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Serum COMP-C3b complexes in rheumatic diseases and relation to anti-TNF-α treatment

Happonen, Kaisa E ; Saxne, Tore ; Geborek, Pierre ; Andersson, Maria ; Bengtsson, Anders A ; Hesselstrand, Roger ; Heinegård, Dick ; Blom, Anna M

Arthritis research & therapy, 2012-01, Vol.14 (1), p.R15-R15 [Periódico revisado por pares]

England: BioMed Central Ltd

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Serum COMP-C3b complexes in rheumatic diseases and relation to anti-TNF-α treatment
Autor: Happonen, Kaisa E ; Saxne, Tore ; Geborek, Pierre ; Andersson, Maria ; Bengtsson, Anders A ; Hesselstrand, Roger ; Heinegård, Dick ; Blom, Anna M
Assuntos: Adolescent ; Adult ; Aged ; Aged, 80 and over ; Arthritis - blood ; Arthritis - drug therapy ; Arthritis - pathology ; Arthritis, Psoriatic - blood ; Arthritis, Psoriatic - drug therapy ; Arthritis, Psoriatic - pathology ; Arthritis, Reactive - blood ; Arthritis, Reactive - drug therapy ; Arthritis, Reactive - pathology ; Arthritis, Rheumatoid - blood ; Arthritis, Rheumatoid - drug therapy ; Arthritis, Rheumatoid - pathology ; C-Reactive Protein - metabolism ; Cartilage Oligomeric Matrix Protein ; Clinical Medicine ; Complement C3b - metabolism ; Enzyme-Linked Immunosorbent Assay ; Extracellular Matrix Proteins - blood ; Female ; Glycoproteins - blood ; Humans ; Klinisk medicin ; Lupus Erythematosus, Systemic - blood ; Lupus Erythematosus, Systemic - drug therapy ; Lupus Erythematosus, Systemic - pathology ; Male ; Matrilin Proteins ; Medical and Health Sciences ; Medicin och hälsovetenskap ; Middle Aged ; Reumatologi och inflammation ; Rheumatology and Autoimmunity ; Spondylitis, Ankylosing - blood ; Spondylitis, Ankylosing - drug therapy ; Spondylitis, Ankylosing - pathology ; Tumor Necrosis Factor-alpha - antagonists & inhibitors ; Tumor Necrosis Factor-alpha - blood ; Young Adult
É parte de: Arthritis research & therapy, 2012-01, Vol.14 (1), p.R15-R15
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
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Descrição: Cartilage oligomeric matrix protein (COMP) is found at elevated concentrations in sera of patients with joint diseases such as rheumatoid arthritis (RA) and osteoarthritis (OA). We recently showed that COMP activates complement via the alternative pathway and that COMP-C3b complexes are present in sera of RA patients, but not in healthy controls. We now set out to elaborate on the information provided by this marker in a variety of diseases and larger patient cohorts. COMP-C3b levels in sera were measured by using an enzyme-linked immunosorbent assay (ELISA) capturing COMP and detecting C3b. Serum COMP was measured by using ELISA. COMP-C3b levels were significantly elevated in patients with RA as well as in systemic lupus erythematosus (SLE), compared with healthy controls. SLE patients with arthritis had significantly higher COMP-C3b levels than did those without. COMP-C3b was furthermore elevated in patients with ankylosing spondylitis (AS), psoriatic arthritis (PsA), reactive arthritis, systemic sclerosis, and OA. COMP-C3b did not correlate with COMP in any of the patient groups. COMP-C3b correlated with disease activity in RA, but not in other diseases. COMP-C3b levels in RA patients decreased on treatment with tumor necrosis factor (TNF)-α inhibitors, whereas the levels increased in patients with AS or PsA. The changes of COMP-C3b did not parallel the changes of C-reactive protein (CRP). COMP-C3b levels are elevated in several rheumatologic diseases and correlate with inflammatory measures in RA. COMP-C3b levels in RA decrease during TNF-α inhibition differently from those of CRP, suggesting that formation of COMP-C3b relates to disease features not reflected by general inflammation measures.
Editor: England: BioMed Central Ltd
Idioma: Inglês

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Serum COMP-C3b complexes in rheumatic diseases and relation to anti-TNF-α treatment

Happonen, Kaisa E ; Saxne, Tore ; Geborek, Pierre ; Andersson, Maria ; Bengtsson, Anders A ; Hesselstrand, Roger ; Heinegård, Dick ; Blom, Anna M

England: BioMed Central Ltd

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