Lingonberry Anthocyanins Inhibit Hepatic Stellate Cell Activation and Liver Fibrosis via TGF beta/Smad/ERK Signaling Pathway
文献类型： 外文期刊
第一作者： Zhang, Guokun
作者： Zhang, Guokun;Jiang, Yunyao;Deng, Yongyan;Shi, Liyan;Liu, Xin;Zhang, Guokun;Wei, Bin;Shi, Liyan
作者机构：
关键词： lingonberry (Vaccinium vitis-idaea L.); TGF beta/Smad/ERK signaling pathway; liver fibrosis; HSCs
期刊名称：JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY （ 影响因子：5.895； 五年影响因子：6.048 ）
ISSN： 0021-8561
年卷期： 2021 年 69 卷 45 期
页码：
收录情况： SCI
摘要： Phytochemicals from lingonberry have rich pharmacological value and may play an essential role in treating liver diseases. We investigated the regulatory role of lingonberry anthocyanins (LA) on HSC activation in vitro and liver fibrogenesis in vivo. The viability of HSCs treated with LA was significantly reduced in a dose-dependent manner at the concentration of 25-100 mu g/mL, in which the monomers of LA also reduced the proliferation of HSCs via IC50 assay. The inducer transforming growth factor beta 1 (TGF beta 1) and the effector alpha-smooth muscle actin (alpha-SMA) of HSC activation were all decreased both in protein and RNA levels treated by LA. Moreover, LA alleviated CCl4-induced liver fibrosis in rats, reducing collagen aggregation and production and decreasing the hydroxyproline (HYP) and malondialdehyde (MDA) levels in the liver tissue. Moreover, LA reduced the indexes of serum liver fibrosis and reversed the index of serum liver function in CCl4-induced rats. Furthermore, the antioxidant enzymes, including superoxide dismutase (SOD), glutathione peroxidase (GSH-Px), and catalase (CAT), in the liver tissue and serum were significantly increased upon treatment with LA. Importantly, LA promoted hepatic parenchymal cell proliferation and inhibited the expression of TGF beta/Smad/extracellular regulated protein kinase (ERK) signaling pathway-related genes. This study demonstrates the anti-liver fibrosis activity of LA and investigates its mechanism, which may provide a novel strategy for treating liver fibrosis using lingonberry.
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