Composition and biological behaviour of immune complexes isolated from synovial fluid of patients with juvenile rheumatoid arthritis (JRA)
| Autor: | Heide T. Moore, James N. Jarvis, M M Diebold, M K Chadwell, Madonna Iobidze |
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| Jazyk: | angličtina |
| Rok vydání: | 1995 |
| Předmět: |
Male
Adolescent Immunology Arthritis Antigen-Antibody Complex Classical complement pathway In vivo Rheumatoid Factor Synovial Fluid medicine Immunology and Allergy Rheumatoid factor Synovial fluid Humans Child Complement Activation business.industry medicine.disease Immune complex In vitro Arthritis Juvenile Complement system Immunoglobulin A Molecular Weight Immunoglobulin M Female business Research Article |
| Popis: | SUMMARY Data published from In vitro studies have shown that IgM-rheumatoid factor (RF)-bearing immune complexes possess several biological features that may contribute to their pathogenicity. However, no studies have demonstrated that such complexes exist at sites of inflammation in children with rheumatoid disease. We used two methods of sequential column chromatography to purify immune complexes from synovial fluids of children with JRA. We demonstrate that high molecular weight complexes contain IgM-RF, have not bound C4 in vivo, but activate the classical pathway in vitro. In contrast, complexes which have bound C3 in vivo do not contain IgM- RF and are weak complement activators in vitro. |
| Databáze: | OpenAIRE |
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