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Targeting microRNAs makes cancer stem cells more susceptible to chemotherapies Researchers in Italy have identified a pair of microRNA molecules that help maintain a population of cancerous stem cells that drive the growth of breast cancers and initiate tumor relapse after treatment. The study, which will be published April 2 in the Journal of Cell Biology ( JCB), reveals that targeting these microRNAs makes cancer stem cells more susceptible to some chemotherapies and could potentially improve the prognosis of patients with aggressive forms of breast cancer. Many tumors contain a small population of cancer stem cells that initiate tumor growth and give rise to the various cell types found in tumors. Moreover, because cancer stem cells are often resistant to radio- and chemotherapies, they can survive and promote tumor relapse and metastasis after initial rounds of treatment. In breast cancer, for example, tumors containing a relatively high number of cancer stem cells have a mu

Francesco nicassioEmily hendersonCenter coordinator of theItalian institute of technologyEuropean institute of oncologyUniversity of milanCell biologyPrincipal investigatorCenter coordinatorGenomic scienceItalian institutePier paolo di fioreEuropean instituteBreast cancerStem cellsஎமிலி ஹென்டர்சன்