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Original Article

Korean Journal of Physiology and Pharmacology 2019; 23(3): 161-169

Published online May 1, 2019 https://doi.org/10.4196/kjpp.2019.23.3.161

Copyright © Korean J Physiol Pharmacol.

Fumigaclavine C attenuates adipogenesis in 3T3-L1 adipocytes and ameliorates lipid accumulation in high-fat diet-induced obese mice

Wan-Guo Yu1,2,*,#, Yun He3,*,#, Yun-Fang Chen1,2, Xiao-Yao Gao1,2, Wan-E Ning1,2, Chun-You Liu1,2, Ting-Fan Tang1,2, Quan Liu1,2, and Xiao-Cheng Huang1,2

1Key Laboratory for Processing of Sugar Resources of Guangxi Higher Education Institutes, Guangxi University of Science and Technology, 2Guangxi Key Laboratory of Green Processing of Sugar Resources, Guangxi University of Science and Technology, 3Gastroenterology Department, Liuzhou General Hospital, Liuzhou 545006, Guangxi, China

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Fumigaclavine C (FC), an active indole alkaloid, is obtained from endophytic Aspergillus terreus (strain No. FC118) by the root of Rhizophora stylosa (Rhizophoraceae). This study is designed to evaluate whether FC has anti-adipogenic effects in 3T3-L1 adipocytes and whether it ameliorates lipid accumulation in high-fat diet (HFD)-induced obese mice. FC notably increased the levels of glycerol in the culture supernatants and markedly reduced lipid accumulation in 3T3-L1 adipocytes. FC differentially inhibited the expressions of adipogenesis-related genes, including the peroxisome proliferator-activated receptor proteins, CCAAT/enhancer-binding proteins, and sterol regulatory element-binding proteins. FC markedly reduced the expressions of lipid synthesis-related genes, such as the fatty acid binding protein, lipoprotein lipase, and fatty acid synthase. Furthermore, FC significantly increased the expressions of lipolysis-related genes, such as the hormone-sensitive lipase, Aquaporin-7, and adipose triglyceride lipase. In HFD-induced obese mice, intraperitoneal injections of FC decreased both the body weight and visceral adipose tissue weight. FC administration significantly reduced lipid accumulation. Moreover, FC could dose-dependently and differentially regulate the expressions of lipid metabolism-related transcription factors. All these data indicated that FC exhibited anti-obesity effects through modulating adipogenesis and lipolysis.

Keywords: Adipogenesis, Anti-obesity, Fumigaclavine C, Lipolysis