Sandhoff disease

Summary
Synonym
  • Sandhoff Jatzkewitz disease
Definition
A GM2 gangliosidosis that is characterized by an accumulation of GM2 gangliosides, particularly in neurons, and that has_material_basis_in mutation in the beta subunit of hexosaminidase (HEXB) on chromosome 5q13.
Super Class
GM2 gangliosidosis
Disease Ontology
DOID:3323
Mondo Disease Ontology
MeSH
UMLS
NCI Thesaurus
GARD
MGI genotype (from TogoID)
WikiPathways (from TogoID)
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
15212 Hexb hexosaminidase B
Related Glycoprotein
The Human Phenotype Ontology
Displaying entries 21 - 30 of 77 in total
HPO ID HPO Term
HP:0002069 Bilateral tonic-clonic seizure
HP:0002120 Cerebral cortical atrophy
HP:0002267 Exaggerated startle response
HP:0002376 Developmental regression
HP:0003429 CNS hypomyelination
HP:0004481 Progressive macrocephaly
HP:0007083 Hyperactive patellar reflex
HP:0009062 Infantile axial hypotonia
HP:0010729 Cherry red spot of the macula
HP:0010780 Hyperacusis
Displaying 1 entry
Gene ID Gene Symbol Description
3074 HEXB hexosaminidase subunit beta

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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

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


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Last updated: December 8, 2025