Numerous cancer types are known to have an influence on human chromosomes, deleting certain portions in order to be able to infect the body. Now, researchers have shown that some of these deleted sections contain clusters of tumor-suppressing genes.
Experts say that this has been suspected for quite some time, but that evidence to prove that this was indeed the case has been lacking. The new investigation looked at a copy-number alteration (CNA), a deletion that occurs on the short arm of chromosome 8 (8p).
The study was carried out on mouse models of human liver cancer. Researchers found that this specific CNA affected a series of genes that work together to counteract tumors as soon as they start evolving.
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