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dc.contributor.authorPeraphan Pothacharoenen_US
dc.contributor.authorKanyamas Choocheepen_US
dc.contributor.authorTanyaluck Pitaken_US
dc.contributor.authorWilart Pompimonen_US
dc.contributor.authorBhusana Premanodeen_US
dc.contributor.authorTimothy E. Hardinghamen_US
dc.contributor.authorPrachya Kongtawelerten_US
dc.description.abstractWe investigated the effects of A. galanga extract on metabolism and gene expression involved in the interleukin-1β (IL-1β) response of human chondrocyte and synovial fibroblast. A. galanga extract inhibited IL-1β enhanced matrix breakdown of the cartilage explants in a dose-dependent manner. It suppressed uronic acid loss from the tissue and decreased the release of sulfated GAG and hyaluronan into the medium. MMP-2 and MMP-9 activity in the culture medium of chondrosarcomas and synovial fibroblasts were significantly reduced in the presence of A. galanga extract, which also suppressed the production of MMP-1,-3 and-13. The A. galanga extract also significantly increased type II collagen, SOX9 and aggrecan gene expression, suggesting an ability to enhance anabolic activity. At a high dose of A. galanga extract there was a down-regulation of aggrecan gene expression. Comparison with Diacerein® showed its general anti-inflammatory potential to be similar. The A. galanga extract was shown to inhibit IL-1β-stimulated cartilage matrix degradation in both systems. Additionally, the extract showed the potential to up-regulate certain chondrocyte anabolic genes. It may, therefore, offer some cartilage protective and anti-inflammatory properties as a therapeutic agent in arthritis. © Versita Warsaw and Springer-Verlag Berlin Heidelberg. All rights reserved.en_US
dc.subjectAgricultural and Biological Sciencesen_US
dc.subjectBiochemistry, Genetics and Molecular Biologyen_US
dc.subjectImmunology and Microbiologyen_US
dc.titleEffect of Alpinia galanga extract on cartilage degradation and on gene expression in human chondrocyte and synovial fibroblast metabolismen_US
article.title.sourcetitleCentral European Journal of Biologyen_US
article.volume1en_US Mai Universityen_US Universityen_US College Londonen_US of Manchesteren_US
Appears in Collections:CMUL: Journal Articles

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