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Marine Drugs
Volume 17
Issue 11
10.3390/md17110645
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Article

Chitosan Oligosaccharide Attenuates Nonalcoholic Fatty Liver Disease Induced by High Fat Diet through Reducing Lipid Accumulation, Inflammation and Oxidative Stress in C57BL/6 Mice

by
Wenjing Tao
,
Wanjing Sun
,
Lujie Liu
,
Geng Wang
,
Zhiping Xiao
,
Xun Pei
and
Minqi Wang
*
Key Laboratory of Molecular Animal Nutrition, Ministry of Education, College of Animal Science, Zhejiang University, Hangzhou 310058, China
*
Author to whom correspondence should be addressed.
Mar. Drugs 2019, 17(11), 645; https://doi.org/10.3390/md17110645
Submission received: 30 October 2019 / Revised: 11 November 2019 / Accepted: 15 November 2019 / Published: 16 November 2019
(This article belongs to the Collection Marine Drugs in the Management of Metabolic Diseases)
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Abstract

Nonalcoholic fatty liver disease (NAFLD) has become the most common chronic liver disease closely associated with metabolic syndrome, but there are no validated pharmacological therapies. The aim of this study was to investigate the effect of chitosan oligosaccharide (COS) on NAFLD. Mice were fed either a control diet or a high-fat diet (HFD) with or without COS (200 or 400 mg/kg body weight (BW)) by oral gavage for seven weeks. Administration with COS significantly lowered serum lipid levels in the HFD-fed mice. The hepatic lipid accumulation was significantly decreased by COS, which was attributed to decreased expressions of lipogenic genes and increased expressions of fatty β-oxidation-related genes. Moreover, pro-inflammatory cytokines, neutrophils infiltration, and macrophage polarization were decreased by COS in the liver. Furthermore, COS ameliorated hepatic oxidative stress by activating the nuclear factor E2-related factor 2 (Nrf2) pathway and upregulating gene expressions of antioxidant enzymes. These beneficial effects were mediated by the activation of the adenosine monophosphate-activated protein kinase (AMPK) signaling pathway. Therefore, COS might be a potent dietary supplement to ameliorate NAFLD.
Keywords: chitosan oligosaccharide; nonalcoholic fatty liver disease; lipid accumulation; inflammation; oxidative stress; AMPK chitosan oligosaccharide; nonalcoholic fatty liver disease; lipid accumulation; inflammation; oxidative stress; AMPK
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MDPI and ACS Style

Tao, W.; Sun, W.; Liu, L.; Wang, G.; Xiao, Z.; Pei, X.; Wang, M. Chitosan Oligosaccharide Attenuates Nonalcoholic Fatty Liver Disease Induced by High Fat Diet through Reducing Lipid Accumulation, Inflammation and Oxidative Stress in C57BL/6 Mice. Mar. Drugs 2019, 17, 645. https://doi.org/10.3390/md17110645

AMA Style

Tao W, Sun W, Liu L, Wang G, Xiao Z, Pei X, Wang M. Chitosan Oligosaccharide Attenuates Nonalcoholic Fatty Liver Disease Induced by High Fat Diet through Reducing Lipid Accumulation, Inflammation and Oxidative Stress in C57BL/6 Mice. Marine Drugs. 2019; 17(11):645. https://doi.org/10.3390/md17110645

Chicago/Turabian Style

Tao, Wenjing, Wanjing Sun, Lujie Liu, Geng Wang, Zhiping Xiao, Xun Pei, and Minqi Wang. 2019. "Chitosan Oligosaccharide Attenuates Nonalcoholic Fatty Liver Disease Induced by High Fat Diet through Reducing Lipid Accumulation, Inflammation and Oxidative Stress in C57BL/6 Mice" Marine Drugs 17, no. 11: 645. https://doi.org/10.3390/md17110645

APA Style

Tao, W., Sun, W., Liu, L., Wang, G., Xiao, Z., Pei, X., & Wang, M. (2019). Chitosan Oligosaccharide Attenuates Nonalcoholic Fatty Liver Disease Induced by High Fat Diet through Reducing Lipid Accumulation, Inflammation and Oxidative Stress in C57BL/6 Mice. Marine Drugs, 17(11), 645. https://doi.org/10.3390/md17110645

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