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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Muscadine Grape (Vitis rotundifolia) or Wine Phytochemicals Reduce Intestinal Inflammation in Mice with Dextran Sulfate Sodium-Induced Colitis
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Muscadine Grape (Vitis rotundifolia) or Wine Phytochemicals Reduce Intestinal Inflammation in Mice with Dextran Sulfate Sodium-Induced Colitis

机译：Muscadine Grape (Vitis rotundifolia) or Wine Phytochemicals Reduce Intestinal Inflammation in Mice with Dextran Sulfate Sodium-Induced Colitis

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The objective of this study was to determine the anti-inflammatory effects of phytochemical extracts from muscadine grapes or wine on dextran sulfate sodium (DSS)-induced colitis in mice and to investigate cellular mechanisms. Two groups of C57BL/6J mice were gavaged with muscadine grape phytochemicals (MGP) or muscadine wine phytochemicals (MWP), respectively, for 14 days. Acute colitis was induced by 3 DSS in drinking water for 7 days. An additional two groups of mice served as healthy and disease controls. Results indicated that MGP or MVVP significantly prevented weight loss, reduced disease activity index, and preserved colonic length compared to the colitis group (p <= 0.05). MGP or MWP significantly decreased myeloperoxidase activity as well as the levels of IL-1 beta, IL-6, and TNF-alpha in colon (p <= 0.05). MGP or MWP caused down-regulation of the NF-kappa B pathway by inhibiting the phosphorylation and degradation of I kappa B in a dose-dependent manner. These findings suggest that phytochemicals from muscadine grape or wine mitigate ulcerative colitis via attenuation of pro inflammatory cytokine production and modulation of the NF-kappa B pathway.

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