title: Regeneration of tetrahydrohomofolate in cells. Possible basis for antitumor activity of homofolates.
mesh_terms: D000818:Animals; D001692:Biological Transport; D002279:Carcinoma 256, Walker / Q000378:metabolism*; D005493:Folic Acid Antagonists / Q000378:metabolism*; D007939:Leukemia L1210 / Q000378:metabolism*; D008099:Liver / Q000378:metabolism; D051379:Mice; D010084:Oxidation-Reduction; D051381:Rats; D013154:Spleen / Q000378:metabolism; D013763:Tetrahydrofolates / Q000378:metabolism*; D013997:Time Factors
chemical_list: D005493:Folic Acid Antagonists; D013763:Tetrahydrofolates