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Multi-target mode of action of Sulfodyne, a stabilized Sulforaphane, against pathogenic effects of SARS-CoV-2 infection

ABSTRACT: The coronavirus disease 2019 (COVID-19) due to the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has shown that, except vaccination, few therapeutics options for its treatment or prevention are available. Among the pathways that can be targeted for COVID-19 treatment, the Keap1/Nrf2 pathway seems of high interest as it regulates redox homeostasis and inflammation that are altered during SARS-CoV-2 infection. Here, we use three potent activators of the Keap1/Nrf2 pathway and showed that Sulfodyne, a stabilized natural Sulforaphane preparation with optimal bioavailability, had the highest antiviral activity in pulmonary or colonic epithelial cell lines even when added late after SARS-CoV-2 infection. This antiviral activity was not dependent on NRF2 activity but associated with action on ER stress and mTOR signaling that are activated during SARS-CoV-2 infection. Sulfodyne also decreased the inflammatory response of epithelial cell lines infected by SARS-CoV-2 independently of SARS-CoV-2 replication and reduced the activation of human monocytes that are recruited after infection of epithelial cells by SARS-CoV-2. Administration of Sulfodyne had little effects on SARS-CoV-2 replication in mice and hamsters infected with SARS-CoV-2 but significantly reduced weight loss and disease severity. Altogether, these results pinpoint the natural compound Sulfodyne as a potent therapeutic agent of COVID-19 symptomatology

ORGANISM(S): Homo sapiens

PROVIDER: GSE243268 | GEO | 2024/04/10

REPOSITORIES: GEO

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