Cancer cells compensate for missing chromosomes by increasing protein production

Cancer cells can tolerate missing chromosomes by increasing the production of specific proteins encoded by the absent chromosome. This finding challenges the prevailing scientific view that cells primarily maintain protein balance by degrading excess proteins. Researchers used mass spectrometry to observe this compensatory protein synthesis. The study focused on lung epithelial cells and utilized gene-editing technology to model chromosome loss, revealing a novel mechanism for cellular adaptation to aneuploidy.