FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term homocystinuria-megaloblastic anemia cblE type ID (Ontology) DOID:0112255 (Human Disease)
Definition An amino acid metabolic disorder characterized by failure of cells to incorporate methyltetrahydrofolate into methionine and somewhat variable features that include delayed psychomotor development, hypotonia, megaloblastic anemia, homocystinuria, and hypomethioninemia that has_material_basis_in homozygous or compound heterozygous mutation in the MTRR gene on chromosome 5p15.31.
Also Known As "functional methionine synthase deficiency type cblE" ; "HMAE" ; "homocystinuria-megaloblastic anemia due to defect in cobalamin metabolism cblE complementation type" (for all, see Synonyms field below)
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 Genes
 homocystinuria-megaloblastic anemia cblE type       1
 for disease ribbon | homocystinuria-megaloblastic anemia cblE type       1
 model of | homocystinuria-megaloblastic anemia cblE type       1
Spanning Tree (Parents/Children)
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autosomal genetic disease
 |__autosomal recessive disease____
inherited metabolic disorder       |
 |__amino acid metabolic disorder__|
                                   homocystinuria-megaloblastic anemia cblE type  1 rec.
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Is a autosomal recessive disease
amino acid metabolic disorder
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Synonyms
  • "functional methionine synthase deficiency type cblE" EXACT
    "HMAE" EXACT OMO:0003012
    "homocystinuria-megaloblastic anemia due to defect in cobalamin metabolism cblE complementation type" EXACT
    "methylcobalamin deficiency, cblE type" EXACT
    "vitamin B12-responsive homocystinuria, cblE type" EXACT
Secondary IDs
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MIM:236270
ORDO:2169