Microbiota-derived short-chain fatty acids do not interfere with SARS-CoV-2 infection of human colonic samples

LB Pascoal, PB Rodrigues, LM Genaro… - Gut …, 2021 - Taylor & Francis
LB Pascoal, PB Rodrigues, LM Genaro, ABSP Gomes, DA Toledo-Teixeira, PL Parise
Gut Microbes, 2021Taylor & Francis
Microbiota-derived molecules called short-chain fatty acids (SCFAs) play a key role in the
maintenance of the intestinal barrier and regulation of immune response during infectious
conditions. Recent reports indicate that SARS-CoV-2 infection changes microbiota and
SCFAs production. However, the relevance of this effect is unknown. In this study, we used
human intestinal biopsies and intestinal epithelial cells to investigate the impact of SCFAs in
the infection by SARS-CoV-2. SCFAs did not change the entry or replication of SARS-CoV-2 …
Abstract
Microbiota-derived molecules called short-chain fatty acids (SCFAs) play a key role in the maintenance of the intestinal barrier and regulation of immune response during infectious conditions. Recent reports indicate that SARS-CoV-2 infection changes microbiota and SCFAs production. However, the relevance of this effect is unknown. In this study, we used human intestinal biopsies and intestinal epithelial cells to investigate the impact of SCFAs in the infection by SARS-CoV-2. SCFAs did not change the entry or replication of SARS-CoV-2 in intestinal cells. These metabolites had no effect on intestinal cells’ permeability and presented only minor effects on the production of anti-viral and inflammatory mediators. Together our findings indicate that the changes in microbiota composition of patients with COVID-19 and, particularly, of SCFAs do not interfere with the SARS-CoV-2 infection in the intestine.
Taylor & Francis Online
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