Cannabinoid WIN 55,212-2 Inhibits Human Glioma Cell Growth by Triggering ROS-Mediated Signal Pathways

Kun Wang1,2, Qian Wang1, Qinghao Li1

  • 1Postdoctoral Workstation, Taian City Central Hospital, Tai'an, Shandong 271000, China.

Insights

The cannabinoid WIN 55,212-2 (WIN) inhibits glioblastoma cell growth, migration, and invasion. WIN induces apoptosis by triggering reactive oxygen species (ROS)-mediated DNA damage and disrupting the VEGF-AKT/FAK signaling pathway.

Area of Science:

  • Neuro-oncology
  • Molecular Pharmacology
  • Cancer Biology

Background:

  • Glioblastoma is a highly invasive central nervous system tumor.
  • Cannabinoid analogue WIN 55,212-2 (WIN) shows anticancer effects.
  • The mechanism of WIN against human glioma is not fully understood.

Purpose of the Study:

  • Investigate the anticancer efficiency of WIN in U251 human glioma cells.
  • Elucidate the underlying anticancer mechanism of WIN.

Main Methods:

  • In vitro proliferation, migration, and invasion assays.
  • Ex vivo tumor spheroid growth inhibition.
  • Apoptosis assessment (caspase-3 activation, cytochrome C release).
  • Reactive oxygen species (ROS) detection and inhibition.
  • Analysis of VEGF-AKT/FAK signaling pathway.

Main Results:

  • WIN dose-dependently inhibited U251 cell proliferation, migration, and invasion.
  • WIN suppressed U251 tumor spheroid growth and induced apoptosis.
  • WIN triggered ROS-mediated DNA damage and VEGF-AKT/FAK pathway dysfunction.
  • ROS inhibition attenuated WIN's effects and restored cell proliferation, migration, and invasion.

Conclusions:

  • WIN demonstrates significant anticancer potential against U251 human glioma cells.
  • WIN's mechanism involves ROS-dependent DNA damage and VEGF-AKT/FAK pathway disruption.
  • WIN warrants further investigation as a therapeutic agent for glioblastoma.

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