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KMID : 0545120160260111836
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Journal of Microbiology and Biotechnology
2016 Volume.26 No. 11 p.1836 ~ p.1844
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The Anti-Adipogenic Activity of a New Cultivar, Pleurotus eryngii var. ferulae ‘Beesan No. 2’, through Down-Regulation of PPAR γ and C/EBP α in 3T3-L1 Cells
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Kang Min-Jae
Kim Keun-Ki
Son Byoung-Yil
Nam Soo-Wan
Shin Pyung-Gyun
Kim Gun-Do
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Abstract
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Adipogenesis is one of the cellular processes and a highly controlled program. Nowadays, inhibition of adipogenesis has received attention as an effective way to regulate obesity. In the current study, we investigated the inhibition effect of a chloroform extract of Pleurotus eryngii var. ferulae ‘Beesan No. 2’ (CEBT) on adipogenesis in 3T3-L1 murine preadipocytes. Pleurotus eryngii var. ferulae is one of many varieties of King oyster mushroom and has been reported to have various biological activities, including antitumor and anti-inflammation effects. Biological activities of ‘Beesan No. 2’, a new cultivar of Pleurotus eryngii var. ferulae, have not yet been reported. In this study, we found that CEBT suppressed adipogenesis in 3T3-L1 cells through inhibition of key adipogenic transcription factors, such as peroxisome proliferatoractivated receptor γ and CCAAT/enhancer binding protein α. Additionally, CEBT reduced the expression of the IRS/PI3K/Akt signaling pathway and its downstream factors, including mammalian target of rapamycin and p70S6 kinase, which stimulate adipogenesis. Furthermore, β-catenin, a suppressor of adipogenesis, was increased in CEBT-treated cells. These results indicate that Pleurotus eryngii var. ferulae ‘Beesan No. 2’ effectively inhibited adipogenesis, so this mushroom has potential as an anti-obesity food and drug.
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KEYWORD
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Adipocytes, Adipogenesis, Lipid metabolism, Mushroom, Obesity
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