Brain tumor cells take protein builders from healthy brain cells
Original title: Glioblastoma Hijacks Astrocyte Ribosomes to Feul Malignancy through Translatome Reprogramming
How far along is this research?
This is a preprint. Other scientists have not checked it yet, so treat it as an early signal rather than an answer.
This was only done in lab cells and in mice.
The short version
In lab studies, brain tumor cells stole working parts from nearby healthy cells.
What was studied. Scientists studied glioblastoma: A glioma that is given grade 4. Grade 4 is the highest grade there is. The tumor grows fast. Treatment usually starts soon after it is found. It often means surgery, and then radiation and chemotherapy. See the glossary in mice and in models made from patient tumors. They tracked tiny cell parts called ribosomes, which build proteins.
What they found. The tumor cells pulled ribosomes from nearby support cells called astrocyte: A star-shaped helper cell in the brain and spinal cord. It is one of the glial cells that sit around nerve cells. An astrocytoma starts in these. See the glossary. They used thin tube-like links to do it. The stolen ribosomes still worked and helped the tumor grow and hide from the immune system. Blocking a gene called INTS12 slowed the tumor, and mice lived longer.
What this means, and what it doesn't
What it could mean: This points to a new way brain tumors may feed their growth. The gene INTS12 could become a target for future drugs.
What it doesn't mean: This is early lab and animal work. No drug for people has come from it. No one has tested this in patients yet. It is not a cure, and it does not change care today.
Source: bioRxiv (preprint), October 29, 2026 · Read the original
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