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A lab model of how NF2 meningiomas grow blood vessels

Original title: A 3D in vitro co-culture model to investigate tumor-endothelial interactions in Neurofibromatosis type 2-associated meningiomas.

How far along is this research?

This was done on cells in a lab, not in people. It is a very early step.

This was only done with cells in a dish, not in people.

The short version

Scientists built a lab model to learn how these tumors grow blood vessels.

What was studied. Researchers grew NF2 meningioma cells next to human blood vessel cells in a 3D lab model. They tested a drug called RMC-6272 and also removed a gene called APLN.

What they found. The tumor cells made blood vessel cells sprout into tube-like networks. The drug RMC-6272 strongly cut down that sprouting. The tumor cells also made a lot of a protein called Apelin, which drove the sprouting.

What this means, and what it doesn't

What it could mean: Right now this is only lab work. Drugs that block blood vessel growth do not help most NF2 meningiomas. This study points to a different target called Apelin. It gives researchers a new way to test ideas.

What it doesn't mean: This is not a treatment anyone can get. The work was done with cells in a dish, not in people. No patient was treated or helped in this study. It is not a cure, and it may never lead to one. Years of testing would be needed first.

Source: PubMed, August 17, 2026 · Read the original

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