A gene that may help brain tumors resist chemo
Original title: VKORC1L1 contributes to glioblastoma progression and temozolomide resistance by sustaining vitamin K reduction and limiting ferroptosis-associated lipid peroxidation.
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.
The idea was only tested in lab cells and in mice.
The short version
In lab tests, blocking one gene made brain tumor cells easier to kill with chemo.
What was studied. Researchers studied a gene called VKORC1L1 in 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, a fast-growing brain tumor. They checked it in five glioblastoma cell lines, in a gene database of patients, and in mice with tumors.
What they found. Tumors that came back had more of this gene, and those patients lived less time. Turning the gene off slowed the cells and made the chemo drug temozolomide: A chemotherapy taken as a capsule, used for some brain tumors. Your team checks your blood counts while you are on it. See the glossary work better. In mice, turning it off along with chemo gave the smallest tumors.
What this means, and what it doesn't
What it could mean: This does not change care today. It points to a possible way to make temozolomide: A chemotherapy taken as a capsule, used for some brain tumors. Your team checks your blood counts while you are on it. See the glossary work better. Scientists may now look for drugs that block this gene.
What it doesn't mean: This is not a new treatment, and it is not a cure. The work was done in lab cells and in mice, not in people. No one knows yet if blocking this gene is safe or helps patients. A drug like this would need years of testing first.
Source: PubMed, October 13, 2026 · Read the original
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