Tiny particles helped a glioma drug work better in animals
Original title: Targeting USP7 - a nano-therapeutic approach to restore and reactivate P53 for promoting apoptosis in glioma therapy.
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
Researchers packed a 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 drug into tiny particles, and it worked better in lab tests and in animals.
What was studied. Researchers looked at two drugs that block a protein called USP7. This protein is found at high levels in 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. The drugs do not dissolve well and have trouble getting into the brain. So the team packed each drug into tiny particles and tested them on cells and in animals.
What they found. The packed drugs were about 10 times stronger against 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 than the plain drugs. One packed drug, called nP5091, did best. In animals, tumors shrank a lot and the animals lived longer. The team saw very little harm to the rest of the body.
What this means, and what it doesn't
What it could mean: Getting drugs into the brain is a hard problem in 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. This work shows one way researchers are trying to solve it. If the work keeps going well, it could be tested in people later.
What it doesn't mean: This does not mean there is a new treatment. This was done in cells and in animals only. It has not been tested in a single person. It is not a cure and it is not a promise of one. Many more steps and years of testing would be needed before any patient could get this.
Source: PubMed, July 17, 2026 · Read the original
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