Researchers study a gene called PIK3R3 in many cancers, including a type of brain tumor
Original title: Systematic pan-cancer analysis identifies PIK3R3 as a lipid metabolism and immune regulation prognostic biomarker.
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 a computer study of existing data, with no new testing in people.
The short version
Scientists looked at old data from many cancers and found a gene that may be linked to how some tumors behave.
What was studied. Researchers used cancer gene data already stored in a public database called Xena. They looked at many cancer types at once to see where a gene called PIK3R3 seemed to matter most.
What they found. Five cancers stood out as strongly linked to PIK3R3. One of them was lower 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, a type of brain tumor. The others were a kidney cancer, a liver cancer, a lung cancer, and a cancer of the lining of the uterus. In brain and uterine tumors, the gene was closely tied to tumor grade, which is how fast a tumor tends to grow. The team also predicted, by computer, that a few known compounds might act on this gene.
What this means, and what it doesn't
What it could mean: This may help scientists understand what drives some tumors. Over time, a gene like this could become a way to guess how a tumor will behave. It could also point to new ideas for treatments to test later.
What it doesn't mean: This is not a treatment. It is not a cure, and it is not close to one. No patients were given anything in this study. The team only ran computer analysis on data that already existed. The compounds named were predicted by software, not tested in people for brain tumors. Nothing here changes the care you get today. Do not start or stop any medicine based on this.
Source: PubMed, July 22, 2026 · Read the original
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