The effect of folate antagonists on dihydrofolate reductase activity demonstrated cytochemically.
D000630:Aminopterin / Q000494:pharmacology; D000818:Animals; D001853:Bone Marrow / Q000201:enzymology; D001854:Bone Marrow Cells; D002478:Cells, Cultured; D004791:Enzyme Inhibitors / Q000627:therapeutic use; D005347:Fibroblasts / Q000201:enzymology; D005493:Folic Acid Antagonists; D006651:Histocytochemistry; D006863:Hydrogen-Ion Concentration; D007274:Injections, Intraperitoneal; D007279:Injections, Subcutaneous; D007962:Leukocytes / Q000201:enzymology; D008727:Methotrexate / Q000008:administration & dosage / Q000494:pharmacology; D051379:Mice; D010226:Parabens / Q000494:pharmacology; D013154:Spleen / Q000201:enzymology; D013762:Tetrahydrofolate Dehydrogenase / Q000378:metabolism*
D004791:Enzyme Inhibitors; D005493:Folic Acid Antagonists; D010226:Parabens; D013762:Tetrahydrofolate Dehydrogenase; D000630:Aminopterin; D008727:Methotrexate