A protein called CDH3 is being studied as a target for cancer drugs
Original title: CDH3 in human tumors: tumor biology and potential therapeutic target.
How far along is this research?
- Lab cells
- Animals
- Review
- Tested in people
This looks across many earlier studies rather than running a new one.
This is a summary of where the research is heading, not a treatment tested in people.
The short version
Scientists are looking at a protein called CDH3 to see if it could be used to attack cancer cells, including in glioblastoma: The fastest-growing type of glioma (grade 4). Treatment usually starts soon after diagnosis: surgery first, then radiation and chemotherapy. See the glossary.
What was studied. This is a review paper. The authors gathered what is already known about CDH3, a protein that helps cells stick together, and how it behaves in many kinds of human cancer.
What they found. CDH3 is often found in higher amounts in breast, lung, stomach, colon, pancreas, bile duct, ovarian, and glioblastoma: The fastest-growing type of glioma (grade 4). Treatment usually starts soon after diagnosis: surgery first, then radiation and chemotherapy. See the glossary tumors. In those settings it is often linked to tumors that grow and spread more, resist treatment, and have worse outcomes. But the picture is not simple. In melanoma, bladder, liver, and kidney cancers, losing CDH3 or moving it inside the cell can go the other way and be linked to less spreading. Researchers have started building drugs aimed at CDH3, such as antibodies and antibody-drug conjugates.
What this means, and what it doesn't
What it could mean: If CDH3 sits on the outside of tumor cells, it may give drugs a way to find those cells. That idea is still being worked out in the lab. Nothing here changes the treatment a patient gets today.
What it doesn't mean: This is not a new treatment. It is a review of where the science stands, not a study in people. The authors say clear problems remain. CDH3 shows up in different amounts in different tumors, it also shows up in healthy tissue, and there is no reliable test yet to tell who might benefit. This is not a cure, and it is a long way from everyday care.
Source: PubMed, June 22, 2026 · Read the original
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