Abstract Title:

Apple Polyphenol Extract Alleviates High-Fat-Diet-Induced Hepatic Steatosis in Male C57BL/6 Mice by Targeting LKB1/AMPK Pathway.

Abstract Source:

J Agric Food Chem. 2019 Oct 23. Epub 2019 Oct 23. PMID: 31608624

Abstract Author(s):

Deming Li, Fang Liu, Xinjing Wang, Xinli Li

Article Affiliation:

Deming Li


To explore the role of apple polyphenol extract (APE) in ameliorating hepatic steatosis and the potential mechanisms involved, we conducted this study. Thirty-three male C57BL/6 mice were randomly divided into three groups: high-fat diet (HFD) with aseptic water. (CON), HFD with 125 or 500 mg/(kg·bw·day) APE., namely 100 or 400 mg/(kg·bw·day) apple polyphenols (LAP or HAP) for 12 weeks. Compared with the CON group, the APE treatment significantly decreased the body weight gain and increased the ratio of serum albumin/globulin. High dose of APE treatment significantly decreased the liver weight, reduced the hepatic contents oftriglyceride and cholesterol, and improved the histopathological features of hepatic steatosis, accompanied by significantly upregulated protein expressions of LKB1, phosphorylated-AMPK, phosphorylated-ACC, and SIRT1, downregulated mTOR, p70 s6k, and HMGCR in the liver, increased mRNA expressions ofand, and reduced expressions of,, and. Our data provided new evidence supporting the preventive role of 500 mg/(kg·bw·day) APE treatment in the HFD-induced hepatic steatosis in C57BL/6 mice via the LKB1/AMPK pathway.

Study Type : Animal Study

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