A gene treatment helped mice live longer, but it stopped working
Original title: Addressing the Limits of Emx2 Therapy of Glioblastoma Multiforme by Transgene Insulation and Epigenetic Pharmacological Intervention.
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 mice and in cells in a lab dish.
The short version
Adding a gene called EMX2 helped mice with brain tumors live longer, but it did not wipe out the tumor.
What was studied. Scientists put human 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 into the brains of mice. They added extra copies of a gene called EMX2 to those cells. They compared this with 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, a chemo drug used for brain tumors.
What they found. The mice whose tumor cells had extra EMX2 lived longer. They did better than the mice treated with 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. But the tumor was not wiped out, because the added gene got switched off inside the body. The team then shielded the gene and used certain drugs. That helped keep the gene from switching off.
What this means, and what it doesn't
What it could mean: This points to a possible new way to treat 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 someday. It also names the main problem that must be fixed first, which is the added gene turning itself off.
What it doesn't mean: This work was done in mice and in cells grown in a lab dish. No people were treated. It is very early, and it is not something a doctor can offer you. It is not a cure, and it is not a promise of one. Research like this takes many years to reach real care, and it may never get there.
Source: PubMed, September 7, 2026 · Read the original
This plain-language summary was written by AI and published automatically after passing our automatic safety checks. How we write.