Identification of Sedum kamtschaticum, Lythrum anceps, and Astilbe chinensis var. davidii as inhibitors of peroxisome-proliferator-activated receptor γ expression and lipid accumulation

Woo Seok Jang, No Joon Song, Hyang Jin Yoon, Min Ji Kim, Jin Mo Ku, Joung Woo Hong, Young Min Lee, Ki Moon Park, Kye Won Park

Research output: Contribution to journalArticlepeer-review

Abstract

Screening of wild vegetable extracts led to isolation of Sedum kamtschaticum, Lythrum anceps, and Astilbe chinensis var. davidii as putative anti-adipogenic herbal extracts. Cell viability, lipid accumulation, and adipocyte marker expression were determined to validate the effects of the selected extracts on adipogenesis. All extracts suppressed lipid accumulation in C3H10T1/2 cells, primary mouse embryonic fibroblasts, and 3T3-L1 cells in a dose-dependent manner. These extracts inhibited mRNA expression of peroxisome proliferator-activated receptor gamma (PPARγ) and its downstream target genes such as adipocyte protein 2 (aP2), lipoprotein lipase, adiponectin, and CD36. Treatment with these extracts also consistently suppressed PPARγ and aP2 protein expressions. Additionally, these extracts generated from different parts and/or various harvest periods similarly inhibited adipocyte differentiation. Results showed the extracts have potential beneficial roles in obesity and related metabolic syndromes.

Original languageEnglish
Pages (from-to)625-631
Number of pages7
JournalJournal of the Korean Society for Applied Biological Chemistry
Volume55
Issue number5
DOIs
StatePublished - Oct 2012

Keywords

  • adipocyte differentiation
  • natural products
  • obesity
  • peroxisome proliferator-activated receptor gamma

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