A new finding by University of Pennsylvania scientists has identified
key steps that trigger this disintegration of cellular regulation. Their
discovery—that a protein called Exo70 has a split personality, with one
form keeping cells under tight control and another contributing to the
ability of tumors to invade distant parts of the body—points to new
possibilities for diagnosing cancer metastasis.
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http://www.upenn.edu/pennnews/news/one-protein-two-personalities-penn-team-identifies-new-mechanism-cancer-spread
