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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Structural vaccinology to thwart antigenic variation in microbial pathogens
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Structural vaccinology to thwart antigenic variation in microbial pathogens

机译:预防微生物病原体抗原变异的结构疫苗学

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摘要

Pathogenic microbes evolve continuously to adapt to the immune responses of their infected hosts. For some pathogens, this presents a formidable challenge, because host adaptive immune responses may neutralize key virulence attributes of the microbe, thereby establishing immunity to subsequent infection (1). Under such immune selection, microbes evolve variants with altered antigenic but unaltered functional properties, thereby restoring virulence for invasion of hosts with neutralizing immunity because of prior exposure with another isolate of the same pathogen (2). How then can one find the key protective antigens of microbes, and what technologies may be applied to thwart their evasive strategies? Answers to these queries are provided in a paper by Nuccitelli et al. (3) in PNAS.
机译:病原微生物不断进化以适应其感染宿主的免疫反应。对于某些病原体,这是一个艰巨的挑战,因为宿主的适应性免疫反应可能会中和微生物的关键毒力属性,从而建立对后续感染的免疫力(1)。在这种免疫选择下,微生物进化出具有改变的抗原但未改变的功能特性的变体,从而由于先前暴露于相同病原体的另一种分离物而恢复了具有中和免疫力的宿主入侵的毒力(2)。那么如何找到微生物的关键保护性抗原,以及可以应用哪些技术来阻止其规避策略? Nuccitelli等人在论文中提供了对这些查询的答案。 (3)在PNAS中。

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