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

Microbiota-derived short-chain fatty acids do not interfere with SARS-CoV-2 infection of human colonic samples.
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DOI:
10.1080/19490976.2021.1874740
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发表时间:
2021-01
期刊:
影响因子:
12.2
通讯作者:
Leal RF
Leal RF
中科院分区:
医学2区
文献类型:
--
作者:
Pascoal LB;Rodrigues PB;Genaro LM;Gomes ABDSP;Toledo-Teixeira DA;Parise PL;Bispo-Dos-Santos K;Simeoni CL;Guimarães PV;Buscaratti LI;Elston JGA;Marques-Souza H;Martins-de-Souza D;Ayrizono MLS;Velloso LA;Proenca-Modena JL;Moraes-Vieira PMM;Mori MAS;Farias AS;Vinolo MAR;Leal RF

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微生物衍生的分子称为短链脂肪酸(SCFA),在感染条件下维持肠道屏障和调节免疫反应中起着关键作用。最近的报告表明,SARS-CoV-2感染会改变微生物群和SCFAs的产生。然而,这种效应的相关性尚不清楚。在这项研究中,我们使用人类肠道活检和肠上皮细胞来研究SCFAs在SARS-CoV-2感染中的影响。SCFAs没有改变SARS-CoV-2在肠细胞中的进入或复制。这些代谢物对肠细胞的通透性没有影响,并且对抗病毒和炎症介质的产生仅具有轻微的影响。总之,我们的研究结果表明,COVID-19患者微生物群组成的变化,特别是SCFA的变化,不会干扰肠道中的SARS-CoV-2感染。
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.
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