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Citrus ichangensis Peel Extract Exhibits Anti-Metabolic Disorder Effects by the Inhibition of PPAR gamma and LXR Signaling in High-Fat Diet-Induced C57BL/6 Mouse

文献类型： 外文期刊

作者： Ding, Xiaobo;Lu, Yan;Zhou, Zhiqin;Ding, Xiaobo;Lu, Yan;Zhou, Zhiqin;Ding, Xiaobo;Fan, Shengjie;Lu, Yan;Zhang, Yu;Gu, Ming;Zhang, Lu;Liu, Gaigai;Guo, Lu;Li, Yiming;Huang, Cheng;Jiang, Dong;Lu, Xiong

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期刊名称： EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE

ISSN： 1741-427X

年卷期： 2012 年

页码：

收录情况： SCI

摘要： Obesity is a common nutritional disorder associated with type 2 diabetes, cardiovascular diseases, dyslipidemia, and certain cancers. In this study, we investigated the effects of Citrus ichangensis peel extract (CIE) in high-fat (HF) diet-induced obesity mice. Female C57BL/6 mice were fed a chow diet or an HF diet alone or supplemented with 1% w/w CIE for 8 weeks. We found that CIE treatment could lower blood glucose level and improve glucose tolerance. In the HF+CIE group, body weight gain, serum total cholesterol (TC) and low-density lipoprotein cholesterol (LDL-c) levels, and liver triglyceride (TG) and TC concentrations were significantly (P < 0.05) decreased relative to those in the HF group. To elucidate the mechanism of CIE on the metabolism of glucose and lipid, related genes expression in liver were examined. In liver tissue, CIE significantly decreased the mRNA expression levels of peroxisome proliferator-activated receptor gamma (PPAR gamma) and its target genes, such as fatty acid synthase (FAS) and acyl-CoA oxidase (ACO). Moreover, CIE also decreased the expression of liver X receptor (LXR) alpha and beta which are involved in lipid and glucose metabolism. These results suggest that CIE administration could alleviate obesity and related metabolic disorders in HF diet-induced obesity mice through the inhibition of PPAR gamma and LXR signaling.

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