A protein called SOCS3 slowed brain tumor growth in lab and mouse tests
Original title: The suppressor of cytokine signaling 3 regulates glioma stem cell maintenance and immune microenvironment through signal transducer and activator of transcription 3 signaling.
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 lab dishes and in mice.
The short version
In cells and in mice, raising a protein called SOCS3 slowed 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 growth and helped mice live longer.
What was studied. Researchers studied tumor cells from 19 people with high grade 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. They also grew glioma stem cells in a dish and put them in the brains of mice, then turned the SOCS3 protein up or down.
What they found. SOCS3 levels were low in the 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 cells. In the low SOCS3 group, 777 genes were acting differently, and fewer tumor fighting immune cells got into the tumor. When researchers raised SOCS3, the tumor cells grew less, more of them died, tumors in mice grew slower, and the mice lived longer. A signal called IL-6 switched the tumor growth back on and undid the benefit.
What this means, and what it doesn't
What it could mean: This points to a possible target that drug makers could aim at later. It helps explain why some gliomas grow fast and keep the immune system out.
What it doesn't mean: This does not mean there is a new treatment. The work was done in cells in a dish and in mice. No person was treated in this study. There is no drug you can ask your doctor for based on this. It is very early lab work, and it is not a promise of a cure.
Source: PubMed, August 1, 2026 · Read the original
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