A plant compound called myrtenol reduced tumor and behavior problems in rats
Original title: Myrtenol modulates TWEAK/TLR4-NF-κB, miR-21, PTEN, and ERK-1 expressions and improves behavioral outcomes in a rat glioblastoma model.
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 rats, not in people.
The short version
In rats with brain tumors, a natural plant compound eased tumor signs and anxious behavior, but this has not been tested in people.
What was studied. Researchers worked with male Wistar rats given a glioblastoma: The fastest-growing type of glioma (grade 4). Treatment usually starts soon after diagnosis: surgery first, then radiation and chemotherapy. See the glossary model. Groups got a sham procedure, an inactive liquid, or myrtenol at 25, 50, or 100 mg/kg. The team watched the rats' behavior in an open field and studied their brain tissue and gene activity.
What they found. Rats with tumors acted more anxious. They spent less time in the center, groomed more, and reared less, and their brain tissue showed damage and higher inflammation signals. Myrtenol, mostly at the 100 mg/kg dose, went along with better behavior, less tumor, fewer dividing tumor cells, and lower inflammation signals. Lower doses helped only in part, and one marker called miR-21 dropped by a small amount the researchers did not count as a real change.
What this means, and what it doesn't
What it could mean: For now this means nothing you can act on. It is an early clue that this compound may affect inflammation and tumor signals in the brain. Any use in people would need years of further study first.
What it doesn't mean: This does not mean myrtenol treats glioblastoma: The fastest-growing type of glioma (grade 4). Treatment usually starts soon after diagnosis: surgery first, then radiation and chemotherapy. See the glossary in people. The study was done only in rats, which is the animal stage of research. Many things that help animals do not help people. This is a long way from everyday care, it is not a treatment you can ask a doctor for, and it is not a cure.
Source: PubMed, July 24, 2026 · Read the original
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