A tiny lab chip shows how brain tumor cells may push back against one drug
Original title: A Spatially Controlled Glioblastoma-on-a-Chip for Dissecting Tumor-Immune-Vascular Crosstalk and Bevacizumab Resistance.
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 with cells on a lab chip, not in people.
The short version
Scientists built a small lab device to watch brain tumor cells and nearby cells affect each other.
What was studied. Researchers built a small chip that holds tiny clumps of glioblastoma: A glioma that is given grade 4, the highest grade. It grows fast. Treatment usually starts soon after it is found. It often means surgery, then radiation and chemotherapy. See the glossary tumor cells. They placed blood vessel cells and immune cells around the tumor in exact spots. This let them watch the cells interact as it happened.
What they found. Blood vessel cells drew nearby immune cells toward the tumor. They also changed those immune cells so they helped the tumor instead of fighting it. When the team tested the drug bevacizumab: A drug that acts on the blood vessels a tumor builds. In brain tumors it is used mainly to control symptoms from swelling, and to reduce how much steroid someone needs. See the glossary alone, the tumor cells changed in ways that could help the tumor, including how they use fuel.
What this means, and what it doesn't
What it could mean: This tool may help scientists learn why brain tumors stop responding to treatment. Over time, that could point to better ways to use drugs like bevacizumab: A drug that acts on the blood vessels a tumor builds. In brain tumors it is used mainly to control symptoms from swelling, and to reduce how much steroid someone needs. See the glossary. For now, it is a research tool, not a treatment.
What it doesn't mean: This was done with cells on a chip in a lab, not in people. It does not show that bevacizumab: A drug that acts on the blood vessels a tumor builds. In brain tumors it is used mainly to control symptoms from swelling, and to reduce how much steroid someone needs. See the glossary stops working for any one patient. It is not a new treatment, and it is not a cure. Please do not stop or change any treatment based on this study. Talk with your care team first.
Source: PubMed, September 9, 2026 · Read the original
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