PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33039867-10 2021 Phosphor-p53, a downstream molecule of ATM signaling, and p21, a direct target of p53, were upregulated in NaAsO2-exposed DU145 cells. sodium arsenite 107-113 H3 histone pseudogene 16 Homo sapiens 58-61 33039867-11 2021 Unexpectedly, p21 was also elevated in NaAsO2-exposed p53-null PC-3 cells. sodium arsenite 39-45 H3 histone pseudogene 16 Homo sapiens 14-17