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Cryptotanshinone Inhibits Lipid Accumulation in Differentiating 3T3-L1 Preadipocytes by Down-regulating C/EBP-α, PPAR-γ, FAS, Perilipin A, and STAT-3

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Author(s)
Yu Kyoung ParkByeong Churl Jang
Keimyung Author(s)
Jang, Byeong Churl
Department
Dept. of Molecular Medicine (분자의학)
Journal Title
Keimyung Medical Journal
Issued Date
2019
Volume
38
Issue
1,2
Keyword
CCAAT/enhancer-binding protein-α
Abstract
Differentiation of preadipocyte, also named adipogenesis, leads to the phenotype of mature adipocyte that is filled with many lipid droplets. Excessive lipid accumulation in adipocytes leads to the development of obesity. In this study, we investigated the effect of 11 different natural compounds on lipid accumulation during the differentiation of 3T3-L1 preadipocytes into 3T3-L1 adipocytes. Strikingly, among the natural compounds, cryptotanshinone at 10 μM most strongly reduced triglyceride (TG) contents in 3T3-L1 cells after 8 days of the differentiation. Furthermore, cryptotanshinone at 10 μM significantly suppressed lipid accumulation in 3T3-L1 cells after 8 days of the differentiation. Cryptotanshinone at 1 to 10 μM tested did not affect the survival of 3T3-L1 cells after 8 days of the differentiation. On mechanistic levels, cryptotanshinone time-differentially decreased the expression levels of CCAAT/enhancer-binding protein-α (C/EBP-α), peroxisome proliferatoractivated receptor-γ (PPAR-γ), fatty acid synthase (FAS), and perilipin A but also the phosphorylation levels of signal transducer and activator of transcription-3 (STAT-3) during the 3T3-L1 cell differentiation. Taken together, these findings demonstrate that cryptotanshinone inhibits lipid accumulation in differentiating 3T3-L1 cells, which appears to be mediated through the reduced expression and/or phosphorylation levels of C/EBP-α, PPAR-γ, FAS, Perilipin A, and STAT-3.
Keimyung Author(s)(Kor)
박유경
장병철
Publisher
Keimyung University School of Medicine
Citation
Yu Kyoung Park and Byeong Churl Jang. (2019). Cryptotanshinone Inhibits Lipid Accumulation in Differentiating 3T3-L1 Preadipocytes by Down-regulating C/EBP-α, PPAR-γ, FAS, Perilipin A, and STAT-3. Keimyung Medical Journal, 38(1,2), 1–10.
Type
Article
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/42283
Appears in Collections:
2. Keimyung Medical Journal (계명의대 학술지) > 2019
1. School of Medicine (의과대학) > Dept. of Molecular Medicine (분자의학)
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