PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31684723-7 2019 Furthermore, the Gd-HM-Dox/34a exhibited augmented accumulation in tumor tissue, which improved the MRI-contrast of solid tumors and enhanced the combined efficiency of chemotherapeutic drugs Dox and therapeutic gene miR-34a in suppressing tumor growth in MDA-MB-231 tumor-bearing mice. Gadolinium 17-19 microRNA 34a Mus musculus 217-224