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Aschman T, Wyler E, Baum O, Hentschel A, Rust R, Legler F, Preusse C, Meyer-Arndt L, Büttnerova I, Förster A, Cengiz D, Alves LGT, Schneider J, Kedor C, Bellmann-Strobl J, Sanchin A, Goebel HH, Landthaler M, Corman V, Roos A, Heppner FL, Radbruch H, Paul F, Scheibenbogen C, Dengler NF, Stenzel W. Post-COVID exercise intolerance is associated with capillary alterations and immune dysregulations in skeletal muscles. Acta Neuropathol Commun 2023; 11:193. [PMID: 38066589 PMCID: PMC10704838 DOI: 10.1186/s40478-023-01662-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 09/29/2023] [Indexed: 12/18/2023] Open
Abstract
The SARS-CoV-2 pandemic not only resulted in millions of acute infections worldwide, but also in many cases of post-infectious syndromes, colloquially referred to as "long COVID". Due to the heterogeneous nature of symptoms and scarcity of available tissue samples, little is known about the underlying mechanisms. We present an in-depth analysis of skeletal muscle biopsies obtained from eleven patients suffering from enduring fatigue and post-exertional malaise after an infection with SARS-CoV-2. Compared to two independent historical control cohorts, patients with post-COVID exertion intolerance had fewer capillaries, thicker capillary basement membranes and increased numbers of CD169+ macrophages. SARS-CoV-2 RNA could not be detected in the muscle tissues. In addition, complement system related proteins were more abundant in the serum of patients with PCS, matching observations on the transcriptomic level in the muscle tissue. We hypothesize that the initial viral infection may have caused immune-mediated structural changes of the microvasculature, potentially explaining the exercise-dependent fatigue and muscle pain.
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Affiliation(s)
- Tom Aschman
- Department of Neuropathology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany.
| | - Emanuel Wyler
- Max Delbrück Center for Molecular Medicine, Berlin Institute for Medical Systems Biology, Berlin, Germany
| | - Oliver Baum
- Institute of Physiology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Andreas Hentschel
- Leibniz-Institut Für Analytische Wissenschaften - ISAS - E.V, Dortmund, Germany
| | - Rebekka Rust
- Experimental and Clinical Research Center and NeuroCure Clinical Research Center, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
- Institute of Medical Immunology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Franziska Legler
- Experimental and Clinical Research Center and NeuroCure Clinical Research Center, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Corinna Preusse
- Department of Neuropathology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
- Department of Neurology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Lil Meyer-Arndt
- Experimental and Clinical Research Center and NeuroCure Clinical Research Center, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Ivana Büttnerova
- Department of Autoimmune Diagnostics, Labor Berlin-Charité Vivantes GmbH, Berlin, Germany
| | - Alexandra Förster
- Department of Neuropathology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Derya Cengiz
- Department of Neurology, Medical Faculty, Heinrich-Heine-University, Düsseldorf, Germany
| | | | - Julia Schneider
- Institute of Virology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Claudia Kedor
- Institute of Medical Immunology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Judith Bellmann-Strobl
- Experimental and Clinical Research Center and NeuroCure Clinical Research Center, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Aminaa Sanchin
- Department of Neurosurgery, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Hans-Hilmar Goebel
- Department of Neuropathology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
- Department of Neuropathology, Universitätsmedizin Mainz, Mainz, Germany
| | - Markus Landthaler
- Max Delbrück Center for Molecular Medicine, Berlin Institute for Medical Systems Biology, Berlin, Germany
- Institute for Biology, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Victor Corman
- Institute of Virology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Andreas Roos
- Department of Pediatric Neurology, Faculty of Medicine, University Children's Hospital, University of Duisburg-Essen, Essen, Germany
- Department of Neurology Bergmannsheil, Heimer-Institut Für Muskelforschung am Bergmannsheil, Bochum, Germany
| | - Frank L Heppner
- Department of Neuropathology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
- Cluster of Excellence, NeuroCure, Berlin, Germany
- German Center for Neurodegenerative Diseases (DZNE) Berlin, Berlin, Germany
| | - Helena Radbruch
- Department of Neuropathology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Friedemann Paul
- Experimental and Clinical Research Center and NeuroCure Clinical Research Center, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
- Max Delbrueck Center for Molecular Medicine, Berlin, Germany
| | - Carmen Scheibenbogen
- Institute of Medical Immunology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Nora F Dengler
- Department of Neurosurgery, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
| | - Werner Stenzel
- Department of Neuropathology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt Universität zu Berlin, Berlin Institute of Health, Berlin, Germany
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Golomb BA, Han JH, Langsjoen PH, Dinkeloo E, Zemljic-Harpf AE. Statin Use in Relation to COVID-19 and Other Respiratory Infections: Muscle and Other Considerations. J Clin Med 2023; 12:4659. [PMID: 37510774 PMCID: PMC10380486 DOI: 10.3390/jcm12144659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 07/04/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
Statins have been widely advocated for use in COVID-19 based on large favorable observational associations buttressed by theoretical expected benefits. However, past favorable associations of statins to pre-COVID-19 infection outcomes (also buttressed by theoretical benefits) were unsupported in meta-analysis of RCTs, RR = 1.00. Initial RCTs in COVID-19 appear to follow this trajectory. Healthy-user/tolerator effects and indication bias may explain these disparities. Moreover, cholesterol drops in proportion to infection severity, so less severely affected individuals may be selected for statin use, contributing to apparent favorable statin associations to outcomes. Cholesterol transports fat-soluble antioxidants and immune-protective vitamins. Statins impair mitochondrial function in those most reliant on coenzyme Q10 (a mevalonate pathway product also transported on cholesterol)-i.e., those with existing mitochondrial compromise, whom data suggest bear increased risks from both COVID-19 and from statins. Thus, statin risks of adverse outcomes are amplified in those patients at risk of poor COVID-19 outcomes-i.e., those in whom adjunctive statin therapy may most likely be given. High reported rates of rhabdomyolysis in hospitalized COVID-19 patients underscore the notion that statin-related risks as well as benefits must be considered. Advocacy for statins in COVID-19 should be suspended pending clear evidence of RCT benefits, with careful attention to risk modifiers.
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Affiliation(s)
- Beatrice A. Golomb
- Department of Medicine, University of California, San Diego, La Jolla, CA 92093, USA;
| | - Jun Hee Han
- Department of Medicine, University of California, San Diego, La Jolla, CA 92093, USA;
| | | | - Eero Dinkeloo
- Navy and Marine Corps Public Health Center, Portsmouth, VA 23704, USA;
| | - Alice E. Zemljic-Harpf
- Department of Anesthesiology, University of California, San Diego, La Jolla, CA 92093, USA
- Veterans Affairs San Diego Healthcare System, San Diego, CA 92093, USA
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