title: Increased thymidylate synthetase activity in 5-fluorodeoxyuridine-resistant Novikoff hepatoma cells.
mesh_terms: D000251:Adenosine Triphosphatases / Q000378:metabolism; D006528:Carcinoma, Hepatocellular / Q000201:enzymology*; D002460:Cell Line; D004351:Drug Resistance; D005467:Floxuridine / Q000494:pharmacology*; D008113:Liver Neoplasms; D008780:Methyltransferases / Q000378:metabolism*; D009374:Neoplasms, Experimental / Q000201:enzymology; D009708:Nucleotidases / Q000378:metabolism; D013937:Thymidine Kinase / Q000172:deficiency; D013940:Thymidylate Synthase / Q000037:antagonists & inhibitors / Q000378:metabolism*
chemical_list: D005467:Floxuridine; D008780:Methyltransferases; D013940:Thymidylate Synthase; D013937:Thymidine Kinase; D009708:Nucleotidases; D000251:Adenosine Triphosphatases