Resveratrol inhibits cell growth in a human cholangiocarcinoma cell line

Leda Roncoroni1, Luca Elli, Ersilia Dolfini

  • 1Center for Prevention and Diagnosis of Celiac Disease, IRCCS Ospedale Maggiore Policlinico, Mangiagalli e Regina Elena, Milano, Italy.

Abstract

Insights

Resveratrol (RES) demonstrated significant cytotoxic effects on cholangiocarcinoma cells, inhibiting growth and altering cell cycle phases. This natural compound shows promise as a potential chemotherapeutic agent for this aggressive cancer.

Area of Science:

  • Oncology
  • Natural Product Chemistry
  • Cell Biology

Background:

  • Cholangiocarcinoma (CCA) is an aggressive cancer with limited treatment options.
  • New therapeutic strategies are urgently needed for unresectable CCA.
  • Resveratrol (RES), a natural polyphenol, exhibits known anticancer properties.

Purpose of the Study:

  • To evaluate the efficacy of Resveratrol (RES) on a human cholangiocarcinoma cell line.
  • To investigate the effects of RES on cell viability, proliferation, and cell cycle.
  • To assess RES as a potential therapeutic agent for cholangiocarcinoma.

Main Methods:

  • Human SK-ChA-1 cholangiocarcinoma cell line cultured in 2D and 3D models.
  • Assessment of cell morphology, viability (colony-forming assay), and cell cycle.
  • Measurement of lactate dehydrogenase (LDH), alkaline phosphatase (ALP), and transglutaminase (TG) activity.
  • Analysis of karyotype and cancer antigen (CA) 19-9 release.

Main Results:

  • RES significantly inhibited cholangiocarcinoma cell growth by 15-80% in both 2D and 3D cultures.
  • RES induced a 40-fold increase in LDH and ALP levels in the culture medium.
  • RES treatment led to increased TG activity and cell cycle arrest at the G1/S phase.

Conclusions:

  • Resveratrol exhibits a notable cytotoxic effect on human cholangiocarcinoma cells.
  • The findings support further investigation into RES for cholangiocarcinoma chemoprevention and chemotherapy.
  • RES demonstrates potential as a novel therapeutic agent for cholangiocarcinoma.

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