Curcumin induced G2/M cycle arrest in SK-N-SH neuroblastoma cells through the ROS-mediated p53 signaling pathway

Zijie Ye1, Danyang Chen2, Ruilin Zheng2

  • 1Department of Pediatric Urology, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China.

Insights

Curcumin effectively inhibits neuroblastoma (NB) cell proliferation and migration. It induces apoptosis by arresting the cell cycle and activating key signaling pathways, offering a potential therapeutic strategy for this childhood cancer.

Area of Science:

  • Molecular Biology
  • Cancer Research
  • Pharmacology

Background:

  • Neuroblastoma (NB) is a pediatric cancer with a high mortality rate.
  • Current clinical treatments for NB lack sufficient efficacy.
  • Curcumin exhibits known anticancer properties.

Purpose of the Study:

  • To investigate the therapeutic potential of curcumin against neuroblastoma.
  • To elucidate the mechanisms by which curcumin affects NB cells.

Main Methods:

  • MTT assays were used to assess cell proliferation.
  • Cell migration was evaluated.
  • Apoptosis, cell cycle arrest, caspase-3 activity, intracellular ROS, and p53/Bcl-2 pathways were analyzed.

Main Results:

  • Curcumin significantly inhibited SK-N-SH neuroblastoma cell proliferation and migration.
  • Curcumin induced apoptosis via G2/M cell cycle arrest and activated caspase-3.
  • Curcumin increased intracellular reactive oxygen species (ROS) and activated p53 and Bcl-2 signaling pathways.

Conclusions:

  • Curcumin demonstrates significant anti-neuroblastoma activity in vitro.
  • The mechanism involves cell cycle arrest, apoptosis induction, and modulation of key signaling pathways.
  • Curcumin represents a promising therapeutic candidate for neuroblastoma treatment.

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