1 Laboratory of Microbiota and Immunomodulation, Department of Biochemistry and Immunology, Instituto de Ciências Biológicas, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.
2 Department of General Biology, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.
J Interferon Cytokine Res. 2019 Jul;39(7):393-409. doi: 10.1089/jir.2019.0011. Epub 2019 Apr 23.
The gastrointestinal tract encounters a wide variety of microorganisms, including beneficial symbionts, pathobionts, and pathogens. Recent evidence has shown that the gut microbiota, directly or indirectly through its components, such as metabolites, actively participates in the host inflammatory response by cytokine-microbiota or microbiota-cytokine modulation interactions, both in the gut and systemically. Therefore, further elucidation of host cytokine molecular pathways and microbiota components will provide a novel and promising therapeutic approach to control or prevent inflammatory disease and to maintain host homeostasis. The purpose of this review is to summarize well-established scientific findings and provide an updated overview regarding the direct and indirect mechanisms by which the gut microbiota can influence the inflammatory response by modulating the host's cytokine pathways that are mostly involved, but not exclusively so, with gut homeostasis. In addition, we will highlight recent results from our group, which suggest that the microbiota promotes cytokine release from inflammatory cells though activation of microbial metabolite sensor receptors that are more highly expressed on inflammatory and intestinal epithelial cells.
胃肠道会遇到各种各样的微生物,包括有益的共生体、条件致病菌和病原体。最近的证据表明,肠道微生物群通过其成分(如代谢物)直接或间接地参与宿主炎症反应,通过细胞因子-微生物群或微生物群-细胞因子的调节相互作用,无论是在肠道内还是全身性的。因此,进一步阐明宿主细胞因子分子途径和微生物群组成将为控制或预防炎症性疾病和维持宿主内稳态提供一种新颖且有前途的治疗方法。本综述的目的是总结已确立的科学发现,并提供关于肠道微生物群通过调节宿主细胞因子途径间接和直接影响炎症反应的最新概述,这些途径主要涉及,但不仅限于肠道内稳态。此外,我们将重点介绍我们小组的最新结果,该结果表明,微生物群通过激活在炎症细胞和肠上皮细胞上表达更高的微生物代谢物传感器受体,促进细胞因子从炎症细胞中的释放。
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