New marker identifies severe breast cancer cases

Wednesday, April 14, 2010 - 13:35 in Health & Medicine

Women with breast cancer whose tumors express high levels of a particular genetic marker are significantly more likely to die from their disease than are those with more normal levels, according to researchers. The finding implies that blocking the action of the marker -- a newly recognized type of RNA -- could one day be an effective way to prevent metastasis and improve survival for these women, who make up about one-third of all breast cancer patients.

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