A gene tied to a childhood brain tumor may not be needed to keep it growing
Original title: Forebrain Lineage Factor DMRTA2 Is Not Required for Maintenance of H3G34-Mutant Paediatric High-Grade Gliomas.
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 lab work on tumor cells grown in a dish, not a test in people.
The short version
A gene that helps start one type of childhood brain tumor does not seem to be needed once the tumor is already there.
What was studied. Researchers looked at a gene called DMRTA2 in H3G34-mutant diffuse hemispheric 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 brain tumor that affects children. They tested tumor cells grown in the lab from patients to see if the tumor cells still needed this gene.
What they found. DMRTA2 is normally active in the front part of the brain. It shows up at high levels in these tumors, and it has been linked to how they get started. But the lab tumor cells did not need it to keep going once they were established.
What this means, and what it doesn't
What it could mean: This adds to what scientists know about how these tumors work. It hints that blocking this one gene would likely not stop a tumor that has already formed. It also suggests the right target may change as a tumor grows.
What it doesn't mean: This does not mean there is a new treatment. Nothing here was tested in people. This was lab work on tumor cells grown in a dish. It is not a cure, and it does not change the care a child gets today.
Source: PubMed, July 1, 2026 · Read the original
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