Synovial concentrations of the angiogenic peptides bFGF and VEGF do not discriminate rheumatoid arthritis from other forms of inflammatory arthritis
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CitationScand. J. Clin. Lab. Invest. 2004, 64(1):9-15
AbstractOBJECTIVES: To investigate whether concentrations of basic fibroblast growth factor (bFGF) and vascular endothelial growth factor (VEGF) in aspirated synovial fluid can be used to distinguish rheumatoid arthritis from other forms of inflammatory arthritis. METHODS: bFGF and VEGF concentrations were measured in aspirated synovial fluid and serum samples from 66 patients with active arthritis (clinical diagnoses: rheumatoid arthritis (35 patients), psoriatic arthritis (9), reactive arthritis (11) and arthritis UNS (11)) utilizing commercial ELISA kits. RESULTS: In comparison with controls, elevated concentrations of VEGF were found in synovial fluid compared with in serum in all forms of arthritis. There were no significant differences in synovial fluid bFGF or VEGF concentrations between rheumatoid arthritis and the other forms of inflammatory arthritis. CONCLUSION: Both serum bFGF and VEGF concentrations were increased in patients with rheumatoid arthritis. Patients treated with steroids had lower synovial fluid bFGF concentrations. Synovial fluid levels of bFGF and VEGF were elevated but could not be used to distinguish rheumatoid arthritis from other forms of inflammatory arthritis.
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