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Antiobesity and anti-inflammation effects of Hakka stir-fried tea of different storage years on high-fat diet-induced obese mice model via activating the AMPK/ACC/CPT1 pathway

文献类型： 外文期刊

作者： Li, Qiuhua 1 ; Lai, Xingfei 1 ; Sun, Lingli 1 ; Cao, Junxi 1 ; Ling, Caijin 1 ; Zhang, Wenji 1 ; Xiang, Limin 1 ; Chen, R 1 ;

作者机构： 1.Guangdong Acad Agr Sci, Tea Res Inst, Guangdong Prov Key Lab Tea Plant Resources Innova, Guangzhou, Peoples R China

2.Wuyi Univ, Sch Biotechnol & Hlth Sci, Jiangmen 529020, Peoples R China

关键词： Hakka stir-fried tea; obesity; inflammation; fat accumulation; hepatic steatosis; AMPK/ACC/CPT1 pathway

期刊名称：FOOD & NUTRITION RESEARCH （ 影响因子：3.894； 五年影响因子：4.442 ）

ISSN： 1654-6628

年卷期： 2020 年 64 卷

页码：

收录情况： SCI

摘要： Background: As a typical representative of metabolic syndrome, obesity is also one of the extremely dangerous factors of cardiovascular diseases. Thus, the prevention and treatment of obesity has gradually become a global campaign. There have been many reports that green tea is effective in preventing obesity, but as a kind of green tea with regional characteristics, there have been no reports that Hakka stir-fried tea (HT) of different storage years has a weight loss effect. Aims: The aim was to investigate the effect of HT in diet-induced obese mice. Methods: The mice were divided into five groups as follows: the control group received normal diet; the obese model group received high-fat diet; and HT2003, HT2008, and HT2015 groups, after the induction of obesity via a high-fat diet, received HT of different storage years treatment for 6 weeks, respectively. Results: It was observed that HT decreased the levels of serum and liver triglyceride; the ratio of liver to body weight; accumulation of epididymal, perirenal, and mesenteric fat; the degree of hepatic steatosis; and adipocyte hypertrophy, with the concomitant reduction of body weight. Moreover, HT decreased the expression levels of proinfiammatory cytokines tumor necrosis factor a (TNF alpha), inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2) and reduced fatty acid synthase (FAS) activity in liver tissue of obese mice. In addition, HT treatment also increased the phosphorylation of AMP-activated protein kinase (AMPK) and its direct downstream proteins, acetyl coenzyme A carboxylase (ACC), and carnitine palmitoyltransferase I (CPT-1), which participate in FAS pathway. Conclusions: These findings demonstrate that HT treatment has a potential protection on high-fat diet-induced obesity mice via activating the AMPIUACC/CPT1 pathway, and to a certain extent, it has nothing to do with the storage time of three kinds of HT.

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