Extracellular vesicles-derived miR-21 as a biomarker for early diagnosis and tumor activity in breast cancer subtypes by Claudia Omarini, Virginia Catani, Ilenia Mastrolia, Angela Toss, Federico Banchelli, Chrystel Isca, Daniele Medici, Ornella Ponzoni, Marco Brucale, Francesco Valle, Maria Cristina Baschieri, Roberto D’Amico, Valentina Masciale, Chiara Chiavelli, Federica Caggia, Carlo Augusto Bortolotti, Federico Piacentini, Massimo Dominici

“…The levels of miR-21 were higher in the MBC group than in the HD group (p = 0.029), mainly in those who were human epidermal growth factor receptor 2 (HER2)+ (p = 0.0005) and hormone receptor-positive (p = 0.036). …”
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