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Parthenolide-induced apoptosis, autophagy and suppression of proliferation in HepG2 cells

Jing Sun1, Chan Zhang, Yong-Li Bao

  • 1National Engineering Laboratory for Druggable Gene and Protein Screening, Northeast Normal University, Changchun, China E-mail : baoyl1967@163.com, liyx486@nenu.edu.cn.

Asian Pacific Journal of Cancer Prevention : APJCP
|July 8, 2014
PubMed
Abstract

Insights

Parthenolide, a natural compound, demonstrated significant anticancer effects against HepG2 liver cancer cells by inducing apoptosis, activating autophagy, and inhibiting cell proliferation, offering potential therapeutic strategies.

Area of Science:

  • Hepatocellular carcinoma research
  • Natural product pharmacology
  • Cellular mechanisms of cancer

Background:

  • Hepatocellular carcinoma (HCC) remains a significant global health challenge.
  • Parthenolide, a sesquiterpene lactone, has shown potential anticancer properties.
  • Understanding parthenolide's mechanisms in HCC is crucial for therapeutic development.

Purpose of the Study:

  • To investigate the anticancer effects of parthenolide on HepG2 human hepatocellular carcinoma cells.
  • To elucidate the underlying molecular mechanisms of parthenolide's action.
  • To evaluate parthenolide's impact on cell viability, apoptosis, autophagy, and proliferation.

Main Methods:

  • Cell viability assessed using MTT assay.
  • Apoptosis evaluated via DAPI, TUNEL staining, and Western blotting.
  • Autophagy detected by MDC and AO staining; proliferation assessed by Ki67 staining.

Main Results:

  • Parthenolide significantly inhibited HepG2 cell growth.
  • Induced apoptosis was evidenced by increased apoptotic nuclei and altered expression of apoptosis-related proteins (p53, Bax, Bcl-2, cleaved caspase-9, cleaved caspase-3).
  • Parthenolide treatment activated autophagy and suppressed proliferation marker Ki-67.

Conclusions:

  • Parthenolide exhibits potent anticancer activity against HepG2 cells.
  • Mechanisms involve induction of apoptosis, activation of autophagy, and inhibition of cell proliferation.
  • Parthenolide represents a promising candidate for HCC therapy.

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