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  1. Isolated Methylmalonic Acidemia - GeneReviews® - NCBI Bookshelf 
    https://www.ncbi.nlm.nih.gov/books/NBK1231
    ... propionyl-CoA metabolism in the mitochondrial matrix, without hyperhomocysteinemia or homocystinuria, hypomethioninemia, or variations in other metabolites, ...
  2. MTHFR gene: MedlinePlus Genetics 
    https://medlineplus.gov/genetics/gene/mthfr
    ... have elevated levels of homocysteine in their blood (hyperhomocysteinemia) resulting from the reduced activity of methylenetetrahydrofolate reductase. ...
  3. 2019New_Mesh_Tree_Hierarchy.txt 
    https://www.nlm.nih.gov/.../download/2019New_Mesh_Tree_Hierarchy.txt
    ... 477 Hyperglycinemia, Nonketotic C16.320.565.100.480 Hyperhomocysteinemia C16.320.565.100.480.500 Homocystinuria C16. ... 603.314 Collagenous Sprue C18.452.603.378 Hyperhomocysteinemia C18.452.603.506 Lactose Intolerance C18.452. ...
  4. Disorders of Intracellular Cobalamin Metabolism - GeneReviews® - NCBI Bookshelf 
    https://www.ncbi.nlm.nih.gov/books/NBK1328
    ... methylmalonic aciduria are synonymous, as are the terms hyperhomocysteinemia and homocystinuria. 1. The nomenclature for inherited disorders ... findings that can be seen on PAA analysis: Hyperhomocysteinemia and mixed disulfides (which are also excreted in ...
  5. pdf2017MeshTreesWithChangesShown.pdf 
    https://www.nlm.nih.gov/.../2017MeshTreesWithChangesShown.pdf
    ... Oculocutaneous Hermanski-Pudlak Syndrome Piebaldism Alkaptonuria Hyperglycinemia, Nonketotic Hyperhomocysteinemia Homocystinuria Hyperlysinemias Maple Syrup Urine Disease Multiple Acyl ...
  6. pdf2016MeshTree.pdf 
    https://www.nlm.nih.gov/mesh/2016/download/2016MeshTree.pdf
    ... 477...........................................Hyperglycinemia, Nonketotic C16.320.565.100.480...........................................Hyperhomocysteinemia C16.320.565.100.480.500...........................................Homocystinuria C16. ...
  7. pdf2022NewheadingsbycategorywithScopeNotes.pdf 
    https://www.nlm.nih.gov/...22NewheadingsbycategorywithScopeNotes.pdf
    ... with other syndromes (e.g., PROTEIN C DEFICIENCY; HYPERHOMOCYSTEINEMIA). Livedoid Vasculopathy A rare cutaneous thrombotic disease due ... Subcategory Report for Year (DX)2022 Term Ms HYPERHOMOCYSTEINEMIA). Livedo reticularis with systemic involvement and stroke is ...
  8. Folic Acid 
    https://medlineplus.gov/druginfo/natural/1017.html
    ... folate deficiency) and high blood levels of homocysteine (hyperhomocysteinemia). People who are pregnant or might become pregnant ... deficiency. High levels of homocysteine in the blood (hyperhomocysteinemia). This condition has been linked to heart disease ...
  9. Excluded studies - Parkinson’s disease in adults: diagnosis and management - NCBI Bookshelf 
    https://www.ncbi.nlm.nih.gov/books/NBK535861
    ... E., 20060719, Vitamins and entacapone in levodopa-induced hyperhomocysteinemia: a randomized controlled study, Neurology, 66, 1941–1943, ... the protective effect of vitamins on levodopa induced hyperhomocysteinemia Saint-Hilaire, M., Carbohydrate-protein ratio of 7: ...
  10. Homocystinuria 
    https://medlineplus.gov/ency/article/001199.htm
    Schiff M, Blom HJ. Homocystinuria and hyperhomocysteinemia. In: Goldman L, Cooney KA, eds. Goldman-Cecil Medicine . 27th ed. Philadelphia, PA: Elsevier; 2024:chap 193. Shchelochkov OA, Venditti CP. Methionine./ ...
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