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Ginsenoside F2 induces apoptosis accompanied by protective autophagy in breast cancer stem cells

Trang Thi Mai1, JeongYong Moon, YeonWoo Song

  • 1Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju 690-756, Republic of Korea.

Cancer Letters
|February 14, 2012
PubMed

Insights

Ginsenoside F2 (F2) shows anticancer potential by inducing cell death in breast cancer stem cells (CSCs). Autophagy inhibition enhances F2

Area of Science:

  • Biochemistry
  • Cell Biology
  • Pharmacology

Background:

  • Breast cancer stem cells (CSCs) are crucial for tumor recurrence and metastasis.
  • Ginsenoside F2 (F2) is a compound derived from ginseng with potential therapeutic properties.

Purpose of the Study:

  • To investigate the antiproliferative effects of Ginsenoside F2 (F2) on breast cancer stem cells (CSCs).
  • To elucidate the mechanisms underlying F2-induced cell death in breast CSCs.

Main Methods:

  • Treatment of breast CSCs with Ginsenoside F2 (F2).
  • Assessment of apoptosis, intrinsic apoptotic pathway activation, and mitochondrial dysfunction.
  • Analysis of autophagosome formation, LC3-II recruitment, and Atg-7 levels.
  • Evaluation of F2-induced cell death in the presence of autophagy inhibitors.

Main Results:

  • Ginsenoside F2 (F2) induced apoptosis in breast CSCs via the intrinsic apoptotic pathway.
  • F2 triggered mitochondrial dysfunction and initiated autophagic progression, evidenced by acidic vesicular organelles and increased Atg-7.
  • Inhibition of autophagy potentiated F2-induced breast CSC death.

Conclusions:

  • Ginsenoside F2 (F2) exhibits significant antiproliferative activity against breast cancer stem cells.
  • F2 exerts its effects by inducing apoptosis and modulating autophagy.
  • These findings support F2 as a potential therapeutic agent for breast cancer treatment.

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