A protein that helps some meningioma tumors grow
Original title: YAP-TEAD-driven CPA4 promotes NF2-deficient meningioma growth.
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.
The tumors were treated in mice and in the lab, not in people.
The short version
Scientists found a protein that helps some brain tumors grow in lab and mouse tests.
What was studied. Researchers studied meningioma, a tumor that grows in the lining of the brain. They looked at tumor samples from patients, then tested tumor cells and mice with these tumors.
What they found. A protein called CPA4 was high in tumors that had lost the NF2 gene. Higher CPA4 was linked to a higher tumor grade. When the team lowered CPA4, the tumor cells grew more slowly, tumors in the brain grew less, and the mice lived longer. Two drugs that block a signal called YAP-TEAD also lowered CPA4 and slowed tumor growth in mice.
What this means, and what it doesn't
What it could mean: This points to a possible new way to treat meningioma that has lost NF2. CPA4 might also help doctors spot which tumors could respond to these drugs. One of the drugs used here is already being tested in people.
What it doesn't mean: This is not a treatment you can get today. The tumor work was done in cells and in mice, not in people with meningioma. It is not a promise of a cure. Many years of testing in people would be needed before any of this could change care.
Source: PubMed, August 7, 2026 · Read the original
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