β-elemene induces glioma cell apoptosis by downregulating survivin and its interaction with hepatitis B

Hang Zhang1, Feng Xu, Tian Xie

  • 1Department of Basic Medical Science, Hangzhou Normal University, Hangzhou, Zhejiang, PR China.

Oncology Reports
|September 12, 2012
PubMed

Insights

Beta-elemene from ginger induces cancer cell death by promoting apoptosis. This study reveals its mechanism involves downregulating survivin and affecting caspase activity in human glioma cells.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Oncology

Background:

  • Beta-elemene, derived from ginger, exhibits antitumor properties in clinical settings.
  • The precise mechanism of beta-elemene's cytotoxic effects, particularly in glioma, requires further elucidation.

Purpose of the Study:

  • To investigate the molecular mechanisms by which beta-elemene induces cytotoxicity in human glioma cells.
  • To explore the role of survivin and caspase activation in beta-elemene-mediated apoptosis.

Main Methods:

  • Assessing beta-elemene's effect on apoptotic cell death in human glioma cells.
  • Analyzing survivin gene expression and caspase-9, -3, and -7 activities.
  • Investigating the interaction between survivin and HBXIP following beta-elemene treatment.

Main Results:

  • Beta-elemene promoted apoptotic cell death in human glioma cells.
  • Survivin gene expression was downregulated, and caspase-9, -3, and -7 activities were induced.
  • Restoration of survivin levels attenuated beta-elemene-induced cell death.
  • Beta-elemene impaired the interaction between survivin and HBXIP, a regulator of caspase-9 activity.

Conclusions:

  • Beta-elemene induces apoptosis in human glioma cells via a caspase-mediated pathway.
  • Downregulation of survivin and disruption of the survivin-HBXIP interaction are key events in beta-elemene's mechanism of action.
  • These findings provide insights into the antitumor activity of beta-elemene and its potential therapeutic applications in glioma treatment.