title: Polyamines inhibit DNA methylation in vitro.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000201:enzymology; D004248:DNA (Cytosine-5-)-Methyltransferases / Q000037:antagonists & inhibitors*; D007700:Kinetics; D008099:Liver / Q000201:enzymology*; D008780:Methyltransferases / Q000037:antagonists & inhibitors*; D011700:Putrescine / Q000494:pharmacology*; D051381:Rats; D012436:S-Adenosylmethionine / Q000494:pharmacology; D013095:Spermidine / Q000494:pharmacology*; D013096:Spermine / Q000494:pharmacology*
chemical_list: D013096:Spermine; D012436:S-Adenosylmethionine; D008780:Methyltransferases; D004248:DNA (Cytosine-5-)-Methyltransferases; D013095:Spermidine; D011700:Putrescine