Achilles' heel in aggressive breast tumors uncovered

ScienceDaily (2010-10-12) -- In an unexpected twist, researchers find that the loss of a single protein, Nedd9, initially slows cancer formation but then makes the tumors that do arise more aggressive. The good news, though, is that the lack of Nedd9 also makes the aggressive tumors more sensitive to a class of drugs that are already used in the clinic.