PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3830877-4 1985 Evidence is presented, in addition, that the induction of rat hepatic O6-methylguanine-DNA methyltransferase activity by the metabolism-requiring hepato-carcinogen 2-acetylaminofluorene increases with age. 2-Acetylaminofluorene 164-185 O-6-methylguanine-DNA methyltransferase Rattus norvegicus 70-108