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Ricke-Hoch, Melanie; Stelling, Elisabeth; Lasswitz, Lisa; Gunesch, Antonia P; Kasten, Martina; Zapatero-Belinchón, Francisco J; Brogden, Graham; Gerold, Gisa; Pietschmann, Thomas; Montiel, Virginie; Balligand, Jean-Luc; Facciotti, Federica; Hirsch, Emilio; Gausepohl, Thomas; Elbahesh, Husni; Rimmelzwaan, Guus F; Höfer, Anne; Kühnel, Mark P; Jonigk, Danny; Eigendorf, Julian; Tegtbur, Uwe; Mink, Lena; Scherr, Michaela; Illig, Thomas; Schambach, Axel; Pfeffer, Tobias J; Hilfiker, Andres; Haverich, Axel; Hilfiker-Kleiner, Denise
PloS one, 08/2021, Letnik: 16, Številka: 8Journal Article
The SARS-CoV-2 coronavirus has led to a pandemic with millions of people affected. The present study finds that risk-factors for severe COVID-19 disease courses, i.e. male sex, older age and sedentary life style are associated with higher prostaglandin E2 (PGE2) serum levels in blood samples from unaffected subjects. In COVID-19 patients, PGE2 blood levels are markedly elevated and correlate positively with disease severity. SARS-CoV-2 induces PGE2 generation and secretion in infected lung epithelial cells by upregulating cyclo-oxygenase (COX)-2 and reducing the PG-degrading enzyme 15-hydroxyprostaglandin-dehydrogenase. Also living human precision cut lung slices (PCLS) infected with SARS-CoV-2 display upregulated COX-2. Regular exercise in aged individuals lowers PGE2 serum levels, which leads to increased Paired-Box-Protein-Pax-5 (PAX5) expression, a master regulator of B-cell survival, proliferation and differentiation also towards long lived memory B-cells, in human pre-B-cell lines. Moreover, PGE2 levels in serum of COVID-19 patients lowers the expression of PAX5 in human pre-B-cell lines. The PGE2 inhibitor Taxifolin reduces SARS-CoV-2-induced PGE2 production. In conclusion, SARS-CoV-2, male sex, old age, and sedentary life style increase PGE2 levels, which may reduce the early anti-viral defense as well as the development of immunity promoting severe disease courses and multiple infections. Regular exercise and Taxifolin treatment may reduce these risks and prevent severe disease courses.
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in: SICRIS
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