A protein in glioma tumors may help show when a tumor comes back
Original title: M2 type tumor-associated macrophage-derived CCL-18 promotes glioma cell proliferation but does not mediates glioma recurrence after radiotherapy.
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 the lab, using stored tumor samples and cells in dishes.
The short version
Lab work found a protein that rises in glioma: A tumor that starts in the glial cells. Those are the support cells of the brain and spinal cord. Gliomas are given a grade from 1 to 4. The grade says how the tumor is expected to act. See the glossary after radiation, but it did not make the tumor come back.
What was studied. Researchers looked at gene activity and immune cells in glioma: A tumor that starts in the glial cells. Those are the support cells of the brain and spinal cord. Gliomas are given a grade from 1 to 4. The grade says how the tumor is expected to act. See the glossary tumors before and after radiation. They checked the results in tumor samples from 23 paired gliomas, and then tested glioma cells and immune cells in the lab.
What they found. After radiation, the tumors held more immune cells of one type. A protein called CCL-18 went up more than any other. In lab dishes, CCL-18 made glioma: A tumor that starts in the glial cells. Those are the support cells of the brain and spinal cord. Gliomas are given a grade from 1 to 4. The grade says how the tumor is expected to act. See the glossary cells grow faster. But it did not cause tumors to come back after radiation. The treated glioma cells had fewer of the parts that CCL-18 needs to attach to.
What this means, and what it doesn't
What it could mean: This does not change any treatment today. If the work holds up, CCL-18 might one day be used as a marker. That means a possible way to help spot a glioma: A tumor that starts in the glial cells. Those are the support cells of the brain and spinal cord. Gliomas are given a grade from 1 to 4. The grade says how the tumor is expected to act. See the glossary that has come back. It does not look like a target for a new drug.
What it doesn't mean: This is early lab work. It used gene tests, stored tumor samples, and cells in dishes. No person was given a new treatment here. There is no proof this helps anyone live longer or feel better. It is not a cure, and it is years away from everyday care, if it gets there at all.
Source: PubMed, September 30, 2026 · Read the original
This plain-language summary was written by AI and published automatically after passing our automatic safety checks. How we write.