title: Methylation of mammalian DNA: studies on Novikoff hepatoma cells in tissue culture.
mesh_terms: D000818:Animals; D006528:Carcinoma, Hepatocellular / Q000378:metabolism; D002460:Cell Line; D046508:Culture Techniques; D003597:Cytosine Nucleotides / Q000378:metabolism; D004247:DNA / Q000378:metabolism*; D008113:Liver Neoplasms; D008715:Methionine / Q000378:metabolism; D008727:Methotrexate / Q000494:pharmacology; D008745:Methylation; D009374:Neoplasms, Experimental / Q000378:metabolism*; D011687:Purines / Q000378:metabolism; D011743:Pyrimidines / Q000378:metabolism; D051381:Rats; D013941:Thymine / Q000378:metabolism
chemical_list: D003597:Cytosine Nucleotides; D011687:Purines; D011743:Pyrimidines; D004247:DNA; D008715:Methionine; D013941:Thymine; D008727:Methotrexate