Anti-adipogenic constituents from Dioscorea opposita in 3T3-L1 cells.

Abstract Text

We previously reported the lipase inhibitory activity of the n-BuOH fraction of Dioscorea opposita (DOB) and its isolates. This study sought to evaluate their anti-adipogenic activity in terms of their effects on the adipogenic transcription factors peroxisome proliferator-activated receptor γ (PPARγ) and CCAAT/enhancer binding protein α (C/EBPα) as well as phosphorylated AMP-activated protein kinase (p-AMPK) and carnitine palmitoyl transferase-1 (CPT-1). DOB apparently attenuated 3T3-L1 adipocyte differentiation (33.6% decrease at 20 µg/mL). In addition, a marked decrease (90.4%) in the expression of PPARγ was observed in the DOB-treated 3T3-L1 cells. Four isolates from DOB: (4E,6E)-1,7-bis(4-hydroxyphenyl)-4,6-heptadien-3-one (1), (3R,5R)-1,7-bis(4-hydroxy-3-methoxyphenyl)-3,5-heptanediol (2), batatasin I (3), and (1E,4E,6E)-1,7-bis(4-hydroxyphenyl)-1,4,6-heptatrien-3-one (4), suppressed adipocyte differentiation by inhibiting PPARγ at 20 µM (85.9%, 68.6%, 76.2%, and 90.2% decrease, respectively) and C/EBPα (51.7%, 3.1%, 20.9%, and 59.8% decrease, respectively). Batatasin I was found to increase p-AMPK and CPT-1 at a concentration of 20 µM in 3T3-L1 adipocytes, resulting in inhibiting adipogenesis. Taken together, batatasin I might be responsible for the anti-adipogenic effect of DOB via inhibition of PPARγ and C/EBPα and activation of p-AMPK and CPT-1.

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2016-09-08 13:43:09

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Citation:- Yang MH, Chin MH, Chae MH, Yoon MH, Kim MH, .Anti-adipogenic constituents from Dioscorea opposita in 3T3-L1 cells. Biological & pharmaceutical bulletin 2014-;37()1683-8 DOI:



Details of Journal

Journal Title - Biological & pharmaceutical bulletin

ISSN - 1347-5215

Volume - 37

Issue - 10

Publish date - 2014-

Language - eng

Country - Japan


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