raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:101028

Transaldolase deficiency

Synonyms: TALDO deficiency

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Antenatal, Infancy, Neonatal
Status
active

Transaldolase deficiency is an inborn error of the pentose phosphate pathway that presents in the neonatal or antenatal period with hydrops fetalis, hepatosplenomegaly, hepatic dysfunction, thrombocytopenia, anemia, and renal and cardiac abnormalities.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enTransaldolase deficiencyTALDO deficiency
frDéficit en transaldolaseDéficit en TALDO
deTransaldolase-MangelTALDO-Mangel
esDeficiencia de transaldolasaDeficiencia de TALDO
itDeficit di transaldolasiTALDO
nlTransaldolasedeficiëntieTALDO-deficiëntie
ptDeficiência de transaldolase
plNiedobór transaldolazyNiedobór TALDO
csDeficit transaldolázyTALDO
ukДефіцит трансальдолазиДефіцит TALDO
zh转醛醇酶缺乏症转醛醇酶缺缺陷病
trTransaldolaz eksikliğiTALDO eksikliği

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM606003Evalidated
ICD-10E74.8NTBTattributedvalidated
ICD-115C51.0NTBTindexvalidated
MONDO0011624Evalidated
MeSHC563207Evalidated
UMLSC1291329Evalidated
GARD10445Evalidated

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):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
TALDO1Disease-causing germline mutation(s) inAssessedHGNC:11559ENSG0000017715660206311p15.5transaldolase 123315216[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families23 casesWorldwideCase(s)Validated23315216[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_23315216[PMID]

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

18 annotations · validated 2016-12-22
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0010903Abnormality of glutamine metabolism
HP:0001903Anemia
HP:0001394Cirrhosis
HP:0001433Hepatosplenomegaly
HP:0012202Increased serum bile acid concentration
HP:0001873Thrombocytopenia
Frequent (79-30%)
HP:0001999Abnormal facial shape
HP:0000056Abnormality of the clitoris
HP:0000077Abnormality of the kidney
HP:0000969Edema
HP:0001789Hydrops fetalis
HP:0100678Premature skin wrinkling
HP:0001009Telangiectasia
Occasional (29-5%)
HP:0002795Abnormal respiratory system physiology
HP:0001631Atrial septal defect
HP:0200128Biventricular hypertrophy
HP:0001680Coarctation of aorta
HP:0001263Global developmental delay

Run the differential on the 6 obligate / very frequent terms

Annotation source: 11283793[PMID]_23315216[PMID]

7

Sources for this card