Article Publish Status: FREE
Abstract Title:

Apigenin Regulates Interleukin-1β-Induced Production of Matrix Metalloproteinase Both in the Knee Joint of Rat and in Primary Cultured Articular Chondrocytes.

Abstract Source:

Biomol Ther (Seoul). 2016 Mar 1 ;24(2):163-70. PMID: 26902085

Abstract Author(s):

Jin Sung Park, Dong Kyu Kim, Hyun-Dae Shin, Hyun Jae Lee, Ho Seung Jo, Jin Hoon Jeong, Young Lac Choi, Choong Jae Lee, Sun-Chul Hwang

Article Affiliation:

Jin Sung Park

Abstract:

We examined whether apigenin affects the gene expression, secretion and activity of matrix metalloproteinase-3 (MMP-3) in primary cultured rabbit articular chondrocytes, as well as in vivo production of MMP-3 in the knee joint of rat to evaluate the potential chondroprotective effects of apigenin. Rabbit articular chondrocytes were cultured in a monolayer, and reverse transcription - polymerase chain reaction (RT-PCR) was used to measure interleukin-1β (IL-1β)-induced expression of MMP-3, MMP-1, MMP-13, a disintegrin and metalloproteinase with thrombospondin motifs-4 (ADAMTS-4), and ADAMTS-5. In rabbit articular chondrocytes, the effects of apigenin on IL-1β-induced secretion and proteolytic activity of MMP-3 were investigated using western blot analysis and casein zymography, respectively. The effect of apigenin on MMP-3 protein production was also examined in vivo. In rabbit articular chondrocytes, apigenin inhibited the gene expression of MMP-3, MMP-1, MMP-13, ADAMTS-4, and ADAMTS-5. Furthermore, apigenin inhibited the secretion andproteolytic activity of MMP-3 in vitro, and inhibited production of MMP-3 protein in vivo. These results suggest that apigenin can regulate the gene expression, secretion, and activity of MMP-3, by directly acting on articular chondrocytes.

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