SNAI1 and breast cancer: Importantly, the reduced expression of miR-200c, increased expression of miR-30c as well as increased expression of stem cells markers (OCT4, SOX2, c-MYC) and EMT-related genes (SNAIL1, CDH2, TWIST1/2) was observed in mammospheres, similarly as in case of BC tissues of grade I/II patients [56].