GM2 gangliosidosis, AB variant

Summary
Synonym
  • Tay-Sachs disease AB variant
  • Tay-Sachs disease, variant AB
Definition
A GM2 gangliosidosis that is characterized by normal hexosaminidase A (HEXA) and hexosaminidase B (HEXB) but the inability to form a functional GM2 activator complex.
Super Class
GM2 gangliosidosis
External Links
Disease Ontology
DOID:4795
Mondo Disease Ontology
MeSH
UMLS
NCI Thesaurus
OMIM
MGI genotype (from TogoID)
WikiPathways (from TogoID)
Related Genes
Displaying all 4 entries
Gene ID Gene Symbol Description Source
2760 GM2A ganglioside GM2 activator
3073 HEXA hexosaminidase subunit alpha
3074 HEXB hexosaminidase subunit beta
10724 OGA O-GlcNAcase
Displaying 1 entry
Gene ID Gene Symbol Description Source
14667 Gm2a GM2 ganglioside activator protein
The Human Phenotype Ontology
Displaying entries 11 - 20 of 38 in total
HPO ID HPO Term
HP:0002478 Progressive spastic quadriplegia
HP:0000719 Inappropriate behavior
HP:0008897 Postnatal growth retardation
HP:0002200 Pseudobulbar signs
HP:0012547 Abnormal involuntary eye movements
HP:0001347 Hyperreflexia
HP:0002476 Primitive reflex
HP:0100852 Abnormal fear-induced behavior
HP:0002072 Chorea
HP:0004322 Short stature
Displaying 1 entry
Gene ID Gene Symbol Description
2760 GM2A ganglioside GM2 activator

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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: August 19, 2024