PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15833387-0 2005 Liriodenine inhibits the proliferation of human hepatoma cell lines by blocking cell cycle progression and nitric oxide-mediated activation of p53 expression. Nitric Oxide 107-119 tumor protein p53 Homo sapiens 143-146