PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 21504911-6 2011 We find that the effect of maytansinol is p53 dependent in Drosophila cells and human cancer cells, that maytansinol enhances the effect of radiation in both systems, and that the combinatorial effect of drug and radiation is additive. maytansinol 27-38 p53 Drosophila melanogaster 42-45