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Silydianin in chloroform soluble fraction of Cirsium japonicum leaf inhibited adipocyte differentiation by regulating adipogenic transcription factors and enzymes

Journal of the Korean Society for Applied Biological Chemistry volume 56, pages 709–713 (2013)Cite this article

Abstract

Cirsium japonicum, Compositae, a wild perennial herb found in Korea, Japan and China, has been used in traditional medicines. Effects of various solvent extracts of C. japonicum leaf on adipocyte differentiation in 3T3-L1cells were determined, and its mechanism was elucidated. 3T3-L1 cells were incubated with adipogenic hormone mixture mixed with various solvent fractions (hexane, chloroform, ethyl acetate, butanol, and water) of C. japonicum leaf. Adipogenesis was evaluated by triglyceride accumulation and expression of adipogenic genes by reversetranscription-polymerase chain reaction. All solvent fractions of C. japonicum leaf inhibited adipogenesis in adipocytes by decreasing triglycerol concentration in a dose-dependent manner. Among solvent fractions of C. japonicum, the chloroform-soluble fraction was found to have the highest inhibitory effect on adipocyte differentiation. Silydianin was identified as a major bioactive component in chloroform-soluble fraction of C. japonicum. The extract suppressed the expression of genes such as PPARγ, C/EBPα, adiponectin, lipoprotein lipase, and fatty acid synthetase involved in adipogenesis, indicating that chloroform-soluble fraction of C. japonicum inhibited lipid accumulation in adipocyte by suppression genes involving adipogenesis. Thus, C. japonicum leaf extract containing silydianin could be a good natural candidate for the management of obesity.

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Authors and Affiliations

  1. Plant Resources Research Institute, Duksung Women’s University, 419 Ssamgmun-dong, Dobong -gu, Seoul, 132-714, Republic of Korea

    Hee-Sook Park & Gun-Hee Kim

  2. Department of Food Science & Technology, Sejong University, 98 Gunjadong, Gwangjin-gu, Seoul, 143-747, Republic of Korea

    Soon-Mi Shim

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  1. Hee-Sook Park
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  2. Soon-Mi Shim
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  3. Gun-Hee Kim
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Correspondence to Gun-Hee Kim.

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H.-S. Park and S.-M. Shim contributed equally.

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Park, HS., Shim, SM. & Kim, GH. Silydianin in chloroform soluble fraction of Cirsium japonicum leaf inhibited adipocyte differentiation by regulating adipogenic transcription factors and enzymes. J Korean Soc Appl Biol Chem 56, 709–713 (2013). https://doi.org/10.1007/s13765-013-3216-4

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  • DOI: https://doi.org/10.1007/s13765-013-3216-4

Keywords

  • adipocyte differentiation
  • adipogenic transcription
  • Cirsium japonicum
  • Silydianin
  • 3T3-L1 cells