Breast Cancer Stem Cells Express HER2, Even In 'Negative' Tumors, Study Finds

New research from the University of Michigan Comprehensive Cancer Center finds that the protein HER2 plays a role even in breast cancers that would traditionally be categorized as HER2-negative - and that the drug Herceptin, which targets HER2, may have an even greater role for treating breast cancer and preventing its spread. About 20 percent of women with breast cancer have tumors labeled HER2-positive... via Health News from Medical News Today Read More Here..