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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.
Abstract:
The oncogene Aurora kinase A (AURKA) has been implicated in various tumor, yet its role in meningioma remains unexplored. Recent studies have suggested a potential link between AURKA and ferroptosis, although the underlying mechanisms are unclear. This study presented evidence of AURKA upregulation in high grade meningioma and its ability to enhance malignant characteristics. We identified AURKA as a suppressor of erastin-induced ferroptosis in meningioma. Mechanistically, AURKA directly interacted with and phosphorylated kelch-like ECH-associated protein 1 (KEAP1), thereby activating nuclear factor erythroid 2 related factor 2 (NFE2L2/NRF2) and target genes transcription. Additionally, forkhead box protein M1 (FOXM1) facilitated the transcription of AURKA. Suppression of AURKA, in conjunction with erastin, yields significant enhancements in the prognosis of a murine model of meningioma. Our study elucidates an unidentified mechanism by which AURKA governs ferroptosis, and strongly suggests that the combination of AURKA inhibition and ferroptosis-inducing agents could potentially provide therapeutic benefits for meningioma treatment.
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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