PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33321328-6 2021 E7 expression was restored by 5-Aza-2 deoxycytidine in p53 KO lines, suggesting a role of DNA methylation in this process. Decitabine 30-51 tumor protein p53 Homo sapiens 55-58