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Epigenetic Clocks Are Not Accelerated in COVID-19 Patients.
Franzen, Julia; Nüchtern, Selina; Tharmapalan, Vithurithra; Vieri, Margherita; Nikolic, Milos; Han, Yang; Balfanz, Paul; Marx, Nikolaus; Dreher, Michael; Brümmendorf, Tim H; Dahl, Edgar; Beier, Fabian; Wagner, Wolfgang.
  • Franzen J; Helmholtz-Institute for Biomedical Engineering, Stem Cell Biology and Cellular Engineering, Medical Faculty of RWTH Aachen University, 52074 Aachen, Germany.
  • Nüchtern S; Helmholtz-Institute for Biomedical Engineering, Stem Cell Biology and Cellular Engineering, Medical Faculty of RWTH Aachen University, 52074 Aachen, Germany.
  • Tharmapalan V; Helmholtz-Institute for Biomedical Engineering, Stem Cell Biology and Cellular Engineering, Medical Faculty of RWTH Aachen University, 52074 Aachen, Germany.
  • Vieri M; Department of Hematology, Oncology, Hemostaseology and Stem Cell Transplantation, University Hospital Aachen, RWTH Aachen University, 52074 Aachen, Germany.
  • Nikolic M; Center for Integrated Oncology Aachen Bonn Cologne Düsseldorf (CIO ABCD), 52074 Aachen, Germany.
  • Han Y; Helmholtz-Institute for Biomedical Engineering, Stem Cell Biology and Cellular Engineering, Medical Faculty of RWTH Aachen University, 52074 Aachen, Germany.
  • Balfanz P; Helmholtz-Institute for Biomedical Engineering, Stem Cell Biology and Cellular Engineering, Medical Faculty of RWTH Aachen University, 52074 Aachen, Germany.
  • Marx N; Department of Cardiology, Angiology and Intensive Care Medicine (Department of Internal Medicine I), University Hospital Aachen, RWTH Aachen University, 52074 Aachen, Germany.
  • Dreher M; Department of Cardiology, Angiology and Intensive Care Medicine (Department of Internal Medicine I), University Hospital Aachen, RWTH Aachen University, 52074 Aachen, Germany.
  • Brümmendorf TH; Department of Pneumology and Intensive Care Medicine, University Hospital Aachen, RWTH Aachen University, 52074 Aachen, Germany.
  • Dahl E; Department of Hematology, Oncology, Hemostaseology and Stem Cell Transplantation, University Hospital Aachen, RWTH Aachen University, 52074 Aachen, Germany.
  • Beier F; Center for Integrated Oncology Aachen Bonn Cologne Düsseldorf (CIO ABCD), 52074 Aachen, Germany.
  • Wagner W; Institute of Pathology, University Hospital Aachen, RWTH Aachen University, 52074 Aachen, Germany.
Int J Mol Sci ; 22(17)2021 Aug 27.
Article in English | MEDLINE | ID: covidwho-1374428
Preprint
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ABSTRACT
Age is a major risk factor for severe outcome of the 2019 coronavirus disease (COVID-19). In this study, we followed the hypothesis that particularly patients with accelerated epigenetic age are affected by severe outcomes of COVID-19. We investigated various DNA methylation datasets of blood samples with epigenetic aging signatures and performed targeted bisulfite amplicon sequencing. Overall, epigenetic clocks closely correlated with the chronological age of patients, either with or without acute respiratory distress syndrome. Furthermore, lymphocytes did not reveal significantly accelerated telomere attrition. Thus, these biomarkers cannot reliably predict higher risk for severe COVID-19 infection in elderly patients.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Aging / Epigenesis, Genetic / COVID-19 Type of study: Observational study / Prognostic study Topics: Long Covid Limits: Adult / Aged / Female / Humans / Male / Middle aged Language: English Year: 2021 Document Type: Article Affiliation country: Ijms22179306

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Aging / Epigenesis, Genetic / COVID-19 Type of study: Observational study / Prognostic study Topics: Long Covid Limits: Adult / Aged / Female / Humans / Male / Middle aged Language: English Year: 2021 Document Type: Article Affiliation country: Ijms22179306