New lab compounds block a cell protein linked to tumor growth
Original title: Simplification and Derivatization of Quinoline-Containing M41 Lead to the Discovery of NADPH Oxidase Isoform-Selective Inhibitors Effective in Cancer Cells.
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 on cells in the lab.
The short version
This is early lab work on new chemicals, not a treatment people can get.
What was studied. Scientists made new chemical compounds based on two earlier ones, M41 and MC4876. They tested which forms of a cell protein called NOX each compound could block. They also tested MC4876 on 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 cells and on another cell line in the lab.
What they found. Small changes to the chemicals changed which form of NOX they blocked. One compound blocked NOX1. Another was the strongest and most selective at blocking NOX2. MC4876 lowered the survival of 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 cells in the lab. It also cut their sugar uptake, caused DNA damage, and harmed the energy parts of cells.
What this means, and what it doesn't
What it could mean: Researchers may have a useful starting point for building future drugs. Blocking NOX proteins is hard, and these compounds show it can be done in a targeted way. For now this only tells us something about cells in a dish.
What it doesn't mean: This does not mean a new treatment is coming soon. The work was done on cells in the lab, not in animals or people. We do not know if these compounds are safe or if they help anyone live longer. This is not a cure, and it is many steps away from everyday care.
Source: PubMed, October 22, 2026 · Read the original
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