Abstract:
:Criteria of organ-specific autoimmunity are fulfilled in a subset of patients with myocarditis/dilated cardiomyopathy (DCM). In particular, circulating heart-reactive autoantibodies are found in patients and symptom-free relatives. These autoantibodies are directed against multiple antigens, some of which are expressed in the heart (organ-specific), others in heart and some skeletal muscle fibres (partially-heart specific) or in heart and skeletal muscle (muscle-specific). Distinct autoantibodies have different frequency in disease and normal controls. Different techniques detect one or more antibodies, thus they cannot be used interchangeably for screening. It is unknown whether the same patients produce more antibodies or different patient groups develop autoimmunity to distinct antigens. IgG antibodies, shown to be cardiac and disease-specific for myocarditis/DCM, can be used as autoimmune markers for identifying patients in whom immunosuppression may be beneficial and relatives at risk. Some autoantibodies may also have a functional role, but further work is needed.
journal_name
Lupusjournal_title
Lupusauthors
Caforio AL,Daliento L,Angelini A,Bottaro S,Vinci A,Dequal G,Tona F,Iliceto S,Thiene G,McKenna WJdoi
10.1191/0961203305lu2193oasubject
Has Abstractpub_date
2005-01-01 00:00:00pages
652-5issue
9eissn
0961-2033issn
1477-0962journal_volume
14pub_type
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