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Mun, Se Hwan; Kim, Hyuk Soon; Kim, Jie Wan; Ko, Na Young; Kim, Do Kyun; Lee, Beob Yi; Kim, Bokyung; Won, Hyung Sik; Shin, Hwa-Sup; Han, Jeung-Whan; Lee, Hoi Young; Kim, Young Mi; Choi, Wahn Soo
Journal of Pharmacological Sciences, 2009, Letnik: 111, Številka: 1Journal Article
We investigated whether oral administration of curcumin suppressed type II collagen–induced arthritis (CIA) in mice and its effect and mechanism on matrix metalloproteinase (MMP)-1 and MMP-3 production in CIA mice, RA fibroblast-like synoviocytes (FLS), and chondrocytes. CIA in mice was suppressed by oral administration of curcumin in a dose-dependent manner. Macroscopic observations were confirmed by histological examinations. Histological changes including infiltration of immune cells, synovial hyperplasia, cartilage destruction, and bone erosion in the hind paw sections were extensively suppressed by curcumin. The histological scores were consistent with clinical arthritis indexes. Production of MMP-1 and MMP-3 were inhibited by curcumin in CIA hind paw sections and tumor necrosis factor (TNF)-α–stimulated FLS and chondrocytes in a dose-dependent manner. As for the mechanism, curcumin inhibited activating phosphorylation of protein kinase Cδ (PKCδ) in CIA, FLS, and chondrocytes. Curcumin also suppressed the JNK and c-Jun activation in those cells. This study suggests that the suppression of MMP-1 and MMP-3 production by curcumin in CIA is mediated through the inhibition of PKCδ and the JNK/c-Jun signaling pathway.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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