Related Experiment Video
Updated: Feb 16, 2026

Isolation of Endocardial and Coronary Endothelial Cells from the Ventricular Free Wall of the Rat Heart
Published on: April 15, 2020
[The virus-immune hypothesis for cardiac dilatation]
M L Kozhevnikov1, V M Shipulin2, I V Sukhodolo3
1Virion Research-and-Production Association, Branch, Microgen Research-and-Production Association, Ministry of Health of Russia, Tomsk, Russia.
Insights
Viral infections can cause cardiac dilatation through direct cellular damage or immune responses. Herpesviruses and cytokines play key roles in viral myocarditis pathogenesis and cardiomyocyte injury.
Area of Science:
- Cardiology
- Virology
- Immunology
Background:
- Cardiac dilatation is a serious condition with complex etiological factors.
- Viral infections are increasingly recognized as significant contributors to heart disease.
- Understanding the interplay between viral pathogens and the immune system is crucial for managing myocarditis.
Purpose of the Study:
- To review the pathogenetic role of viral infections in cardiac dilatation.
- To elucidate the involvement of immune mechanisms at cellular, ultrastructural, and molecular levels.
- To discuss the specific role of herpesvirus infections and cytokines in viral myocarditis.
Main Methods:
- Literature review and synthesis of current research.
- Analysis of cellular and molecular mechanisms of cardiomyocyte damage.
- Examination of immunoinflammatory responses in viral myocarditis.
Main Results:
- Viral infections contribute to cardiac dilatation via direct cardiomyocyte damage or indirect immunoinflammatory pathways.
- Herpesvirus infections are implicated in cardiomyocyte injury.
- Cytokines exhibit both protective and damaging effects in the immunopathogenesis of viral myocarditis.
Conclusions:
- Viral infections, particularly herpesviruses, are significant factors in the development of cardiac dilatation.
- Immune responses, modulated by cytokines, critically influence the progression of viral myocarditis.
- Further research into these mechanisms can inform therapeutic strategies for viral heart disease.
Abstract:
The paper gives an update on the pathogenetic role of viral infection and immune mechanisms in the development of cardiac dilatation at the cellular, ultrastructural, and molecular levels. Particular attention is given to the discussion of the possible role of herpesvirus infection in the mechanisms of cardiomyocyte damage with the direct or indirect impact of viral infection through immunoinflammatory responses. Data on the protective and damaging action of a number of cytokines in the immunopathogenesis of viral myocarditis are considered.
Related Concept Videos
Cardiomyopathy II: Dilated Cardiomyopathy
Myocarditis I: Introduction
Heart Failure II: Pathophysiology
Cardiomyopathy III: Hypertrophic Cardiomyopathy
Imbalances in Cardiac Output
CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send...

