Molecular Structures of Citrus Flavonoids Determine Their Effects on Lipid Metabolism in HepG2 Cells by Primarily Suppressing ApoB Secretion

2011 ◽  
Vol 59 (9) ◽  
pp. 4496-4503 ◽  
Author(s):  
Yuguang Lin ◽  
Mario A. Vermeer ◽  
Wil Bos ◽  
Leo van Buren ◽  
Eric Schuurbiers ◽  
...  
2010 ◽  
Vol 24 (S1) ◽  
Author(s):  
Mario A. Vermeer ◽  
Yuguang Lin ◽  
Wil Bos ◽  
Leo Buren ◽  
Eric Schuurbiers ◽  
...  

2019 ◽  
Vol 48 (11) ◽  
pp. 1186-1194
Author(s):  
Tae Hee Kim ◽  
Jeong Jun Lee ◽  
Jungkee Kwon ◽  
Chang Hoon Lee

Author(s):  
Alvaro Cerda ◽  
Raul Hernandes Bortolin ◽  
Victor Manriquez ◽  
Luis Salazar ◽  
Tomas Zambrano ◽  
...  

2020 ◽  
Vol 21 (12) ◽  
pp. 4534
Author(s):  
Da Eun Kim ◽  
Bo Yoon Chang ◽  
Byeong Min Jeon ◽  
Jong In Baek ◽  
Sun Chang Kim ◽  
...  

A ginsenoside F2-enhanced mixture (SGL 121) increases the content of ginsenoside F2 by biotransformation. In the present study, we investigated the effect of SGL 121 on nonalcoholic fatty liver disease (NAFLD) in vitro and in vivo. High-fat, high-carbohydrate-diet (HFHC)-fed mice were administered SGL 121 for 12 weeks to assess its effect on improving NAFLD. In HepG2 cells, SGL 121 acted as an antioxidant, a hepatoprotectant, and had an anti-lipogenic effect. In NAFLD mice, SGL 121 significantly improved body fat mass; levels of hepatic triglyceride (TG), hepatic malondialdehyde (MDA), serum total cholesterol (TC), high-density lipoprotein (HDL), and low-density lipoprotein (LDL); and activities of alanine aminotransferase (ALT) and aspartate aminotransferase (AST). In HepG2 cells, induced by oxidative stress, SGL 121 increased cytoprotection, inhibited reactive oxygen species (ROS) production, and increased antioxidant enzyme activity. SGL 121 activated the Nrf2/HO-1 signaling pathway and improved lipid accumulation induced by free fatty acids (FFA). Sterol regulatory element-binding protein-1 (SREBP-1) and fatty acid synthase (FAS) expression was significantly reduced in NAFLD-induced liver and HepG2 cells treated with SGL 121. Moreover, SGL 121 activated adenosine monophosphate-activated protein kinase (AMPK), which plays an important role in the regulation of lipid metabolism. The effect of SGL 121 on the improvement of NAFLD seems to be related to its antioxidant effects and activation of AMPK. In conclusion, SGL 121 can be potentially used for the treatment of NAFLD.


NanoImpact ◽  
2021 ◽  
Vol 24 ◽  
pp. 100351
Author(s):  
Jia-Bei Li ◽  
Wen-Song Xi ◽  
Shi-Ying Tan ◽  
Yuan-Yuan Liu ◽  
Hao Wu ◽  
...  

2021 ◽  
Vol 22 (16) ◽  
pp. 8847
Author(s):  
Fangfang Tie ◽  
Jin Ding ◽  
Na Hu ◽  
Qi Dong ◽  
Zhi Chen ◽  
...  

Nonalcoholic fatty liver disease (NAFLD) is one of the most common liver diseases which lacks ideal treatment options. Kaempferol and kaempferide, two natural flavonol compounds isolated from Hippophae rhamnoides L., were reported to exhibit a strong regulatory effect on lipid metabolism, for which the mechanism is largely unknown. In the present study, we investigated the effects of kaempferol and kaempferide on oleic acid (OA)-treated HepG2 cells, a widely used in vitro model of NAFLD. The results indicated an increased accumulation of lipid droplets and triacylglycerol (TG) by OA, which was attenuated by kaempferol and kaempferide (5, 10 and 20 μM). Western blot analysis demonstrated that kaempferol and kaempferide reduced expression of lipogenesis-related proteins, including sterol regulatory element-binding protein 1 (SREBP1), fatty acid synthase (FAS) and stearoyl-CoA desaturase 1 (SCD-1). Expression of peroxisome proliferator-activated receptor γ (PPARγ) and CCAAT enhancer binding proteins β (C/EBPβ), two adipogenic transcription factors, was also decreased by kaempferol and kaempferide treatment. In addition, western blot analysis also demonstrated that kaempferol and kaempferide reduced expression of heme oxygenase-1 (HO-1) and nuclear transcription factor-erythroid 2-related factor 2 (Nrf2). Molecular docking was performed to identify the direct molecular targets of kaempferol and kaempferide, and their binding to SCD-1, a critical regulator in lipid metabolism, was revealed. Taken together, our findings demonstrate that kaempferol and kaempferide could attenuate OA-induced lipid accumulation and oxidative stress in HepG2 cells, which might benefit the treatment of NAFLD.


2010 ◽  
Vol 24 (S1) ◽  
Author(s):  
Mei Zhao ◽  
Vanessa Silva ◽  
Maria Ralat ◽  
Jesse F Gregory

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