maple syrup urine disease

Summary
Synonym
  • Ketoacidaemia
  • branched chain ketoaciduria
Definition
An organic acidemia that is caused by a deficiency of decarboxylase leading to high concentrations of valine, leucine, isoleucine, and alloisoleucine in the blood, urine, and cerebrospinal fluid and characterized by an odor of maple syrup to the urine, vomiting, hypertonicity, severe mental retardation, seizures, and eventually death unless the condition is treated with dietary measures.
Super Class
organic acidemia
Disease Ontology
DOID:9269
Mondo Disease Ontology
MeSH
UMLS
NCI Thesaurus
ORDO
OMIM
GARD
MGI genotype (from TogoID)
WikiPathways (from TogoID)
Related Genes
Displaying all 4 entries
Gene ID Gene Symbol Description Source
593 BCKDHA branched chain keto acid dehydrogenase E1 subunit alpha
594 BCKDHB branched chain keto acid dehydrogenase E1 subunit beta
1629 DBT dihydrolipoamide branched chain transacylase E2
1738 DLD dihydrolipoamide dehydrogenase
Displaying all 2 entries
Gene ID Gene Symbol Description Source
12036 Bcat2 branched chain aminotransferase 2, mitochondrial
13382 Dld dihydrolipoamide dehydrogenase
Displaying all 2 entries
Gene ID Gene Symbol Description Source
25244 Bckdha branched chain keto acid dehydrogenase E1 subunit alpha
298942 Dld dihydrolipoamide dehydrogenase
The Human Phenotype Ontology
Displaying entries 1 - 10 of 48 in total
HPO ID HPO Term
HP:0002480 Hepatic encephalopathy
HP:0001399 Hepatic failure
HP:0011968 Feeding difficulties
HP:0001251 Ataxia
HP:0003394 Muscle spasm
HP:0001987 Hyperammonemia
HP:0000708 Atypical behavior
HP:0002151 Increased circulating lactate concentration
HP:0008344 Elevated circulating branched chain amino acid concentration
HP:0001257 Spasticity
Displaying all 2 entries
Gene ID Gene Symbol Description
1738 DLD dihydrolipoamide dehydrogenase
593 BCKDHA branched chain keto acid dehydrogenase E1 subunit alpha

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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

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Last updated: December 9, 2024