沙尘环境与人体微生态免疫调控的关系研究

Relationship between Human Microbial Ecological Immune Regulation and Sand Dust Environment

  • 摘要: 沙尘污染是城市居民呼吸道感染的主要环境诱因。应用文献法对国内外有关环境与人体微生态群落变化的研究报道进行归纳总结,探寻沙尘暴引起机体细胞的免疫应答、氧化损伤以及细胞免疫功能的变化规律,并与沙尘暴暴发引起的优势致病菌定量、定位的群落变化进行比较分析,揭示沙尘环境下人体微生物群落的变化规律,系统分析环境刺激-人体微生态平衡-还原型辅酶Ⅱ(NADPH)介导产生的活性氧簇(ROS)调控细胞功能的耦合机制,阐明环境因素、微生物群落及宿主与人体微生态免疫调控的关系及其目前的研究现状。为日益严重的沙尘污染引起的流行性地方病研究和预防提供理论依据。

     

    Abstract: Sand dust pollution is a major environmental factor for respiratory infections among urban residents. This paper summarized domestic and international studies on the changes of environment and human microbial ecological communities through published studies to describe immune response, oxidative damage, and changes in cellular immune function induced by sand dust storm. In comparing the changes of quantity and locations in dominant pathogen communities after sand dust storm, the patterns of human microbial communities in sand dust environment were revealed. The paper also systematically analyzed the coupling mechanism of environmental stimuli-human microbial ecological balance-reactive oxygen species(ROS) production mediated by nicotinamide adenine dinucleotide phosphate(NADPH) oxidase that regulate cell functions, as well as expounded current research on the relationship of human microbial ecological immune regulation with environmental factors, microbial communities and hosts, aiming to provide a theoretical basis for the research and prevention of epidemic endemic caused by increasing sand dust pollution.

     

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