Autoantibodies specific for the cardiac myosin isoform are found in mice susceptible to coxsackievirus B3-induced myocarditis

N. Neu, Kirk Beisel, M. D. Traystman, N. R. Rose, S. W. Craig

Research output: Contribution to journalArticle

143 Citations (Scopus)

Abstract

Several mouse strains are susceptible to immunopathic myocarditis after infection with Coxsackievirus B3 (CB3). This disease is associated with autoantibodies that are directed against myosin. In this study we characterized sera from CB3-infected mice for their reactivity with three different myosin isoforms (heart, skeletal muscle, and brain myosins) and for autoantibody isotype by using an ELISA. Competitive inhibition assays and absorption studies with various myosins demonstrated the presence of two autoantibody populations in sera of susceptible A.CA and A.SW mice. The first was specific for cardiac myosin and was mainly IgG. The second antibody population cross-reacted with heart, skeletal muscle, and brain myosin and was mainly IgM. B10.PL/SgSf and B10.A/SgSf mice, which do not develop immunopathic myocarditis, produced only the IgM autoantibody population cross-reactive with all three myosin autoantibodies were found exclusively in the mouse strains that developed immunopathic myocarditis, they can be considered a serologic marker for autoimmune heart disease.

Original languageEnglish
Pages (from-to)2488-2492
Number of pages5
JournalJournal of Immunology
Volume138
Issue number8
StatePublished - 1987
Externally publishedYes

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Cardiac Myosins
Enterovirus
Myocarditis
Autoantibodies
Myosins
Protein Isoforms
Skeletal Muscle Myosins
Immunoglobulin M
Myocardium
Coxsackievirus Infections
Population
Brain
Serum
Autoimmune Diseases
Heart Diseases
Immunoglobulin G
Enzyme-Linked Immunosorbent Assay
Antibodies

All Science Journal Classification (ASJC) codes

  • Immunology

Cite this

Autoantibodies specific for the cardiac myosin isoform are found in mice susceptible to coxsackievirus B3-induced myocarditis. / Neu, N.; Beisel, Kirk; Traystman, M. D.; Rose, N. R.; Craig, S. W.

In: Journal of Immunology, Vol. 138, No. 8, 1987, p. 2488-2492.

Research output: Contribution to journalArticle

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