PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33598946-9 2021 miR-21 suppression dramatically downregulated P-gp expression and activity in DOX-resistance cells and abolished MDR by an increment of intracellular accumulation of DOX in PC3/DOX cells (p < 0.05). Doxorubicin 78-81 ATP binding cassette subfamily B member 1 Homo sapiens 46-50