Brain tumor cells recycle selenium to protect themselves
Original title: LncRNA CCDC152 coordinates a tumor-associated selenoprotein P cycle that sustains selenium-dependent redox homeostasis in glioblastoma.
How far along is this research?
- Lab cells
- Animals
- Review
- Tested in people
This was done on cells in a lab, not in people. It is a very early step.
This was done on cells in the lab, not in people.
The short version
In lab tests, 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 reused a mineral to keep themselves from dying.
What was studied. Researchers worked with 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 looked at how the cells take in, send out, and reuse selenium, a mineral the body needs. They also looked at tumor samples from people.
What they found. The cells released a selenium-carrying protein and then pulled it back in. A molecule called CCDC152 helped run this loop. When the team blocked parts of the loop, the cells grew less and died more easily. In tumor samples, higher levels of these parts went along with worse outcomes.
What this means, and what it doesn't
What it could mean: This points to a possible weak spot 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. If a drug could break this selenium loop, tumor cells might be easier to kill. That idea still needs a lot more testing.
What it doesn't mean: This is early lab work on cells, not a treatment. No one was treated here, and there was no trial in people. It does not mean a new drug is close, and it is not a cure. Nothing here changes the care you get today.
Source: PubMed, October 12, 2026 · Read the original
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