Galectin 3 and Its Binding Protein in Rheumatoid Arthritis

Shiro Ohshima, Stefan Kuchen, Christian A. Seemayer, Diego Kyburz, Astrid Hirt, Stephanie Klinzing, Beat A. Michel, Renate E. Gay, Fu-Tong Liu, Steffen Gay, Michel Neidhart

Research output: Contribution to journalArticle

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Abstract

Objective. To characterize the expression pattern and role of galectin 3 and galectin 3 binding protein (G3BP) in rheumatoid arthritis (RA), in comparison with galectin 1, and to explore whether soluble galectin 3 and G3BP, investigated in serum, synovial fluid, or cell culture supernatant, are associated with disease. Methods. Synovial tissues from patients with RA or osteoarthritis (OA), as well as from healthy controls, were analyzed for galectins 1 and 3 and G3BP by in situ hybridization and immunohistochemistry. Levels of galectin 3 and G3BP in serum and synovial fluid from patients with RA and OA and controls, as well as in cell culture supernatants, were determined by enzyme-linked immunosorbent assay (ELISA). In vitro, the intracellular expression of galectin 3 in RA and OA synovial fibroblasts after modulation with tumor necrosis factor α (TNFα), interleukin-1β (IL-1β), and anti-CD40 monoclonal antibodies was measured by flow cytometry. Results. In RA, galectin 3 messenger RNA and protein stained throughout the synovial membrane, whereas G3BP was particularly expressed at sites of bone destruction. In contrast, the expression of galectin 1 was not uniform in different RA specimens, and was never found at sites of invasion. In OA and normal synovial tissues, only a small number of cells were positive for galectins and/or G3BP. Galectin 3 was elevated in RA sera and synovial fluids, whereas G3BP was increased in RA synovial fluids only. In RA, serum galectin 3 correlated with C-reactive protein levels, whereas G3BP was associated with joint destruction and/or synovial cell activation as measured by the levels of cartilage oligomeric matrix protein. In vitro, RA synovial fibroblasts showed an increased release of galectin 3 into culture medium, as measured by ELISA, but decreased secretion of G3BP. In RA synovial fibroblasts with low basal expression of galectin 3, TNFα increased its intracellular level in a dose-dependent manner. In contrast, IL-1β or anti-CD40 monoclonal antibodies showed no effect. Conclusion. Our data indicate that galectin 3 and G3BP are not only involved in inflammation, but also contribute to the activation of synovial fibroblasts. The intracellular accumulation of galectin 3 can be enhanced by TNFα. Thus, galectin 3 and G3BP represent novel markers of disease activity in RA.

Original languageEnglish (US)
Pages (from-to)2788-2795
Number of pages8
JournalArthritis and Rheumatism
Volume48
Issue number10
DOIs
StatePublished - Oct 2003

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Galectin 3
Rheumatoid Arthritis
Carrier Proteins
Synovial Fluid
Galectin 1
Osteoarthritis
Fibroblasts
Tumor Necrosis Factor-alpha
Serum
Interleukin-1

ASJC Scopus subject areas

  • Immunology
  • Rheumatology

Cite this

Ohshima, S., Kuchen, S., Seemayer, C. A., Kyburz, D., Hirt, A., Klinzing, S., ... Neidhart, M. (2003). Galectin 3 and Its Binding Protein in Rheumatoid Arthritis. Arthritis and Rheumatism, 48(10), 2788-2795. https://doi.org/10.1002/art.11287

Galectin 3 and Its Binding Protein in Rheumatoid Arthritis. / Ohshima, Shiro; Kuchen, Stefan; Seemayer, Christian A.; Kyburz, Diego; Hirt, Astrid; Klinzing, Stephanie; Michel, Beat A.; Gay, Renate E.; Liu, Fu-Tong; Gay, Steffen; Neidhart, Michel.

In: Arthritis and Rheumatism, Vol. 48, No. 10, 10.2003, p. 2788-2795.

Research output: Contribution to journalArticle

Ohshima, S, Kuchen, S, Seemayer, CA, Kyburz, D, Hirt, A, Klinzing, S, Michel, BA, Gay, RE, Liu, F-T, Gay, S & Neidhart, M 2003, 'Galectin 3 and Its Binding Protein in Rheumatoid Arthritis', Arthritis and Rheumatism, vol. 48, no. 10, pp. 2788-2795. https://doi.org/10.1002/art.11287
Ohshima S, Kuchen S, Seemayer CA, Kyburz D, Hirt A, Klinzing S et al. Galectin 3 and Its Binding Protein in Rheumatoid Arthritis. Arthritis and Rheumatism. 2003 Oct;48(10):2788-2795. https://doi.org/10.1002/art.11287
Ohshima, Shiro ; Kuchen, Stefan ; Seemayer, Christian A. ; Kyburz, Diego ; Hirt, Astrid ; Klinzing, Stephanie ; Michel, Beat A. ; Gay, Renate E. ; Liu, Fu-Tong ; Gay, Steffen ; Neidhart, Michel. / Galectin 3 and Its Binding Protein in Rheumatoid Arthritis. In: Arthritis and Rheumatism. 2003 ; Vol. 48, No. 10. pp. 2788-2795.
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