A Seizure Drug Slowed Glioma Growth in Lab Cells and Mice
Original title: Valproic Acid Inhibits Glioma Cell Proliferation by Inducing Neuronal-Like Differentiation Partly Through HDAC1/REST Suppression.
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 lab cells and in mice, not in people.
The short version
A common seizure drug pushed glioma: A tumor that starts in the glial cells. Those are the support cells of the brain and spinal cord. Gliomas are given a grade from 1 to 4. The grade says how the tumor is expected to act. See the glossary cells to act more like nerve cells and grow slower.
What was studied. Researchers tested valproic acid, a drug used for seizures, on two kinds of glioma: A tumor that starts in the glial cells. Those are the support cells of the brain and spinal cord. Gliomas are given a grade from 1 to 4. The grade says how the tumor is expected to act. See the glossary cells grown in a lab. They also tested it in mice that had glioma tumors.
What they found. The glioma: A tumor that starts in the glial cells. Those are the support cells of the brain and spinal cord. Gliomas are given a grade from 1 to 4. The grade says how the tumor is expected to act. See the glossary cells changed shape and looked more like nerve cells. They grew slower and acted less like stem cells. In the mice, the drug slowed tumor growth, and mice with brain tumors lived longer. Pairing the drug with rapamycin slowed cell growth more than the drug alone.
What this means, and what it doesn't
What it could mean: Valproic acid is already an approved seizure drug, and some people with brain tumors take it. This study offers one possible reason it may also act on tumor cells. It gives scientists a path to test, including drug pairs.
What it doesn't mean: This does not mean valproic acid treats glioma: A tumor that starts in the glial cells. Those are the support cells of the brain and spinal cord. Gliomas are given a grade from 1 to 4. The grade says how the tumor is expected to act. See the glossary. The work was done in cells in a dish and in mice, not in people. No one knows yet if it would help a person. This is early lab work, far from everyday care, and it is not a cure. Do not change any medicine without talking to your own doctor.
Source: PubMed, October 15, 2026 · Read the original
This plain-language summary was written by AI and published automatically after passing our automatic safety checks. How we write.