title: Vitamin-responsive inherited diseases affecting the nervous system.
mesh_terms: D003067:Coenzymes / Q000378:metabolism; D005838:Genotype; D006710:Homocysteine / Q000378:metabolism; D006801:Humans; D008661:Metabolism, Inborn Errors / Q000188:drug therapy / Q000378:metabolism; D008715:Methionine / Q000378:metabolism; D008967:Molecular Biology; D009154:Mutation; D009461:Neurologic Manifestations; D010641:Phenotype; D011736:Pyridoxine / Q000378:metabolism; D014805:Vitamin B 12 / Q000378:metabolism; D014815:Vitamins / Q000378:metabolism / Q000627:therapeutic use*
chemical_list: D003067:Coenzymes; D014815:Vitamins; D006710:Homocysteine; D008715:Methionine; D011736:Pyridoxine; D014805:Vitamin B 12