raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:309178

Tay-Sachs disease, infantile form

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

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, infantile formAcute infantile Tay-Sachs disease · Beta-hexosaminidase subunit alpha deficiency, infantile form · GM2 gangliosidosis, Tay-Sachs variant, infantile form · GM2 gangliosidosis, hexosaminidase A deficiency variant, infantile form · HEXA disorder, infantile form
frMaladie de Tay-Sachs, forme infantileDéficit en sous-unité bêta-hexosaminidase alpha, forme infantile · Gangliosidose à GM2, variant Tay-Sachs, forme infantile · Gangliosidose à GM2, variant déficit en hexosaminidase A, forme infantile · Maladie infantile aiguë de Tay-Sachs
deTay-Sachs-Krankheit, infantile FormAkute infantile Tay-Sachs-Krankheit · Alpha-Untereinheit-Defizienz der Beta-Hexosaminidase, infantile Form · GM2-Gangliosidose, Tay-Sachs-Variante, infantile Form · GM2-Gangliosidose, Variante des Hexosaminidase-A-Mangels, infantile Form · Hexosaminidase A-Mangel, infantile Form
esEnfermedad de Tay-Sachs forma infantilGangliosidosis GM2, variante deficiencia de hexosaminidasa A, forma infantil · Trastorno HEXA, forma infantil · Deficiencia de la subunidad alfa de la beta-hexosaminidasa, forma infantil · Enfermedad de Tay-Sachs infantil aguda · Gangliosidosis GM2, variante Tay-Sachs, forma infantil
itMalattia di Tay-Sachs, forma infantileDeficit di beta-esosaminidasi subunità alfa · GM2-gangliosidosi, variante da deficit di esosaminidasi A, forma infantile · GM2-gangliosidosi, variante di Tay-Sachs, forma infantile · Malattia correlata a HEXA, forma infantile · Malattia di Tay-Sachs acuta infantile
nlZiekte van Tay-Sachs, infantiele vormAcute infantiele ziekte van Tay-Sachs · Deficiëntie van alfa-subeenheid van bèta-hexosaminidase, infantiele vorm · GM2-gangliosidose, Tay-Sachs-variant, infantiele vorm · GM2-gangliosidose, variant met hexosaminidase A-deficiëntie, infantiele vorm · HEXA-stoornis, infantiele vorm
ptDoença Tay-Sachs, infantilDeficiência da subunidade alfa beta-hexosaminidase, infantil · Doença HEXA, infantil · Doença Tay-Sachs infantil aguda · Gangliosidose GM2, variante Tay-Sachs, infantil · Gangliosidose GM2, variante devido a deficiência de hexosaminidase A, infantil
plChoroba Taya i Sachsa, wariant B, postać niemowlęcaGangliozydoza GM2, wariant B, postać niemowlęca · Niedobór heksozoaminidazy A, postać niemowlęca
csTayova-Sachsova nemoc, B varianta, infantilní formaGM2 gangliosidóza, B varianta, infantilní forma · Deficit hexosaminidázy A, infantilní forma · Tay-Sachsova nemoc, B varianta, infantilní forma
ukХвороба Тея-Сакса, інфантильна формаГостра дитяча хвороба Тея-Сакса · Дефіцит альфа-субодиниці бета-гексозамінідази, дитяча форма · GM2 гангліозидоз, варіант дефіциту гексозамінідази А, інфантильна форма · GM2 гангліозидоз, варіант Тея-Сакса, інфантильна форма · HEXA-розлад, інфантильна форма
zhB型婴儿型泰萨克斯病婴儿型B型GM2神经节苷脂贮积症
trTay-Sachs hastalığı, B varyantı, infantil formuHekzosaminidaz A eksikliği, infantil form · GM2 gangliosidoz, B varyantı, infantil formu
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM272800NTBTvalidated
ICD-10E75.0NTBTattributedvalidated
ICD-115C56.00NTBTindexvalidated
MONDO0017724Evalidated
UMLSC5925031Evalidated

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