The dynamic influence of commensal bacteria on the immune response to pathogens.

The dynamic influence of commensal bacteria on the immune response to pathogens.
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DOI:
10.1016/j.mib.2012.12.002
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发表时间:
2013-02
影响因子:
5.4
通讯作者:
Artis D
Artis D
中科院分区:
生物学2区
文献类型:
--
作者:
Abt MC;Artis D

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共生细菌群落组成的改变与人类对多种炎症、过敏、代谢和传染病的易感性增强有关。在感染的情况下,共生细菌衍生的信号可以通过作为佐剂来增强对感染的免疫反应,或通过提供补品刺激来诱导宿主防御所需因子的基础表达,从而影响宿主对入侵病原体的免疫反应。相反,一些病原体已经进化出可以利用共生细菌在宿主内建立复制优势的机制。因此,研究哺乳动物宿主、共生细菌和侵袭性病原体之间存在的动态关系可以为了解感染的病因学发病机制提供见解。
Alterations in the composition of commensal bacterial communities are associated with enhanced susceptibility to multiple inflammatory, allergic, metabolic and infectious diseases in humans. In the context of infection, commensal bacteria-derived signals can influence the host immune response to invasive pathogens by acting as an adjuvant to boost the immune response to infection or by providing tonic stimulation to induce basal expression of factors required for host defense. Conversely, some pathogens have evolved mechanisms that can utilize commensal bacteria to establish a replicative advantage within the host. Thus, examining the dynamic relationship that exists between the mammalian host, commensal bacteria and invasive pathogens can provide insights into the etiology of pathogenesis from an infection.
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