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[Inhibitory effect of BF523 from Ilex hainanensis on ox LDL-induced foam cells formation]

Ling-Xiao Wang1, Zhen Wu1, Zi-Yu Liu1

  • 1Modern Research Center for Traditional Chinese Medicine,School of Chinese Materia Medica,Beijing University of Chinese Medicine Beijing 100029,China.

Zhongguo Zhong Yao Za Zhi = Zhongguo Zhongyao Zazhi = China Journal of Chinese Materia Medica
|July 31, 2019
PubMed

Insights

Saponin BF523 from Ilex hainanensis effectively inhibits foam cell formation, a key factor in atherosclerosis. It reduces oxidized LDL uptake by macrophages by downregulating the CD36 scavenger receptor.

Area of Science:

  • Pharmacology
  • Biochemistry
  • Traditional Chinese Medicine

Background:

  • Atherosclerosis (AS) is a major cause of cardiovascular disease.
  • Foam cell formation from oxidized low-density lipoprotein (ox-LDL) is a critical step in AS pathogenesis.
  • Traditional Chinese Medicine (TCM) offers potential therapeutic compounds for AS.

Purpose of the Study:

  • To identify active compounds from Ilex hainanensis with anti-atherosclerosis activity.
  • To elucidate the molecular mechanism of saponin BF523 in inhibiting foam cell formation.
  • To explore the application of "TCM chemical biology" principles.

Main Methods:

  • Screening of Ilex hainanensis chemical constituents for anti-AS activity.
  • Utilizing a foam cell formation model.
  • Assessing macrophage lipid content and ox-LDL phagocytosis.
  • Analyzing mRNA and protein levels of scavenger receptor CD36.

Main Results:

  • Saponin BF523 demonstrated significant inhibition of ox-LDL-induced macrophage foam cell formation.
  • BF523 reduced lipid accumulation within macrophages.
  • BF523 suppressed ox-LDL uptake by downregulating CD36 mRNA and protein expression.
  • This mechanism effectively inhibits atherosclerosis development.

Conclusions:

  • Saponin BF523 is a key active compound in Ilex hainanensis for inhibiting foam cell formation.
  • BF523 exerts its anti-atherosclerosis effect by targeting the CD36 scavenger receptor pathway.
  • These findings support the
  • TCM chemical biology
  • approach and offer therapeutic potential for atherosclerosis.

Keywords:
BF523CD36Ilex hainanensisfoam cell

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