Cellular starvation kills treatment-resistant breast cancer

Cancer rewires the metabolism of tumor cells, converting them into lean, mean, replicating machines. But like Olympic athletes who rely on special diets to perform, tumor cells’ amped-up metabolism can also make them dependent on specific nutrients for survival. In a new study, scientists report that cells from a vicious and treatment-resistant form of breast cancer die off rapidly when deprived of a key nutrient called cystine.
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