PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22246241-10 2012 Sodium butyrate (NaB) induced demethylation and histone modification at the promoter region of SFRP1/2 restoring the SFRP expression in human gastric cancer cells. nab 17-20 secreted frizzled related protein 1 Homo sapiens 107-114