Citrus reticulata Blanco peel extract ameliorates hepatic steatosis,oxidative stress and inflammation in HF and MCD diet-induced NASH C57BL/6 J mice |
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| Institution: | 1. Laboratory of Metabolism, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA;2. Department of Toxicology, School of Public Health, Tianjin Medical University, Tianjin, China;3. Department of Anatomy and Regenerative Biology, Osaka City University, Osaka, Japan;1. Human Nutrition Program, The Ohio State University, Columbus, OH 43210, USA;2. Biofortis, Inc., Addison, IL 60101, USA;1. MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, Jiangsu Province, China;2. Administration for Market Regulation of GuangDong Province Key Laboratory of Supervision for Edible Agricultural Products, Shenzhen Centre of Inspection and Testing for Agricultural Products, Shenzhen 518000, GuangDong Province, China;3. Jiangsu Engineering Laboratory of Animal Immunology, Institute of Immunology and College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, Jiangsu Province, China;1. Department of Internal Medicine IV, University of Heidelberg Hospital, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany;2. Institute of Clinical Chemistry and Laboratory Medicine, University of Regensburg, Franz-Josef-Strauss-Allee 11, 93053 Regensburg, Germany |
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| Abstract: | Excessive lipid deposition, oxidative stress and inflammation in liver tissues are regarded as crucial inducers of nonalcoholic steatohepatitis (NASH), which is the most frequent chronic liver disease and closely related to obesity and insulin resistance. In this work, the preventive and therapeutic effects of Citrus reticulata Blanco (Jizigan) peel extract (JZE) on NASH induced by high fat (HF) diet and methionine choline-deficient (MCD) diet in C57BL/6 mice were investigated. We found that daily supplementation of JZE with an HF diet effectively ameliorated glucose tolerance and insulin resistance. In addition, the key indexes of lipid profiles, oxidative stress, hepatic steatosis and inflammatory factors were also ameliorated in both NASH mouse models. Furthermore, JZE treatment activated nuclear factor erythroid-2-related factor 2 (Nrf2) in the livers of diet- induced NASH mice. Our study suggests that JZE might alleviate NASH via the activation of Nrf2 signaling and that citrus Jizigan could be used as a dietary therapy for NASH and related metabolic syndrome. |
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