The researchers have connected problems with the organelle to a subset of breast cancer tumors that make lots of mistakes when segregating chromosomes. Excitingly, they found their analysis offered a new way for doctors to sort patient tumors as they choose therapies. They hope these insights will allow doctors to better personalize treatments to best benefit patients — sparing up to 40 percent of patients with breast cancer, for example, a taxing treatment that won’t be effective.
