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Methyl Cinnamate Inhibits Adipocyte Differentiation via Activation of the CaMKK2-AMPK Pathway in 3T3-L1 Preadipocytes

Methyl Cinnamate Inhibits Adipocyte Differentiation via Activation of the CaMKK2-AMPK Pathway in 3T3-L1 Preadipocytes

Yun-Yu Chen, Meng-Hwan Lee, Chih-Chieh Hsu, Chia-Li Wei, Ying-Chieh Tsai

J Agric Food Chem. 2012 Feb 1;60(4):955-63.

PMID: 22273148

Abstract:

Methyl cinnamate, an active component of Zanthoxylum armatum , is a widely used natural flavor compound with antimicrobial and tyrosinase inhibitor activities. However, the underlying bioactivity and molecular mechanisms of methyl cinnamate on adipocyte function and metabolism remain unclear. The aim of this study was to investigate the inhibitory effect of methyl cinnamate on adipogenesis in 3T3-L1 preadipocytes. Methyl cinnamate markedly suppressed triglyceride accumulation associated with down-regulation of adipogenic transcription factor expression, including sterol regulatory element binding protein-1 (SREBP-1), peroxisome proliferator-activated receptor γ (PPARγ), and CCAAT/enhancer-binding protein α (C/EBPα). Additionally, methyl cinnamate-inhibited PPARγ activity and adipocyte differentiation were partially reversed by the PPARγ agonist troglitazone. Furthermore, methyl cinnamate stimulated Ca(2+)/calmodulin-dependent protein kinase kinase 2 (CaMKK2) and phospho-AMP-activated protein kinase (AMPK) expression during adipogenesis. This study first revealed methyl cinnamate has antiadipogenic activity through mechanisms mediated, in part, by the CaMKK2-AMPK signaling pathway in 3T3-L1 cells.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP103264	Methyl cinnamate		103-26-4	Price

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