PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21292642-4 2011 We found that prolonged exposure of immortalized p53-knocked down human bronchial epithelial cells (p53(low)HBECs) to low levels of arsenite (NaAsO2, 2.5 muM) caused malignant transformation that was accompanied by epithelial to mesenchymal transition (EMT) and reduction in the levels of miR-200 family members. arsenite 132-140 tumor protein p53 Homo sapiens 49-52 21292642-4 2011 We found that prolonged exposure of immortalized p53-knocked down human bronchial epithelial cells (p53(low)HBECs) to low levels of arsenite (NaAsO2, 2.5 muM) caused malignant transformation that was accompanied by epithelial to mesenchymal transition (EMT) and reduction in the levels of miR-200 family members. arsenite 132-140 tumor protein p53 Homo sapiens 100-103 21292642-6 2011 Moreover, stably expressing miR-200b alone in parental nontransformed p53(low)HBECs was sufficient to completely prevent arsenite exposure from inducing EMT and malignant transformation. arsenite 121-129 tumor protein p53 Homo sapiens 70-73