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A brain protein that seems to slow glioma growth

Original title: α-Synuclein suppresses glioma progression through the CDH13-JNK/c-Jun pathway.

How far along is this research?

This was done in animals, not people. Most findings at this stage never become treatments.

This was only done in lab cells and in mice.

The short version

A protein called alpha-synuclein slowed glioma: A tumor that starts in the glial cells, the support cells of the brain and spinal cord. Gliomas are given a grade from 1 to 4 describing how the tumor is expected to behave. See the glossary growth in lab and mouse tests.

What was studied. Researchers measured a protein called alpha-synuclein in glioma: A tumor that starts in the glial cells, the support cells of the brain and spinal cord. Gliomas are given a grade from 1 to 4 describing how the tumor is expected to behave. See the glossary tumor samples from patients. They then raised and lowered the protein in glioma cells in the lab, and in mice with brain tumors.

What they found. Faster growing, higher grade tumors had less of this protein. Patients whose tumors had more of it lived longer. In the lab, adding more of the protein slowed glioma: A tumor that starts in the glial cells, the support cells of the brain and spinal cord. Gliomas are given a grade from 1 to 4 describing how the tumor is expected to behave. See the glossary cells from growing and spreading, and taking it away sped them up. In mice, more of the protein slowed tumor growth and the mice lived longer.

What this means, and what it doesn't

What it could mean: This protein may one day be a target for new glioma: A tumor that starts in the glial cells, the support cells of the brain and spinal cord. Gliomas are given a grade from 1 to 4 describing how the tumor is expected to behave. See the glossary drugs. It may also help doctors judge how a tumor is likely to behave. It does not change any treatment today.

What it doesn't mean: This does not mean a new treatment is here. The work was done in cells and in mice, not as a treatment in people. There is no drug based on this that a patient can get. It is not a cure, and it is a long way from everyday care.

Source: PubMed, September 1, 2026 · Read the original

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