Alcohol, clinical & experimental research · 2023
Chronic alcohol intake regulates expression of SARS-CoV2 infection-relevant genes in an organ-specific manner.
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Friske Marion M, Giannone Francesco, Senger Mona, Seitz Robin, Hansson Anita C, Spanagel Rainer
Аннотация
BACKGROUND: Chronic alcohol consumption and alcohol use disorder have a tremendous impact on the patient's psychological and physiological health. There is evidence that chronic alcohol consumption influences SARS-CoV2 infection risk, but so far, the molecular mechanism underlying such an effect is unknown.
METHODS: We generated the expression data of SARS-CoV2 infection-relevant genes (Ace2, Tmprss2, and Mas) in different organs in rat models of chronic alcohol exposure and alcohol dependence. Ace2 and Tmprss2 represent the virus entry point, whereas Mas activates the anti-inflammatory response once the cells are infected.
RESULTS: Across three different chronic alcohol test conditions, we found a consistent upregulation of Ace2 gene expression in the lung, which has been shown to be the most affected organ in COVID-19 patients. Other organs such as liver, ileum, kidney, heart, and brain also showed upregulation of Ace2 and Mas gene expression but less consistently across the different animal models, while Tmprss2 expression was unaffected in all conditions.
CONCLUSIONS: We conclude that alcohol-induced upregulation of Ace2 gene expression can lead to an elevated stochastic probability of virus entry into cells and may thus confer a molecular risk for SARS-CoV2 infection.
METHODS: We generated the expression data of SARS-CoV2 infection-relevant genes (Ace2, Tmprss2, and Mas) in different organs in rat models of chronic alcohol exposure and alcohol dependence. Ace2 and Tmprss2 represent the virus entry point, whereas Mas activates the anti-inflammatory response once the cells are infected.
RESULTS: Across three different chronic alcohol test conditions, we found a consistent upregulation of Ace2 gene expression in the lung, which has been shown to be the most affected organ in COVID-19 patients. Other organs such as liver, ileum, kidney, heart, and brain also showed upregulation of Ace2 and Mas gene expression but less consistently across the different animal models, while Tmprss2 expression was unaffected in all conditions.
CONCLUSIONS: We conclude that alcohol-induced upregulation of Ace2 gene expression can lead to an elevated stochastic probability of virus entry into cells and may thus confer a molecular risk for SARS-CoV2 infection.