DG Enhances the Lactoferrin Anti-SARS-CoV-2 Response in Caco-2 Cells

Overview

Journal Gut Microbes

Specialties Gastroenterology
Microbiology

Date 2021 Aug 9

PMID 34365895

Citations 9

Authors

Claudio Salaris

Melania Scarpa

Marina Elli

Alice Bertolini

Simone Guglielmetti

Fabrizio Pregliasco

Paola Brun

Ignazio Castagliuolo

Affiliations

Soon will be listed here.

Abstract

The novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is causing the ongoing global pandemic of coronavirus disease 2019 (COVID-19), which primarily manifests with respiratory distress and may also lead to symptoms associated with the gastrointestinal tract. Probiotics are living microorganisms that have been shown to confer immune benefits. In this study, we investigated the immunomodulatory effects and anti-SARS-CoV-2 activity of three different probiotic strains, either alone or in combination with lactoferrin, using the intestinal epithelial Caco-2 cell line. Our results revealed that the DG strain significantly induced the expression of genes involved in protective antiviral immunity and prevented the expression of proinflammatory genes triggered by SARS-CoV-2 infection. Moreover, DG significantly inhibited SARS-CoV-2 infection DG also positively affected the antiviral immune activity of lactoferrin and significantly augmented its anti-SARS-CoV-2 activity in Caco-2 intestinal epithelial cells. Overall, our work shows that the probiotic strain DG is a promising candidate that exhibits prophylactic potential against SARS-CoV-2 infection.

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