PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17893520-7 2007 Additionally, the nontargeted counterpart of TVT-DOX, Caelyx, was less cytotoxic to the CD13-positive HUVECs demonstrating the advantages of NGR targeting in vitro. liposomal doxorubicin 54-60 reticulon 4 receptor Homo sapiens 141-144