A protein may help brain tumors grow, and lab work points to a way to block it
Original title: Progranulin promotes glioma progression through the M2-TGF-β axis: targeted therapy with SORT1-loaded HAMA hydrogel microspheres.
How far along is this research?
- Lab cells
- Animals
- Review
- Tested in people
This was done in animals, not people. Most findings at this stage never become treatments.
This was only done in lab cells and in animals, not in people.
The short version
This is early lab and animal work on a protein that seems to help brain tumors grow.
What was studied. Researchers studied glioblastoma: The fastest-growing type of glioma (grade 4). Treatment usually starts soon after diagnosis: surgery first, then radiation and chemotherapy. See the glossary, a fast growing brain tumor. They looked at gene data from people with this tumor, tested tumor cells in the lab, and treated tumors in animals.
What they found. People whose tumors made more of a protein called progranulin lived for a shorter time, and their tumors got worse sooner. In the lab, switching this protein off slowed tumor cells from growing, moving, and spreading. The team then made tiny gel beads that soak up the protein, and injecting the beads into tumors slowed tumor growth in animals.
What this means, and what it doesn't
What it could mean: Progranulin may be one reason glioblastoma: The fastest-growing type of glioma (grade 4). Treatment usually starts soon after diagnosis: surgery first, then radiation and chemotherapy. See the glossary grows fast and helps the tumor hide from the immune system. That makes it a possible target for treatments someone might try to build in the future.
What it doesn't mean: This is not a treatment you can ask for. The work was done in cells in a dish and in animals. It has not been tested in people at all. Many things that work in animals do not work in people. This is not a cure, and it is a long way from everyday care.
Source: PubMed, June 25, 2026 · Read the original
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