PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15846088-5 2005 The cell line that showed greatest reduction (85-90%) of p53 expression showed decreased p21 promoter activation after DNA damage with camptothecin, etoposide and MMS. Camptothecin 135-147 tumor protein p53 Homo sapiens 57-60