Selective antiproliferative and apoptotic effects of flavonoids purified from Rhus verniciflua Stokes on normal

Young-Ok Son1, Kyung-Yeol Lee, Jeong-Chae Lee

  • 1Division of Biological Sciences and Research Center of Bioactive Materials, 664-14, Dukjin-dong 1-ka, Dukjin-gu Chonju, 561756 Republic of Korea.

Toxicology Letters
|December 9, 2004
PubMed

Insights

Rhus verniciflua Stokes (RVS) extract selectively inhibits growth and induces apoptosis in transformed liver cells. This flavonoid-rich fraction shows potential for developing novel hepatic tumor treatments.

Area of Science:

  • Phytochemistry
  • Molecular Biology
  • Cancer Research

Background:

  • Dietary flavonoids are investigated for cancer prevention due to their ability to induce selective apoptosis.
  • Rhus verniciflua Stokes (RVS) is traditionally used in food and medicine, and contains flavonoids.

Purpose of the Study:

  • To evaluate the effects of an RVS flavonoid-rich fraction (RCMF) on the proliferation and apoptosis of normal and transformed hepatic cells.
  • To investigate RCMF's impact on the antioxidant defense system in these cells.

Main Methods:

  • Preparation of RVS chloroform-methanol fraction (RCMF).
  • Treatment of mouse embryonic primary hepatic cells (MPHC), normal hepatic cell line (BNL CL.2), and transformed hepatic cell line (BNL SV A.8) with RCMF.
  • Assessment of cell proliferation, apoptosis, MnSOD activity, and glutathione (GSH) content.

Main Results:

  • RCMF demonstrated selective growth inhibition and apoptosis induction in transformed BNL SV A.8 cells compared to normal cells.
  • BNL SV A.8 cells showed higher sensitivity to RCMF-induced cytotoxicity.
  • RCMF reduced MnSOD activity and GSH content in BNL SV A.8 cells, correlating with apoptosis induction.

Conclusions:

  • RCMF exhibits selective anti-proliferative and pro-apoptotic effects on hepatic tumor cells.
  • The findings suggest RCMF's potential as an agent for inhibiting hepatic tumor cell growth and inducing apoptosis.

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