SARS-CoV-2 suppresses mRNA expression of selenoproteins associated with ferroptosis, ER stress and DNA synthesis,bioRxiv - Microbiology

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SARS-CoV-2 suppresses mRNA expression of selenoproteins associated with ferroptosis, ER stress and DNA synthesis
bioRxiv - Microbiology Pub Date : 2020-08-04 , DOI: 10.1101/2020.07.31.230243
Yijun Wang , Jinbao Huang , Yong Sun , Jun He , Weiwei Li , Zhirong Liu , Ethan Will Taylor , Margaret P Rayman , Xiaochun Wan , Jinsong Zhang

A significant, positive association between selenium status and prognosis of SARS-CoV-2 infection has been identified among COVID-19 patients in China. Moreover, a German study revealed a pronounced deficit of serum selenium and SELENOP concentrations in COVID-19 patients, and selenium deficiency was associated with mortality risk from COVID-19. The present study investigated the influence of SARS-CoV-2 on gene expression of host selenoproteins which mediate many beneficial actions of selenium. We found that SARS-CoV-2 suppressed mRNA expression of selenoproteins associated with ferroptosis (GPX4), endoplasmic reticulum stress (SELENOF, SELENOK, SELENOM and SELENOS) and DNA synthesis (TXNRD3), while SARS-CoV-2 increased gene expression of IL-6 (an inflammatory cytokine positively correlated with severity of COVID-19), in Vero cells. These results provide a deeper insight into the connection between selenium and SARS-CoV-2 pathogenesis.

更新日期：2020-08-05

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