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  • P-ISSN 1010-0695
  • E-ISSN 2288-3339

Oriental Medicine Research Center for Bone & Joint Disease

Journal of Korean Medicine / Journal of Korean Medicine, (P)1010-0695; (E)2288-3339
2006, v.27 no.1, pp.229-239








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Abstract

Objective: Articular cartilage is a potential target for drugs designed to inhibit the activity of matrix metalloproteinases (MMPs) to stop or slow the destruction of the proteoglycan and collagen in the cartilage extracellular matrix. The purpose of this study was to investigate the effects of KHBJs for cartilage-protective effect in human and rabbit articular cartilage explants. Methods:The cartilage-protective effects of KHBJ were evaluated by using glycosaminoglycan degradation assay, collagen degradation assay, colorimetric analysis of MMPs activity, and histological analysis in rabbit and human cartilage explants culture. Results: KHBJs significantly inhibited GAG and collagen release of rabbit and human cartilage explant in a concentration-dependent manner. Also, KHBJs inhibited MMP-3 and MMP-13 activities from IL-1a-treated cartilage explants cultures. Histological analysis indicated that KHBJ004 reduced the degradation of the cartilage matrix compared with that of IL-1α-treated cartilage explants. KHBJ004 had no harmful effect on chondrocytes viability or cartilage morphology in cartilage explants. Conclusion : These results indicate that KHBJs inhibits the degradation of proteoglycan and collagen through the downregulation of MMP-3 and MMP-13 activities without affecting the viability or morphology of IL-1α-stimulated rabbit and human articular cartilage explants.

keywords
Cartilage, proteoglycan, collagen, matrix metalloproteinase, KHBJs, Cartilage, proteoglycan, collagen, matrix metalloproteinase, KHBJs


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