宿主细胞,并在多种疾病模型中显示出了希望。在这里,我们描述了一种用于疫苗开发的新方法,即表达文库免疫,它利用了基因免疫技术以及病原体的所有抗原都编码在其DNA中的事实。病原体DNA的表达文库用于免疫宿主,从而产生活疫苗的抗原呈递效果,而没有风险。我们显示,即使是由肺炎支原体的DNA(啮齿动物中的一种天然病原体)制成的部分表达文库,也可以提供针对病原体挑战的保护。表达文库免疫可能被证明是针对任何病原体进行疫苗接种的通用方法。

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