Glioblastoma: A New Therapeutic Target Identified at the Core of Tumor Metabolism
Publié le 18/06/2026
Glioblastoma is currently one of the most aggressive forms of brain cancer. Despite scientific and medical advances, its prognosis remains extremely poor, with frequent recurrences and a patient survival rate estimated at approximately one and a half years. Current treatments create a highly hostile microenvironment; however, some glioblastoma cells are able to adapt to these conditions through rapid metabolic reprogramming.
A study recently published in Nature Cell Biology¹ by researchers from the CRCL provides valuable insight into this issue and identifies a promising therapeutic target for the treatment of glioblastoma.
llustration depicting the central role of ERO1α in glioblastoma metabolism © Lola Violy
ERO1α: A Protein with a Central Role
At the heart of this discovery is the protein ERO1α. This protein regulates the activity of two essential cellular structures: the endoplasmic reticulum—a key site of protein synthesis—and the mitochondria, often described as the cell’s powerhouses.
By studying glioblastoma tumor cells, researchers found that these cells contain abnormally high levels of this protein. Furthermore, they demonstrated that ERO1α acts as a conductor, enabling cancer cells to adapt and shift their mode of operation. Indeed, through ERO1α, glioblastoma cells become both more aggressive and more metabolically flexible—that is, capable of adjusting their energy production according to environmental conditions. This adaptability allows them to survive and proliferate in a hostile environment, significantly reducing the effectiveness of standard treatments.
A Promising New Therapeutic Target
The researchers’ work does not stop there. They also demonstrated that blocking ERO1α activity can slow tumor development.
They have thus identified an exploitable vulnerability in glioblastoma, positioning ERO1α as a promising therapeutic target for the development of future treatments for this disease.
1Bassot, A., Violy, L., Gorka, L. et al. ERO1a fosters glioblastoma aggressiveness and metabolic flexibility by regulating mitochondria-associated membrane dynamics. Nat Cell Biol (2026). https://doi.org/10.1038/s41556-026-01980-2