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Up regulation of monocyte chemoattractant protein-1 expression in anti-citrulline antibody and immunoglobulin M rheumatoid factor positive subjects precedes onset of inflammatory response and development of overt rheumatoid arthritis
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Reumatology. Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Nutritional Research.
Department of Medicine, Skellefteå Hospital, Skellefteå, Sweden .
Department of Rheumatology and Inflammation Research, Göteborg University, Göteborg, Sweden .
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Nutritional Research. Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Reumatology.ORCID iD: 0000-0001-9581-3845
2007 (English)In: Annals of the Rheumatic Diseases, ISSN 0003-4967, E-ISSN 1468-2060, Vol. 66, no 1, 121-123 p.Article in journal (Refereed) Published
Abstract [en]

Objective: To analyse the inflammatory mediators, including monocyte chemoattractant protein-1 (MCP-1), in blood samples donated years before onset of rheumatoid arthritis. Previously, it has been shown in these individuals that antibodies against cyclic citrullinated peptide (anti-CCP) detectable years before the onset of symptoms have a high predictive value for development of rheumatoid arthritis.

Methods: A nested case–control study was performed: patients with rheumatoid arthritis were identified from among blood donors antedating onset by a median of three years (pre-patients, n = 92); four matched controls were selected randomly for each pre-patient. Plasma were analysed for secretory phospholipase A2 (sPLA2) and MCP-1 using ELISA, for high-sensitivity C reactive protein (hsCRP) using the chemiluminescence method and for interleukin-6 using a sensitive bioassay.

Results: When the results were stratified for the presence of anti-CCP antibodies and immunoglobulin M-rheumatoid factor (IgM-RF), only MCP-1 levels were found to be significantly raised in patients with anti-CCP and IgM-RF compared with controls.

Conclusion: Levels of MCP-1 were significantly increased in the plasma of patients having anti-CCP antibodies or IgM-RF and who later developed rheumatoid arthritis. These findings indicate up regulation of chemotactic activity for leucocytes before the development of rheumatoid arthritis.

Place, publisher, year, edition, pages
2007. Vol. 66, no 1, 121-123 p.
Keyword [en]
Adult, Aged, Arthritis; Rheumatoid/*blood, Autoantibodies/*blood, Biological Markers/blood, Blood Donors, C-Reactive Protein/analysis, Case-Control Studies, Chemokine CCL2/*blood, Chi-Square Distribution, Citrulline/*immunology, Disease Progression, Female, Humans, Immunoglobulin M/blood, Male, Middle Aged, Rheumatoid Factor/blood, Severity of Illness Index, Time Factors, Up-Regulation
Identifiers
URN: urn:nbn:se:umu:diva-15386DOI: 10.1136/ard.2006.057331PubMedID: 16740681OAI: oai:DiVA.org:umu-15386DiVA: diva2:155058
Available from: 2007-11-23 Created: 2007-11-23 Last updated: 2017-12-14Bibliographically approved

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