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
External Links
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 9 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
1727 CYB5R3 cytochrome b5 reductase 3
1738 DLD dihydrolipoamide dehydrogenase
3033 HADH hydroxyacyl-CoA dehydrogenase
4023 LPL lipoprotein lipase
7369 UMOD uromodulin
9254 CACNA2D2 calcium voltage-gated channel auxiliary subunit alpha2delta 2
The Human Phenotype Ontology
Displaying entries 11 - 20 of 48 in total
HPO ID HPO Term
HP:0012758 Neurodevelopmental delay
HP:0001638 Cardiomyopathy
HP:0003128 Lactic acidosis
HP:0000252 Microcephaly
HP:0002013 Vomiting
HP:0007663 Reduced visual acuity
HP:0001254 Lethargy
HP:0012402 Increased urine alpha-ketoglutarate concentration
HP:0001508 Failure to thrive
HP:0002910 Elevated circulating hepatic transaminase concentration
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

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Partly supported by NIH Common Fund Grant #1U01GM125267-01


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Last updated: August 19, 2024