Your browser doesn't support javascript.
loading
Show: 20 | 50 | 100
Results 1 - 1 de 1
Filter
Add more filters










Database
Language
Publication year range
1.
J Immunol ; 163(2): 1060-5, 1999 Jul 15.
Article in English | MEDLINE | ID: mdl-10395705

ABSTRACT

Kawasaki syndrome (KS) is the major cause of acquired heart disease in children. Although acute myocarditis is observed in most patients with KS, its pathogenesis is unknown. Because antimyosin autoantibodies are present in autoimmune myocarditis and rheumatic carditis, the purpose of the current study was to determine whether anticardiac myosin Abs might be present during the acute stage of KS. Sera from KS patients as well as age-matched febrile controls and normal adults were compared for reactivity with human cardiac myosin in ELISAs and Western blot assays. A total of 5 of 13 KS sera, as compared with 5 of 8 acute rheumatic fever sera, contained Ab titers to human cardiac myosin that were significantly higher than those found in control sera. Both cardiac and skeletal myosins were recognized in the ELISA by KS sera, although stronger reactivity was observed to human cardiac myosin. Only IgM antimyosin Abs from KS sera were significantly elevated relative to control sera. KS sera containing antimyosin Abs recognized synthetic peptides from the light meromyosin region of the human cardiac myosin molecule and had a different pattern of reactivity than acute rheumatic fever sera, further supporting the association of antimyosin Ab with KS. These Abs may contribute to the pathogenesis of acute myocarditis found in patients with KS.


Subject(s)
Autoantibodies/blood , Mucocutaneous Lymph Node Syndrome/immunology , Myocardium/immunology , Myosins/immunology , Adult , Amino Acid Sequence , Animals , Antibody Specificity , Autoantibodies/toxicity , Blotting, Western , Cell Line , Child , Cytotoxicity Tests, Immunologic , Enzyme-Linked Immunosorbent Assay , Humans , Immune Sera/toxicity , Molecular Sequence Data , Myocardium/cytology , Myosin Subfragments/immunology , Peptide Fragments/chemical synthesis , Peptide Fragments/immunology , Rats
SELECTION OF CITATIONS
SEARCH DETAIL
...