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Tanshinone IIA ameliorates non-alcoholic fatty liver disease through targeting peroxisome proliferator-activated receptor gamma and toll-like receptor 4.

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机构: [1]Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China [2]Department of Gastroenterology, The Second Affiliated Hospital of University of South China, Hengyang, Hunan Province, China [3]Department of Urology, The First Affiliated Hospital of Guiyang College of Traditional Chinese Medicine, Guiyang, Guizhou Province, China [4]Guiyang College of Traditional Chinese Medicine, Guiyang, Guizhou Province, China [5]Liver Research Center, Brown University, Providence, USA
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关键词: Tanshinone IIA non-alcoholic fatty liver disease peroxisome proliferator-activated receptor gamma toll-like receptor 4 oxidative stress inflammation

摘要:
Objective: To investigate the cellular mechanisms of action of tanshinone IIA on the fatty liver disease induced by a high-fat diet in an animal model of non-alcoholic fatty liver disease (NAFLD). Methods: Adult male Sprague Dawley rats were randomized into one of three groups: regular rat diet (CON group) for 4 months; high-fat diet (HFD group) for 4 months; HFD for 2 months followed by tanshinone IIA treatment plus HFD (TAN group) for a further 2 months. A range of physical and biochemical markers of lipid accumulation and fatty liver disease were measured and compared between the groups. Results: Tanshinone IIA treatment significantly reduced fat accumulation in the liver and plasma lipid levels that had been increased by HFD. The toll-like receptor (TLR4)/nuclear factor kappa B (NF-jB) signalling pathway was silenced by tanshinone IIA treatment. Tumour necrosis factor-a and interleukin-6 were reduced by tanshinone IIA. Hepatocyte apoptosis was inhibited by tanshinone IIA. Tanshinone IIA upregulated peroxisome proliferator-activated receptor gamma (PPAR-c), which resulted in an improvement in the oxidative status. Conclusion: Tanshinone IIA ameliorates NAFLD by targeting PPAR-c and TLR4, resulting in decreased plasma lipids and oxidative stress, suggesting this strategy may form the basis of novel NAFLD therapies.

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出版当年[2018]版:
大类 | 4 区 医学
小类 | 4 区 医学:研究与实验 4 区 药学
最新[2025]版:
大类 | 4 区 医学
小类 | 4 区 医学:研究与实验 4 区 药学
第一作者:
第一作者机构: [1]Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China [2]Department of Gastroenterology, The Second Affiliated Hospital of University of South China, Hengyang, Hunan Province, China
通讯作者:
通讯机构: [1]Guangdong Provincial Key Laboratory of Gastroenterology, Department of Gastroenterology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, China [5]Liver Research Center, Brown University, Providence, USA [*1]Liver Research Center, Brown University, Providence, USA, Providence, RI 02912, USA.
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