Blocking a hormone switch helped radiation fight brain tumors in mice
Original title: Targeting androgen receptor as a novel radiosensitizing therapy to improve long-term survival and anti-tumor immunity in glioblastoma via TGF-β/Smad3 Axis reprogramming.
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 main results came only from mice and lab-grown cells.
The short version
In mice with brain tumors, a hormone blocking drug made radiation work much better.
What was studied. Researchers tested drugs that block the androgen receptor, a hormone switch on cells. They used mice with brain tumors, lab cell lines, and cells taken from patient tumors.
What they found. In cells grown in a dish, the drug plus radiation helped only a little. But in mice, 100% lived long term when both were used. That was less than 50% with the drug alone and 0% with radiation alone.
What this means, and what it doesn't
What it could mean: This points to a possible new way to make radiation work better 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. Tests in people have not been done, so any benefit for patients is still unknown.
What it doesn't mean: This does not mean the drug works this way in people. The strong results came from mice and from cells in the lab. Many things that help mice do not help people. This is early research, far from everyday care, and it is not a cure.
Source: PubMed, July 25, 2026 · Read the original
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