Monocyte chemoattractant protein-1 (MCP-1) in inflammatory joint diseases and its involvement in the cytokine network of rheumatoid synovium

M. Harigai, M. Hara, Teizo Yoshimura, E. J. Leonard, K. Inoue, S. Kashiwazaki

Research output: Contribution to journalArticle

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Abstract

Macrophages infiltrated into synovium play an important role in joint destruction in inflammatory joint diseases. In this study we focused on the production of monocyte chemoattractant protein-1 (MCP-1), a recently identified monocyte chemotactic protein, by inflammatory synovium. Synovial fluid (SF) from rheumatoid arthritis (RA), osteoarthritis, gout, and traumatic arthritis contained MCP-1. MCP-1 was produced in the synovium of patients with RA and other inflammatory joint disease in in vitro culture systems; differences in the amounts produced were not significant. Synovial MCP-1 production in RA was further investigated. Levels of MCP-1 were significantly correlated with levels of IL-1β, IL-6, and IL-8 in the culture supernatants of synovia from RA. Using immunohistochemical techniques, MCP-1 was detected in the lining and sublining cells and in the vascular endothelial cells of rheumatoid synovia. Rheumatoid synovia with active inflammation were stained more intensely by anti-MCP-1 antibody than were those with weak or inactive inflammation. IL-1β and TNF-α stimulated the expression of MCP-1 mRNA and de novo MCP-1 synthesis by cultured synovial cells. These results suggest the production of MCP-1 by synovium of various inflammatory joint diseases. In rheumatoid synovium, a cytokine network involving MCP-1 and other proinflammatory cytokines (IL-1β, IL-6, IL-8, and TNF-α) contributes to the immunopathogenesis of RA.

Original languageEnglish
Pages (from-to)83-91
Number of pages9
JournalClinical Immunology and Immunopathology
Volume69
Issue number1
DOIs
Publication statusPublished - 1993
Externally publishedYes

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Synovial Membrane
Joint Diseases
Chemokine CCL2
Cytokines
Synovial Fluid
Rheumatoid Arthritis
Interleukin-1
Interleukin-8
Interleukin-6
Monocyte Chemoattractant Proteins
Inflammation
Gout
Osteoarthritis
Arthritis
Cultured Cells
Endothelial Cells
Joints
Macrophages

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy
  • Pathology and Forensic Medicine

Cite this

Monocyte chemoattractant protein-1 (MCP-1) in inflammatory joint diseases and its involvement in the cytokine network of rheumatoid synovium. / Harigai, M.; Hara, M.; Yoshimura, Teizo; Leonard, E. J.; Inoue, K.; Kashiwazaki, S.

In: Clinical Immunology and Immunopathology, Vol. 69, No. 1, 1993, p. 83-91.

Research output: Contribution to journalArticle

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