PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 19026728-7 2009 In vivo, DNA demethylation experiments performed by treating human embryonic kidney (HEK293) cells with 5-Aza-2-deoxycytidine (Aza) revealed that endogenous yy2 expression is more than 3-fold enhanced whereas the mbtps2 level appears unaffected. Azathioprine 106-109 YY2 transcription factor Homo sapiens 157-160