Blocking certain proteins slowed a childhood brain tumor in lab tests
Original title: Targeting SAGA/ATAC complexes disrupts chromatin regulation and cholesterol metabolism in diffuse midline glioma
How far along is this research?
This is a preprint. Other scientists have not checked it yet, so treat it as an early signal rather than an answer.
This was only done in tumor cells and in mice.
The short version
In lab dishes and in mice, blocking certain proteins slowed a hard childhood brain tumor.
What was studied. Researchers looked at diffuse midline 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, a fast growing brain tumor in children. They blocked proteins in the SAGA and ATAC groups, using gene edits and drugs, in tumor cells and in mice.
What they found. Blocking a protein called SGF29 slowed tumor cell growth. Mice with these tumors also lived longer. Drugs that block related proteins slowed growth too. Blocking the proteins KAT2A and KAT2B turned down genes that make cholesterol. Adding a cholesterol blocker on top worked better than either one alone.
What this means, and what it doesn't
What it could mean: This points to a new way researchers might attack these tumors. It gives them a target to keep studying. It is not something a child can be given today.
What it doesn't mean: This does not mean a new treatment is ready. The work was done in tumor cells and in mice, not in people. No one knows yet if it is safe or helpful for children. Many things that work in mice do not work in people. This is not a promise of a cure.
Source: bioRxiv (preprint), August 14, 2026 · Read the original
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