Cited by 228Viral Infections and Immunology ResearchCardiac Fibrosis and RemodelingOcular Diseases and Behçet’s Syndrome

Cardiac Autoimmunity: Myocarditis

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Bracamonte-Baran, William, Čiháková, Daniela·2017·Advances in Experimental Medicine and Biology

Abstract

Myocarditis is the inflammation of the muscle tissues of the heart (myocardium). After a pathologic cardiac-specific inflammatory process, it may progress to chronic damage and dilated cardiomyopathy. The latter is characterized by systolic dysfunction, whose clinical correlate is heart failure. Nevertheless, other acute complications may arise as consequence of tissue damage and electrophysiologic disturbances. Different etiologies are involved in triggering myocarditis. In some cases, such as giant cell myocarditis or eosinophilic necrotizing myocarditis, it is an autoimmune process. Several factors predispose the development of autoimmune myocarditis such as systemic/local primary autoimmunity, viral infection, HLA and gender bias, exposure of cryptic antigens, mimicry, and deficient thymic training/Treg induction. Once the anti-myocardium autoimmune process is triggered, several components of the immune response orchestrate a sustained attack toward myocardial tissues with particular timing and immunopathogenic features. Innate response mediated by monocytes/macrophages, neutrophils, and eosinophils parallels the adaptive response, playing a final effector role and not only a priming function. Stromal cells like fibroblast are also involved in the process through specific cytokines. Furthermore, adaptive T cell responses have anti-paradigmatic features, as Th17 response is dispensable for acute myocarditis but is the main driver of the process leading to dilated cardiomyopathy. Humoral response, thought to be a bystander, is important in the appearance of late-stage hemodynamic complications. The complexity of that process, as well as the unspecific and variable clinical presentation, had generated difficulties for diagnosis and treatment, which remain suboptimal. In this chapter, we will discuss the most relevant immunopathogenic findings from a basic science and clinical perspective.

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  1. [8]Cihakova D Rose NR Pathogenesis of myocarditis and dilated cardiomyopathy Adv Immunol 2008 99 95 114 19117533
  2. [18]Gore I Saphir O Myocarditis; a classification of 1402 cases Am Heart J 1947 34 6 827 30 20271990
  3. [64]Feldman AM McNamara D Myocarditis N Engl J Med 2000 343 19 1388 98 11070105

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Authors
Bracamonte-Baran, W., & Čiháková, D.
Affiliations
Johns Hopkins University (US)
Corresponding author
Čiháková, Daniela
Venue
Advances in Experimental Medicine and Biology
Published
2017
Volume
1003
Pages
187-221
ISSN
  • 0065-2598 (ISSN-L)
  • 2214-8019
OpenAlex
W2727000909
Cited by
228
References
167
Citations by year
2026: 12 · 2025: 26 · 2024: 28 · 2023: 43 · 2022: 32 · 2021: 41 · 2020: 22 · 2019: 12 · 2018: 11 · 2017: 1
FWCI
73.98
Type
book chapter
Language
en
Open access
Locations
  • Advances in experimental medicine and biology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Heart, Lung, and Blood Institute (R01HL113008, R01HL118183)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Viral Infections and Immunology Research
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Fibrosis and Remodeling
  • Health Sciences › Medicine › Ophthalmology › Ocular Diseases and Behçet’s Syndrome
Keywords
autoimmune myocarditis, dilated cardiomyopathy, giant cell myocarditis, Th17 response, Treg induction, HLA, viral infection, antigen mimicry, innate immune response, humoral immune response, heart failure, immunopathogenesis
MeSH terms
Animals, Autoimmune Diseases, Disease Models, Animal, Humans, Immunosuppressive Agents, Myocarditis, Myocardium, Prognosis, Risk Factors, Signal Transduction, Autoimmunity

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