A protein that helps glioblastoma resist a drug target
Original title: Adaptive induction of NFS1 links mTOR suppression to stemness-associated plasticity in glioblastoma.
How far along is this research?
- Lab cells
- Animals
- Review
- Tested in people
This was done in animals, not people. Most findings at this stage never become treatments.
This was only done in cells and in animals, not in people.
The short version
Lab tests found a protein that helps brain tumor cells survive a drug that blocks their growth signals.
What was studied. Researchers used human glioblastoma: A glioma that is given grade 4. Grade 4 is the highest grade there is. The tumor grows fast. Treatment usually starts soon after it is found. It often means surgery, and then radiation and chemotherapy. See the glossary cells in the lab. They blocked a cell growth pathway called mTOR, then looked at how the cells changed. They also grew tumors in animals and checked public data.
What they found. When mTOR was blocked, the cells began to act more like stem cells. Stem-like cells are harder to treat. The cells also made more of a protein called NFS1. When the team lowered NFS1, some of those stem-like changes eased, and the cells were easier to hit with mTOR blockers.
What this means, and what it doesn't
What it could mean: This may help explain why some glioblastoma: A glioma that is given grade 4. Grade 4 is the highest grade there is. The tumor grows fast. Treatment usually starts soon after it is found. It often means surgery, and then radiation and chemotherapy. See the glossary drugs stop working. It points to NFS1 as a possible second target to use alongside them. For now it is a clue for researchers, not a treatment choice for patients.
What it doesn't mean: This does not mean there is a new treatment. The work was done in cells and in animals, not in people. No one has shown it is safe or helpful for patients. It is not a cure, and it is a long way from everyday care.
Source: PubMed, November 3, 2026 · Read the original
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