Hae-In Lee1, Kyeong Won Yun2, Kown-Il Seo1, Myung-Joo Kim3, Mi-Kyung Lee4. 1. Department of Food and Nutrition, Sunchon National University, Suncheon, 540-950, South Korea. 2. Department of Oriental Medicine Resources, Sunchon National University, Suncheon, 540-950, South Korea. 3. Department of Hotel Cuisine, Suseong College, Daegu, 706-711, South Korea. 4. Department of Food and Nutrition, Sunchon National University, Suncheon, 540-950, South Korea. Electronic address: leemk@sunchon.ac.kr.
Abstract
OBJECTIVE: This study investigated the effects of scopoletin on alcohol-induced hepatic lipid accumulation in diet-induced obese mice and its mechanism. MATERIAL/ METHODS: Alcohol (25% v/v, 5g/kg body weight) was orally administered once a day for 6 weeks to mice fed with a high-fat diet (35%kcal) with or without scopoletin (0.05%, wt/wt). RESULTS: Scopoletin reduced plasma acetaldehyde, fatty acid, total cholesterol, triglyceride and insulin levels, hepatic lipid and droplets and fasting blood glucose levels that were increased by alcohol. Scopoletin significantly activated hepatic AMPK and inhibited ACC and SREBP-1c and the activities of lipogenic enzymes, such as FAS, PAP and G6PD compared to the alcohol control group. Moreover, scopoletin significantly inhibited hepatic CYP2E1 activity and protein levels but elevated the activities of SOD, CAT, GSH-Px and GST and the levels of GSH compared to the alcohol control group. The hepatic lipid peroxide level was significantly lowered by scopoletin supplementation in alcohol-administered obese mice. CONCLUSIONS: Taken together, these results suggested that scopoletin can ameliorate alcohol-induced hepatic lipid accumulation by modulating AMPK-SREBP pathway-mediated lipogenesis in mice fed a high-fat diet.
OBJECTIVE: This study investigated the effects of scopoletin on alcohol-induced hepatic lipid accumulation in diet-induced obesemice and its mechanism. MATERIAL/ METHODS:Alcohol (25% v/v, 5g/kg body weight) was orally administered once a day for 6 weeks to mice fed with a high-fat diet (35%kcal) with or without scopoletin (0.05%, wt/wt). RESULTS:Scopoletin reduced plasma acetaldehyde, fatty acid, total cholesterol, triglyceride and insulin levels, hepatic lipid and droplets and fasting blood glucose levels that were increased by alcohol. Scopoletin significantly activated hepatic AMPK and inhibited ACC and SREBP-1c and the activities of lipogenic enzymes, such as FAS, PAP and G6PD compared to the alcohol control group. Moreover, scopoletin significantly inhibited hepatic CYP2E1 activity and protein levels but elevated the activities of SOD, CAT, GSH-Px and GST and the levels of GSH compared to the alcohol control group. The hepatic lipidperoxide level was significantly lowered by scopoletin supplementation in alcohol-administered obesemice. CONCLUSIONS: Taken together, these results suggested that scopoletin can ameliorate alcohol-induced hepatic lipid accumulation by modulating AMPK-SREBP pathway-mediated lipogenesis in mice fed a high-fat diet.
Authors: Quan Li; Yanzhen Wang; Guangsheng Cai; Fange Kong; Xiaohan Wang; Yang Liu; Chuanbin Yang; Di Wang; Lirong Teng Journal: Biomed Res Int Date: 2015-11-30 Impact factor: 3.411