PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23527297-7 2013 Furthermore, the enhanced therapeutic efficacy of PPG could be correlated with effective silencing of miR-21 and with increased accumulation of ADR in drug-resistant tumor cells. ppg 50-53 microRNA 21 Homo sapiens 102-108