title: Methyl group deficiency in nerve tissue: a hypothesis to explain the lesion of subacute combined degeneration.
mesh_terms: D013766:5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase / Q000037:antagonists & inhibitors*; D000818:Animals; D002521:Cercopithecus; D004195:Disease Models, Animal; D005492:Folic Acid; D000882:Haplorhini; D008252:Macaca fascicularis; D008745:Methylation; D008780:Methyltransferases / Q000037:antagonists & inhibitors*; D009417:Nerve Tissue / Q000378:metabolism*; D009609:Nitrous Oxide / Q000494:pharmacology*; D010523:Peripheral Nervous System Diseases / Q000209:etiology*; D013118:Spinal Cord Diseases / Q000209:etiology*; D014806:Vitamin B 12 Deficiency / Q000150:complications
chemical_list: D005492:Folic Acid; D008780:Methyltransferases; D013766:5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; D009609:Nitrous Oxide