期刊
ENVIRONMENTAL MICROBIOLOGY
卷 24, 期 9, 页码 4299-4316出版社
WILEY
DOI: 10.1111/1462-2920.16028
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资金
- (Aviesan)
- GIS IBISA
- Region Occitanie
- Montpellier University d'Excellence (MUSE)
This study highlights a possible link between alterations in gut microbiota composition and levels of SARS-CoV-2 RNA in the gastrointestinal tract, which may have a greater impact on COVID-19 pathogenesis and severity than the presence of the virus in the respiratory tract and GI symptoms. The dysbiosis of gut microbiota may contribute to mechanisms such as inflammation-induced enterocyte damage, increased intestinal permeability, and activation of immune response, which could potentially drive the investigation of alternative therapeutic strategies to clear the virus and mitigate the effects of SARS-CoV-2 infection.
Since the beginning of the pandemic caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) the gastrointestinal (GI) tract has emerged as an important organ influencing the propensity to and potentially the severity of the related COVID-19 disease. However, the contribution of the SARS-CoV-2 intestinal infection on COVID-19 pathogenesis remains to be clarified. In this exploratory study, we highlighted a possible link between alterations in the composition of the gut microbiota and the levels of SARS-CoV-2 RNA in the gastrointestinal tract, which could be more important than the presence of SARS-CoV-2 in the respiratory tract, COVID-19 severity and GI symptoms. As established by metaproteomics, altered molecular functions in the microbiota profiles of high SARS-CoV-2 RNA level faeces highlight mechanisms such as inflammation-induced enterocyte damage, increased intestinal permeability and activation of immune response that may contribute to vicious cycles. Uncovering the role of this gut microbiota dysbiosis could drive the investigation of alternative therapeutic strategies to favour the clearance of the virus and potentially mitigate the effect of the SARS-CoV-2 infection.
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