Therapeutic potential of targeting glucose metabolism in glioma stem cells
1Associate Professor, Director of Neural Cancer Stem Cell Program,The Ohio State University, James Comprehensive Cancer Center, Department of Neurological Surgery , 385 Wiseman Hall, 400 W 12th St., Columbus, OH 43210 , USA +1 614 292 0358 ; +1 614 688 4882 ; Ichiro.nakano@osumc.edu.
Abstract:
Glioblastoma is a highly lethal cancer. Glioma stem cells (GSCs) are potentially an attractive therapeutic target and eradication of GSCs may impact tumor growth and sensitize tumors to conventional therapies. The brain is one of the most metabolically active organs with glucose representing the most important, but not the only, source of energy and carbon. Like all other cancers, glioblastoma requires a continuous source of energy and molecular resources for new cell production with a preferential use of aerobic glycolysis, recognized as the Warburg effect. As selected metabolic nodes are amenable to therapeutic targeting, we observed that the Warburg effect may causally contribute to glioma heterogeneity. This Editorial summarizes recent studies that examine the relationship between GSCs and metabolism and briefly provides our views for the future directions. The ultimate goal is to establish a new concept by incorporating both the cellular hierarchical theory and the cellular evolution theory to explain tumor heterogeneity. Such concept may better elucidate the mechanisms of how tumors gain cellular and molecular complexity and guide us develop novel and effective targeted therapies.
Insights
Targeting glioma stem cells (GSCs) and their metabolism, like the Warburg effect, is crucial for glioblastoma treatment. Understanding this link may reveal new therapeutic strategies for this lethal brain cancer.
Area of Science:
- Neuro-oncology
- Cancer Metabolism
- Glioblastoma Research
Background:
- Glioblastoma (GBM) is a deadly brain cancer where glioma stem cells (GSCs) are key drivers of tumor growth and resistance.
- Glioblastoma exhibits the Warburg effect, a metabolic shift towards aerobic glycolysis, crucial for energy and biomass production.
- The brain's high metabolic activity relies heavily on glucose, influencing cancer cell metabolism.
Discussion:
- The Warburg effect in glioblastoma may causally contribute to tumor heterogeneity, complicating treatment.
- Metabolic nodes offer potential therapeutic targets for glioblastoma and GSC eradication.
- Recent studies highlight the intricate relationship between GSCs and their metabolic dependencies.
Key Insights:
- Eradicating GSCs could significantly impact glioblastoma growth and enhance sensitivity to conventional therapies.
- Targeting specific metabolic pathways, including the Warburg effect, presents a promising therapeutic avenue.
- Metabolic reprogramming is intrinsically linked to the development of glioblastoma heterogeneity.
Outlook:
- Future research should integrate cellular hierarchy and evolution theories with metabolic insights to explain glioblastoma heterogeneity.
- Developing novel targeted therapies based on a comprehensive understanding of GSC metabolism and tumor evolution is essential.
- This approach aims to elucidate mechanisms of tumor complexity and guide the development of more effective glioblastoma treatments.
