Effects of hyaluronic acid on the release of proteoglycan from the cell matrix in rabbit chondrocyte cultures in the presence and absence of cytokines

Atsushi Shimazu, Akitoshi Jikko, Masahiro Iwamoto, Tatsuya Koike, Weiqun Yan, Yasunori Okada, Masayuki Shinmei, Shigeo Nakamura, Yukio Kato

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Abstract

Objective. To investigate the effects of hyaluronic acid (HA) on the release of proteoglycan by cultured rabbit chondrocytes. Methods. Articular cartilage chondrocytes were isolated from the knee joints of New Zealand white rabbits. Proteoglycan synthesis after incubation with HA was determined by measuring 35S-sulfate incorporation. Cells incubated with HA were labeled with 3H-glucosamine and applied to a Sepharose CL-2B column. After incubation of confluent cells with 35S-sulfate and then with HA in various concentrations in the presence or absence of cytokines, proteoglycan release from the cell matrix layer was measured. Results. HA (Mr 3 × 105 to 19 ×105), at 10 μg/ml to 1 mg/ml, had little effect on the incorporation of 35S-sulfate or 3H-glucosamine into cartilage matrix proteoglycans, or on the hydrodynamic size of proteoglycan monomers, in rabbit chondrocyte cultures. However, at 10-1,000 μg/ml, HA suppressed the release of 35S-proteoglycans from the cell matrix layer into the medium in the presence and absence of interleukin-1, tumor necrosis factor α, or basic fibroblast growth factor. Conclusion. These results suggest that HA is a potent inhibitor of the displacement of matrix proteoglycan into culture medium.

Original languageEnglish
Pages (from-to)247-253
Number of pages7
JournalArthritis and Rheumatism
Volume36
Issue number2
Publication statusPublished - 1993 Feb

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Proteoglycans
Hyaluronic Acid
Chondrocytes
Cytokines
Rabbits
Sulfates
Glucosamine
Articular Cartilage
Fibroblast Growth Factor 2
Hydrodynamics
Knee Joint
Interleukin-1
Sepharose
Cartilage
Culture Media
Tumor Necrosis Factor-alpha

ASJC Scopus subject areas

  • Immunology
  • Rheumatology

Cite this

Effects of hyaluronic acid on the release of proteoglycan from the cell matrix in rabbit chondrocyte cultures in the presence and absence of cytokines. / Shimazu, Atsushi; Jikko, Akitoshi; Iwamoto, Masahiro; Koike, Tatsuya; Yan, Weiqun; Okada, Yasunori; Shinmei, Masayuki; Nakamura, Shigeo; Kato, Yukio.

In: Arthritis and Rheumatism, Vol. 36, No. 2, 02.1993, p. 247-253.

Research output: Contribution to journalArticle

Shimazu, A, Jikko, A, Iwamoto, M, Koike, T, Yan, W, Okada, Y, Shinmei, M, Nakamura, S & Kato, Y 1993, 'Effects of hyaluronic acid on the release of proteoglycan from the cell matrix in rabbit chondrocyte cultures in the presence and absence of cytokines', Arthritis and Rheumatism, vol. 36, no. 2, pp. 247-253.
Shimazu, Atsushi ; Jikko, Akitoshi ; Iwamoto, Masahiro ; Koike, Tatsuya ; Yan, Weiqun ; Okada, Yasunori ; Shinmei, Masayuki ; Nakamura, Shigeo ; Kato, Yukio. / Effects of hyaluronic acid on the release of proteoglycan from the cell matrix in rabbit chondrocyte cultures in the presence and absence of cytokines. In: Arthritis and Rheumatism. 1993 ; Vol. 36, No. 2. pp. 247-253.
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