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Updated: Jan 21, 2026

Activation of Apoptosis by Cytoplasmic Microinjection of Cytochrome c
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Raddeanin A promotes apoptosis and ameliorates 5-fluorouracil resistance in cholangiocarcinoma cells

Shuang-Shuang Guo1, Ying Wang2, Qing-Xia Fan3

  • 1Department of Oncology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan Province, China.

World Journal of Gastroenterology
|July 26, 2019
PubMed
Abstract

Insights

Raddeanin A (RA) shows anti-cancer effects against bile duct cancer by reducing cell viability and enhancing chemotherapy. RA also modulates key proteins involved in cell cycle and apoptosis.

Area of Science:

  • Oncology
  • Pharmacology
  • Molecular Biology

Background:

  • Bile duct cancer (cholangiocarcinoma) is aggressive with poor early diagnosis.
  • Novel therapeutic strategies are urgently needed to improve patient survival.
  • Raddeanin A (RA), from *Anemone raddeana regel*, exhibits known antitumor properties.

Purpose of the Study:

  • To evaluate the anti-cancer effects of Raddeanin A (RA) on bile duct cancer cells.
  • To investigate RA's impact on cell viability, migration, and colony formation.
  • To assess RA's potential to enhance chemotherapy with 5-fluorouracil (5-Fu).

Main Methods:

  • Treatment of four cholangiocarcinoma cell lines (RBE, LIPF155C, LIPF178C, LICCF) with RA.
  • Assessment of cell viability, migration, and colony formation.
  • Analysis of cell cycle and apoptosis-related protein expression, including Wee1, COX-2, Bcl-2, Bax, cyclin D1, and cyclin E.

Main Results:

  • RA reduced cell viability in a dose-dependent manner across all tested cell lines.
  • RA impaired migration and colony formation in RBE and LIPF155C cell lines.
  • RA sensitized cholangiocarcinoma cells to 5-Fu, enhancing its efficacy. RA and 5-Fu combination altered expression of multiple cell cycle and apoptosis proteins.

Conclusions:

  • Raddeanin A demonstrates anti-cancer activity and acts as a 5-Fu sensitizer in bile duct cancer.
  • RA modulates cell cycle and apoptosis pathways by regulating specific protein expressions.
  • These findings suggest RA as a potential novel therapeutic agent for bile duct cancer.
Keywords:
5-fluorouracilApoptosisBile duct cancerCell cycleRaddeanin A

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