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Article Publish Status: FREE
Abstract Title:

Kaempferol-3-O-Glucuronide Ameliorates Non-Alcoholic Steatohepatitis in High-Cholesterol-Diet-Induced Larval Zebrafish and HepG2 Cell Models via Regulating Oxidation Stress.

Abstract Source:

Life (Basel). 2021 May 14 ;11(5). Epub 2021 May 14. PMID: 34069176

Abstract Author(s):

Yang Deng, Ji Ma, Xin Weng, Yuqin Wang, Maoru Li, Tingting Yang, Zhiyang Dou, Zhiqi Yin, Jing Shang

Article Affiliation:

Yang Deng

Abstract:

NAFLD (non-alcoholic fatty liver disease) is one of the most prominent liver diseases in the world. As a metabolic-related disease, the development of NAFLD is closely associated with various degrees of lipid accumulation, oxidation, inflammation, and fibrosis. Ilex chinensis Sims is a form of traditional Chinese medicine which is used to treat bronchitis, burns, pneumonia, ulceration, and chilblains. Kaempferol-3-O-glucuronide (K3O) is a natural chemical present in Ilex chinensis Sims. This study was designed to investigate the antioxidative, fat metabolism-regulating, and anti-inflammatory potential of K3O. A high-cholesterol diet (HCD) was used to establish steatosis in larval zebrafish, whereby 1mM free fatty acid (FFA) was used to induce lipid accumulation in HepG2 cells, while HOwas used to induce oxidative stress in HepG2. The results of this experiment showed that K3O reduced lipid accumulation and the level of reactive oxygen species (ROS) both in vivo (K3O, 40μM) and in vitro (K3O, 20 μM). Additionally, K3O (40 μM) reduced neutrophil aggregation in vivo. K3O (20 μM) also decreased the level of malondialdehyde (MDA) and significantly increased the level of glutathione peroxidase (GSH-px) in both the HCD-induced larval zebrafish model and HO-exposed HepG2 cells. In the mechanism study,,,, andmRNA were all significantly reversed by K3O (20μM) in zebrafish. Changes in Keap1 and Nrf2 mRNA expression were also detected in HO-exposed HepG2 cells after they were treated with K3O (20μM). In conclusion, K3O exhibited a reduction in oxidative stress and lipid peroxidation, and this may be related to the Nrf2/Keap1 pathway in the NAFLD larval zebrafish model.

Study Type : Animal Study, In Vitro Study

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