PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21156789-0 2011 Ursolic acid, a pentacyclin triterpene, potentiates TRAIL-induced apoptosis through p53-independent up-regulation of death receptors: evidence for the role of reactive oxygen species and JNK. ursolic acid 0-12 tumor protein p53 Homo sapiens 84-87 21156789-9 2011 Induction of DRs was independent of p53 because UA induced DR4 and DR5 in HCT116 p53(-/-) cells. ursolic acid 48-50 tumor protein p53 Homo sapiens 81-84