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KMID : 1098420190270040247
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Korean Journal of Medicinal Crop Science
2019 Volume.27 No. 4 p.247 ~ p.258
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Inhibitory Effect of Mixed Extracts Obtained from Astragali Radix and Lithospermi Radix on Matrix Metalloproteinases in IL-1β-induced SW1353 Cells and Quantitative Analysis of Active Compound
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Choi Doo-Jin
Choi Bo-Ram
Lee Dae-Young
Choi Soo-Im
Lee Young-Seob
Kim Geum-Soog
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Abstract
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Background: Astragali radix (A) and Lithospermi radix (L) have long been used as traditional medicines due to their known antiinflammatory effects. This study aimed at evaluating, their optimal mixing ratio and their functional compounds by investigating the inhibitory effects of mixed extracts of A and L and their active compounds on matrix metalloproteinases (MMPs).
Methods and Results: A and L extracts were obtained by extraction at 80℃ using 50% and 70% fermented alcohol, respectively, and then mixed at a ratio of 5 : 5, 6 : 4, 7 : 3 and 8 : 2 (w/w). The activities of MMP-1, MMP-3, and MMP-13 were evaluated in interleukin-1beta (IL-1β)-induced SW1353 cells. The extract mixtures showed synergistic inhibitory effects on MMP-3 and MMP13, higher than the effects of the individual A and L extracts. The 7 : 3 mixture (ALM16) showed the most effective MMPs inhibitory activity, while among the active ingredients, calycosin-7-O-β-D-glucoside and lithospermic acid exhibited excellent MMPs inhibitory activity. Additionally, an HPLC method was established for simultaneous quantification of the effective components of the extract mixtures, and validated by measuring the linearity, precision and accuracy of the limit of detection (LOD) and limit of quantification (LOQ).
Conclusions: ALM16 showed the most effective MMPs inhibitory activity. Calycosin-O-β-D-glucoside, calycosin and lithospermic acid were identified as useful candidates, as they were the major functional compounds in the MMP inhibitory activity. Summarily, ALM16 might be a highly effective in osteoarthritis management, owing to its because it exhibits a protective effect on cartilage via excellent inhibition of MMPs.
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KEYWORD
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Astragali Radix, Lithospermi Radix, Matix Metalloproteinases (MMPs)
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