Blocking a protein called CARM1 slowed brain tumor growth in mice
Original title: Depletion of CARM1 slows in vivo tumorigenicity and rewires developmental programming in glioma stem-like cells.
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.
This was only done in cells and in mice, not in people.
The short version
In a lab study, shutting off one protein slowed glioblastoma: The fastest-growing type of glioma (grade 4). Treatment usually starts soon after diagnosis: surgery first, then radiation and chemotherapy. See the glossary tumors in mice and helped them live longer.
What was studied. Researchers studied glioma: A tumor that starts in the glial cells, the support cells of the brain and spinal cord. Gliomas are graded 1 to 4 by how fast they tend to grow. See the glossary stem-like cells. These are cells that help glioblastoma: The fastest-growing type of glioma (grade 4). Treatment usually starts soon after diagnosis: surgery first, then radiation and chemotherapy. See the glossary keep growing and resist treatment. They lowered the levels of a protein called CARM1 in these cells, then tested the cells in dishes and in mice with tumors in the brain.
What they found. When CARM1 was lowered, the cells grew more slowly and more of them died. The cells also shifted to look more like an early brain cell type. Lowering CARM1 turned up NGFR and NTRK signaling, and that made the cells easier to kill with drugs that block NTRK and AKT. In mice, lowering CARM1 meant less tumor and longer survival.
What this means, and what it doesn't
What it could mean: This points to CARM1 as a possible target for future glioblastoma: The fastest-growing type of glioma (grade 4). Treatment usually starts soon after diagnosis: surgery first, then radiation and chemotherapy. See the glossary drugs. It also hints that blocking CARM1 might make other drugs work better. For now it is a clue for researchers, not a treatment option.
What it doesn't mean: This does not mean there is a new treatment. The work was done in cells and in mice, not in people. No one has tested this in a person with a brain tumor, so we do not know if it is safe or if it helps. It is not a cure, and it is many years and many studies away from everyday care. Do not change your treatment based on this.
Source: PubMed, August 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.