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The production of collagenase by human articular chondrocytes in response to interleukin-1 beta is inhibited in a dose-dependent manner by interferon-gamma (1-1,000 units/ml). The analysis of culture medium samples by Western blotting and the measurement of levels of tissue inhibitor of metalloproteinases suggest that the decrease in measurable collagenase activity is primarily due to the inhibition of procollagenase production. These results provide evidence of a role for interferon-gamma in limiting connective tissue degradation.

Original publication

DOI

10.1002/art.1780331119

Type

Journal article

Journal

Arthritis rheum

Publication Date

11/1990

Volume

33

Pages

1733 - 1738

Keywords

Blotting, Western, Cartilage, Articular, Cells, Cultured, Collagenases, Enzyme Precursors, Glycoproteins, Humans, Interferon-gamma, Interleukin-1, Matrix Metalloproteinase 3, Metalloendopeptidases, Microbial Collagenase, Recombinant Proteins, Tissue Inhibitor of Metalloproteinases