PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24460329-0 2013 MiR-21 upregulation induced by promoter zone histone acetylation is associated with chemoresistance to gemcitabine and enhanced malignancy of pancreatic cancer cells. gemcitabine 103-114 microRNA 21 Homo sapiens 0-6 24460329-1 2013 BACKGROUND AND AIMS: MicroRNA-21 (miR-21) is reported to be overexpressed and to contribute to proliferation, apoptosis and gemcitabine resistance in pancreatic ductal adenocarcinomas (PDACs). gemcitabine 124-135 microRNA 21 Homo sapiens 21-32 24460329-1 2013 BACKGROUND AND AIMS: MicroRNA-21 (miR-21) is reported to be overexpressed and to contribute to proliferation, apoptosis and gemcitabine resistance in pancreatic ductal adenocarcinomas (PDACs). gemcitabine 124-135 microRNA 21 Homo sapiens 34-40 24460329-4 2013 Histone acetylation in the miR-21 promoter was also studied in gemcitabine-sensitive and gemcitabine-resistant PDAC cells. gemcitabine 63-74 microRNA 21 Homo sapiens 27-33 24460329-5 2013 Gemcitabine-resistant HPAC and PANC-1 cells were transfected with pre-miR-21 precursors (pre-miR-21) and antisense oligonucleotides (anti-miR-21), and were treated with TSA. gemcitabine 0-11 microRNA 21 Homo sapiens 70-76 24460329-5 2013 Gemcitabine-resistant HPAC and PANC-1 cells were transfected with pre-miR-21 precursors (pre-miR-21) and antisense oligonucleotides (anti-miR-21), and were treated with TSA. gemcitabine 0-11 microRNA 21 Homo sapiens 93-99 24460329-5 2013 Gemcitabine-resistant HPAC and PANC-1 cells were transfected with pre-miR-21 precursors (pre-miR-21) and antisense oligonucleotides (anti-miR-21), and were treated with TSA. gemcitabine 0-11 microRNA 21 Homo sapiens 93-99 24460329-7 2013 RESULTS: Serum miR-21 levels were increased in gemcitabine- resistant PDAC patients compared with gemcitabine-sensitive subjects. gemcitabine 47-58 microRNA 21 Homo sapiens 15-21 24460329-7 2013 RESULTS: Serum miR-21 levels were increased in gemcitabine- resistant PDAC patients compared with gemcitabine-sensitive subjects. gemcitabine 98-109 microRNA 21 Homo sapiens 15-21 24460329-8 2013 The miR-21 levels were increased in 6 PDAC cells treated with gemcitabine significantly, associated with 50% inhibitory concentrations (IC50s). gemcitabine 62-73 microRNA 21 Homo sapiens 4-10 24460329-9 2013 Histone acetylation levels at miR-21 promoter were increased in PDAC cells after treatment with gemcitabine. gemcitabine 96-107 microRNA 21 Homo sapiens 30-36 24460329-10 2013 Enhanced invasion and metastasis, increased miR-21 expression, decreased PTEN, elevated pAKT level were demonstrated in gemcitabine-resistant HPAC and PANC-1 cells. gemcitabine 120-131 microRNA 21 Homo sapiens 44-50 24460329-12 2013 In contrast, anti-miR-21 transfection could reverse invasion and metastasis, and PTEN and pAKT expressions induced by gemcitabine. gemcitabine 118-129 microRNA 21 Homo sapiens 18-24 24460329-13 2013 CONCLUSIONS: MiR-21 upregulation induced by histone acetylation in the promoter zone is associated with chemoresistance to gemcitabine and enhanced malignant potential in pancreatic cancer cells. gemcitabine 123-134 microRNA 21 Homo sapiens 13-19