Cardiac Function Remains Impaired Despite Reversible Cardiac Remodeling after Acute Experimental Viral Myocarditis
Background. Infection with Coxsackievirus B3 induces myocarditis. We aimed to compare the acute and chronic phases of viral myocarditis to identify the immediate effects of cardiac inflammation as well as the long-term effects after resolved inflammation on cardiac fibrosis and consequently on cardi...
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Format: | Article |
Language: | English |
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Wiley
2017-01-01
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Series: | Journal of Immunology Research |
Online Access: | http://dx.doi.org/10.1155/2017/6590609 |
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author | Peter Moritz Becher Frauke Gotzhein Karin Klingel Felicitas Escher Stefan Blankenberg Dirk Westermann Diana Lindner |
author_facet | Peter Moritz Becher Frauke Gotzhein Karin Klingel Felicitas Escher Stefan Blankenberg Dirk Westermann Diana Lindner |
author_sort | Peter Moritz Becher |
collection | DOAJ |
description | Background. Infection with Coxsackievirus B3 induces myocarditis. We aimed to compare the acute and chronic phases of viral myocarditis to identify the immediate effects of cardiac inflammation as well as the long-term effects after resolved inflammation on cardiac fibrosis and consequently on cardiac function. Material and Methods. We infected C57BL/6J mice with Coxsackievirus B3 and determined the hemodynamic function 7 as well as 28 days after infection. Subsequently, we analyzed viral burden and viral replication in the cardiac tissue as well as the expression of cytokines and matrix proteins. Furthermore, cardiac fibroblasts were infected with virus to investigate if viral infection alone induces profibrotic signaling. Results. Severe cardiac inflammation was determined and cardiac fibrosis was consistently colocalized with inflammation during the acute phase of myocarditis. Declined cardiac inflammation but no significantly improved hemodynamic function was observed 28 days after infection. Interestingly, cardiac fibrosis declined to basal levels as well. Both cardiac inflammation and fibrosis were reversible, whereas the hemodynamic function remains impaired after healed viral myocarditis in C57BL/6J mice. |
format | Article |
id | doaj-art-00c9549f178b485f813b603deecc294c |
institution | Kabale University |
issn | 2314-8861 2314-7156 |
language | English |
publishDate | 2017-01-01 |
publisher | Wiley |
record_format | Article |
series | Journal of Immunology Research |
spelling | doaj-art-00c9549f178b485f813b603deecc294c2025-02-03T01:12:42ZengWileyJournal of Immunology Research2314-88612314-71562017-01-01201710.1155/2017/65906096590609Cardiac Function Remains Impaired Despite Reversible Cardiac Remodeling after Acute Experimental Viral MyocarditisPeter Moritz Becher0Frauke Gotzhein1Karin Klingel2Felicitas Escher3Stefan Blankenberg4Dirk Westermann5Diana Lindner6Clinic for General and Interventional Cardiology, University Heart Center Hamburg, Hamburg, GermanyClinic for General and Interventional Cardiology, University Heart Center Hamburg, Hamburg, GermanyDepartment of Molecular Pathology, Institute for Pathology, Eberhard-Karls-University Tübingen, Tübingen, GermanyGerman Center for Cardiovascular Research (DZHK), Partner Site Berlin, GermanyClinic for General and Interventional Cardiology, University Heart Center Hamburg, Hamburg, GermanyClinic for General and Interventional Cardiology, University Heart Center Hamburg, Hamburg, GermanyClinic for General and Interventional Cardiology, University Heart Center Hamburg, Hamburg, GermanyBackground. Infection with Coxsackievirus B3 induces myocarditis. We aimed to compare the acute and chronic phases of viral myocarditis to identify the immediate effects of cardiac inflammation as well as the long-term effects after resolved inflammation on cardiac fibrosis and consequently on cardiac function. Material and Methods. We infected C57BL/6J mice with Coxsackievirus B3 and determined the hemodynamic function 7 as well as 28 days after infection. Subsequently, we analyzed viral burden and viral replication in the cardiac tissue as well as the expression of cytokines and matrix proteins. Furthermore, cardiac fibroblasts were infected with virus to investigate if viral infection alone induces profibrotic signaling. Results. Severe cardiac inflammation was determined and cardiac fibrosis was consistently colocalized with inflammation during the acute phase of myocarditis. Declined cardiac inflammation but no significantly improved hemodynamic function was observed 28 days after infection. Interestingly, cardiac fibrosis declined to basal levels as well. Both cardiac inflammation and fibrosis were reversible, whereas the hemodynamic function remains impaired after healed viral myocarditis in C57BL/6J mice.http://dx.doi.org/10.1155/2017/6590609 |
spellingShingle | Peter Moritz Becher Frauke Gotzhein Karin Klingel Felicitas Escher Stefan Blankenberg Dirk Westermann Diana Lindner Cardiac Function Remains Impaired Despite Reversible Cardiac Remodeling after Acute Experimental Viral Myocarditis Journal of Immunology Research |
title | Cardiac Function Remains Impaired Despite Reversible Cardiac Remodeling after Acute Experimental Viral Myocarditis |
title_full | Cardiac Function Remains Impaired Despite Reversible Cardiac Remodeling after Acute Experimental Viral Myocarditis |
title_fullStr | Cardiac Function Remains Impaired Despite Reversible Cardiac Remodeling after Acute Experimental Viral Myocarditis |
title_full_unstemmed | Cardiac Function Remains Impaired Despite Reversible Cardiac Remodeling after Acute Experimental Viral Myocarditis |
title_short | Cardiac Function Remains Impaired Despite Reversible Cardiac Remodeling after Acute Experimental Viral Myocarditis |
title_sort | cardiac function remains impaired despite reversible cardiac remodeling after acute experimental viral myocarditis |
url | http://dx.doi.org/10.1155/2017/6590609 |
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