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. 2016 Dec 31;25(6):1753-1760.
doi: 10.1007/s10068-016-0267-4. eCollection 2016.

Long-chain bases from Cucumaria frondosa inhibit adipogenesis and regulate lipid metabolism in 3T3-L1 adipocytes

Yingying Tian  1   2 , Shiwei Hu  1   2 , Hui Xu  2 , Jingfeng Wang  2 , Changhu Xue  2 , Yuming Wang  2
Affiliations

Long-chain bases from Cucumaria frondosa inhibit adipogenesis and regulate lipid metabolism in 3T3-L1 adipocytes

Yingying Tian et al. Food Sci Biotechnol. .

Abstract

This study aims to investigate anti-adipogenic effects of long-chain bases from Cucumaria frondosa (Cf-LCBs) in vitro. Results showed that Cf-LCBs inhibited adipocyte differentiation and the expressions of CCAAT/enhancer binding proteins (C/EBPs) and peroxisome proliferators-activated receptor γ (PPARγ). Cf-LCBs increased β-catenin mRNA and nuclear translocation and increased its target genes, cyclin D1 and c-myc. Cf-LCBs enhanced fizzled and lipoprotein-receptor-related protein5/6 (LRP5/6) expressions, whereas wingless-type MMTV integration site10b (WNT10b) and glycogen syntheses kinase 3β (GSK3β) remained unchanged. Cf-LCBs also reduced adipogenesis and recovered WNT/β-catenin signaling in the cells suffering from 21H7, a β-catenin inhibitor. In addition, Cf-LCBs decreased triglyceride content and the expressions of lipogenesis genes. Cf-LCBs increased FFA levels and the expressions of lipidolytic factors. Cf-LCBs promoted the phosphorylation of adenosine-monophosphate-activated protein kinase (AMPK) and acetyl-CoA carboxylase. These findings indicate that Cf-LCBs inhibit adipogenesis through activation of WNT/β-catenin signaling and regulate lipid metabolism via activation of AMPK pathway.

Keywords: Cusumaria frondosa; adipocyte differentiation; lipid metabolism; long-chain bases.

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