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The gut microbiome as a biomarker of differential susceptibility to SARS-CoV-2

Sarkar, A; Harty, S; Moeller, AH; Klein, SL; Erdman, SE; Friston, KJ; Carmody, RN; (2021) The gut microbiome as a biomarker of differential susceptibility to SARS-CoV-2. Trends in Molecular Medicine 10.1016/j.molmed.2021.09.009. (In press). Green open access

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Abstract

Coronavirus disease 2019 (COVID-19) continues to exact a devastating global toll. Ascertaining the factors underlying differential susceptibility and prognosis following viral exposure is critical to improving public health responses. We propose that gut microbes may contribute to variation in COVID-19 outcomes. We synthesise evidence for gut microbial contributions to immunity and inflammation, and associations with demographic factors affecting disease severity. We suggest mechanisms potentially underlying microbially mediated differential susceptibility to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). These include gut microbiome-mediated priming of host inflammatory responses and regulation of endocrine signalling, with consequences for the cellular features exploited by SARS-CoV-2 virions. We argue that considering gut microbiome-mediated mechanisms may offer a lens for appreciating differential susceptibility to SARS-CoV-2, potentially contributing to clinical and epidemiological approaches to understanding and managing COVID-19.

Type: Article
Title: The gut microbiome as a biomarker of differential susceptibility to SARS-CoV-2
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.molmed.2021.09.009
Publisher version: https://doi.org/10.1016/j.molmed.2021.09.009
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: COVID-19, immunity, immunological dark matter, inflammation, microbiota, modelling
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > UCL Queen Square Institute of Neurology > Imaging Neuroscience
URI: https://discovery.ucl.ac.uk/id/eprint/10138878
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