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Agrimol B suppresses adipogenesis through modulation of SIRT1-PPAR gamma signal pathway

Shifeng Wang1, Qiao Zhang1, Yuxin Zhang1

  • 1School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100102, China.

Biochemical and Biophysical Research Communications
|June 21, 2016
PubMed

Insights

Agrimol B, a natural polyphenol, activates SIRT1 and inhibits fat cell differentiation by reducing key gene expressions. This suggests its potential for treating obesity via the SIRT1-PPARγ pathway.

Area of Science:

  • Metabolic research
  • Molecular biology
  • Pharmacology

Background:

  • Sirtuin 1 (SIRT1) is implicated in obesity, insulin resistance, and longevity.
  • Novel SIRT1 activators are sought for therapeutic applications.
  • Agrimol B is a polyphenol from Agrimonia pilosa Ledeb.

Purpose of the Study:

  • To investigate agrimol B's efficacy on SIRT1 activity.
  • To explore its effects on fat metabolism and adipocyte differentiation.
  • To elucidate its potential therapeutic role in obesity.

Main Methods:

  • Assessed SIRT1 localization (cytoplasm-to-nucleus shuttle).
  • Evaluated 3T3-L1 adipocyte differentiation.
  • Measured expression levels of key genes (PPARγ, C/EBPα, FAS, UCP-1, apoE).
  • Determined the IC50 value for adipogenesis inhibition.

Main Results:

  • Agrimol B induced SIRT1 cytoplasm-to-nucleus translocation.
  • It significantly inhibited 3T3-L1 adipocyte differentiation.
  • Gene expression of PPARγ, C/EBPα, FAS, UCP-1, and apoE was reduced.
  • Adipogenesis was blocked dose-dependently with an IC50 of 3.35 ± 0.32 μM.

Conclusions:

  • Agrimol B modulates SIRT1 activity and fat metabolism.
  • It effectively inhibits adipogenesis by targeting the SIRT1-PPARγ pathway.
  • Agrimol B shows therapeutic potential for obesity management.
Keywords:
Agrimol BAgrimonia pilosa Ledeb.Lipid dropletObesityPPARγSIRT1

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