Blocking a protein made brain tumor cells easier to kill with radiation
Original title: Heterogeneous and conserved radiation responses reveal FOXM1-dependent regulation of microcephaly genes in glioblastoma
How far along is this research?
This is a preprint. Other scientists have not checked it yet, so treat it as an early signal rather than an answer.
This was done only on cells in a dish, not in people.
The short version
In lab tests, blocking one protein made glioblastoma: A glioma that is given grade 4, the highest grade. It grows fast. Treatment usually starts soon after it is found. It often means surgery, then radiation and chemotherapy. See the glossary cells more sensitive to radiation.
What was studied. Researchers grew four patient-derived glioblastoma: A glioma that is given grade 4, the highest grade. It grows fast. Treatment usually starts soon after it is found. It often means surgery, then radiation and chemotherapy. See the glossary stem cell lines in the lab and gave them radiation. They watched which genes turned on or off, and they also tested a drug that blocks a protein called FOXM1.
What they found. Each cell line reacted to radiation in its own way. But radiation turned down the same set of growth genes in all of them. Blocking FOXM1 with a drug made U251 tumor cells easier to kill with radiation.
What this means, and what it doesn't
What it could mean: This points to one possible way to help radiation work better against glioblastoma: A glioma that is given grade 4, the highest grade. It grows fast. Treatment usually starts soon after it is found. It often means surgery, then radiation and chemotherapy. See the glossary. It gives scientists a target to study further.
What it doesn't mean: This was lab work on cells in a dish. No people were treated in this study. It is not a treatment you can ask a doctor for. It does not mean radiation works better for anyone today. It is not a cure, and it is not a promise of one.
Source: bioRxiv (preprint), September 2, 2026 · Read the original
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