raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:309192

Tay-Sachs disease, adult form

Synonyms: Beta-hexosaminidase subunit alpha deficiency, adult form · GM2 gangliosidosis, Tay-Sachs variant, adult form · GM2 gangliosidosis, hexosaminidase A deficiency variant, adult form · HEXA disorder, adult form · Late-onset Tay-Sachs disease

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal recessive
Status
active

This disease is described under Tay-Sachs disease

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enTay-Sachs disease, adult formBeta-hexosaminidase subunit alpha deficiency, adult form · GM2 gangliosidosis, Tay-Sachs variant, adult form · GM2 gangliosidosis, hexosaminidase A deficiency variant, adult form · HEXA disorder, adult form · Late-onset Tay-Sachs disease
frMaladie de Tay-Sachs, forme adulteDéficit en sous-unité bêta-hexosaminidase alpha, forme adulte · Gangliosidose à GM2, variant Tay-Sachs, forme adulte · Gangliosidose à GM2, variant déficit en hexosaminidase A, forme adulte · Maladie de Tay-Sachs à apparition tardive
deTay-Sachs-Krankheit, adulte FormAlpha-Untereinheit-Defizienz der Beta-Hexosaminidase, adulte Form · GM2-Gangliosidose, Tay-Sachs-Variante, adulte Form · GM2-Gangliosidose, Variante des Hexosaminidase-A-Mangels, adulte Form · Hexosaminidase A-Mangel, adulte Form · Tay-Sachs-Krankheit, spät einsetzende
esEnfermedad de Tay-Sachs forma adultaGangliosidosis GM2, variante Tay-Sachs, forma adulta · Gangliosidosis GM2, variante deficiencia de hexosaminidasa A, forma adulta · Trastorno HEXA, forma adulta · Deficiencia de la subunidad alfa de la beta-hexosaminidasa, forma adulta · Enfermedad de Tay-Sachs de inicio tardío
itMalattia di Tay-Sachs, forma dell'adultoDeficit di beta-esosaminidasi subunità alfa, forma dell'adulto · GM2-gangliosidosi, variante da deficit di esosaminidasi A, forma dell'adulto · GM2-gangliosidosi, variante di Tay-Sachs, forma dell'adulto · Malattia correlata a HEXA, forma dell'adulto · Malattia di Tay-Sachs ad esordio tardivo
nlZiekte van Tay-Sachs, volwassen vormDeficiëntie van alfa-subeenheid van bèta-hexosaminidase, volwassen vorm · GM2-gangliosidose, Tay-Sachs-variant, volwassen vorm · GM2-gangliosidose, variant met hexosaminidase A-deficiëntie, volwassen vorm · HEXA-stoornis, volwassen vorm · Laat-optredende ziekte van Tay-Sachs
ptDoença Tay-Sachs, no adultoDeficiência da subunidade alfa beta-hexosaminidase, no adulto · Doença HEXA, no adulto · Doença Tay-Sachs de início tardio · Gangliosidose GM2, variante Tay-Sachs, no adulto · Gangliosidose GM2, variante devido a deficiência de hexosaminidade A, no adulto
plChoroba Taya i Sachsa, wariant B, postać dorosłaGangliozydoza GM2, wariant B, postać dorosła · Niedobór heksozoaminidazy A, postać dorosła
csTayova-Sachsova nemoc, B varianta, adultní formaGM2 gangliosidóza, B varianta, adultní forma · Deficit hexosaminidázy A, adultní forma · Tay-Sachsova nemoc, B varianta, adultní forma
ukХвороба Тея-Сакса, доросла формаДефіцит альфа-субодиниці бета-гексозамінідази, доросла форма · GM2 гангліозидоз, варіант дефіциту гексозамінідази А, доросла форма · GM2 гангліозидоз, варіант Тея-Сакса, доросла форма · HEXA-розлад, доросла форма · Хвороба Тея-Сакса з пізнім початком
zhB型成人型泰萨克斯病成人型B型GM2神经节苷脂贮积症
trTay-Sachs hastalığı, B varyantı, yetişkin formuHekzosaminidaz A eksikliği, erişkin formu · GM2 gangliosidoz, B varyantı, erişkin formu
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM272800NTBTvalidated
ICD-10E75.0NTBTattributedvalidated
ICD-115C56.00NTBTindexvalidated
MONDO0017726Evalidated
UMLSC5925032Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

  • ORPHA:845Tay-Sachs disease
    rare inborn errors of metabolism; rare genetic diseases; rare neurological diseases; rare ophthalmic disorders; rare transplant-related disorders

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
HEXADisease-causing germline mutation(s) inAssessedHGNC:4878ENSG0000021361460686915q23hexosaminidase subunit alpha
5

Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card