Meningioma achieves malignancy and erastin-induced ferroptosis resistance through FOXM1-AURKA-NRF2 axis

Yangfan Ye1, Lei Xu1, Liuchao Zhang1

  • 1Department of Neurosurgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, Jiangsu, China.

Redox Biology
|April 20, 2024
PubMed

Insights

Aurora kinase A (AURKA) drives high-grade meningioma by suppressing ferroptosis. Inhibiting AURKA alongside ferroptosis inducers like erastin improves tumor prognosis in mice, offering new therapeutic strategies.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Research

Background:

  • Aurora kinase A (AURKA) is an oncogene linked to various cancers, but its role in meningioma is unknown.
  • Recent research suggests a connection between AURKA and ferroptosis, a regulated cell death pathway, though mechanisms are unclear.

Purpose of the Study:

  • To investigate the role of AURKA in meningioma progression and its association with ferroptosis.
  • To elucidate the molecular mechanisms by which AURKA influences ferroptosis in meningioma cells.

Main Methods:

  • Assessed AURKA expression in high-grade meningioma tissues.
  • Investigated AURKA's interaction with KEAP1 and its effect on NRF2 activation.
  • Examined the role of FOXM1 in AURKA transcription.
  • Evaluated the therapeutic effect of combined AURKA inhibition and erastin in a meningioma mouse model.

Main Results:

  • AURKA is upregulated in high-grade meningioma, enhancing malignant characteristics.
  • AURKA suppresses erastin-induced ferroptosis by phosphorylating KEAP1, leading to NRF2 activation.
  • FOXM1 promotes AURKA transcription.
  • Combined AURKA suppression and erastin treatment significantly improved prognosis in a meningioma murine model.

Conclusions:

  • AURKA acts as a suppressor of ferroptosis in meningioma through the KEAP1-NRF2 pathway.
  • FOXM1-mediated transcription of AURKA contributes to meningioma pathogenesis.
  • Combination therapy targeting AURKA and inducing ferroptosis shows therapeutic potential for meningioma.

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