FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term methylmalonic acidemia and homocysteinemia cblX type ID (Ontology) DOID:0111814 (Human Disease)
Definition A methylmalonic acidemia characterized by onset in infancy of severely delayed psychomotor development, failure to thrive, intellectual disability, and intractable epilepsy that has_material_basis_in hemizygous or homozygous mutation in the HCFC1 gene on chromosome Xq28.
Also Known As "combined defect in adenosylcobalamin and methylcobalamin synthesis, type cblX" ; "mental retardation, X-linked 3" ; "methylmalonic aciduria with homocystinuria, type cblX"
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 Genes
 methylmalonic acidemia and homocysteinemia cblX type       1
 for disease ribbon | methylmalonic acidemia and homocysteinemia cblX type       1
 model of | methylmalonic acidemia and homocysteinemia cblX type       1
Spanning Tree (Parents/Children)
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X-linked monogenic disease
 |__X-linked recessive disease__
organic acidemia                |
 |__methylmalonic acidemia______|
                                methylmalonic acidemia and homocysteinemia cblX type  1 rec.
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Is a X-linked recessive disease
methylmalonic acidemia
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Synonyms
  • "combined defect in adenosylcobalamin and methylcobalamin synthesis, type cblX" EXACT
    "mental retardation, X-linked 3" EXACT
    "methylmalonic aciduria with homocystinuria, type cblX" EXACT
Secondary IDs
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MIM:309541
ORDO:369962