raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:250977

AICA-ribosiduria

Synonyms: 5-amino-4-imidazole carboxamide ribosiduria · AICA-ribosiduria due to ATIC deficiency · AICAR transformylase/IMP cyclohydrolase deficiency · ATIC deficiency

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

A rare and severe inborn metabolic disease characterized clinically by the association of severe-to-profound neurodevelopmental impairment, severe visual impairment, ante-postnatal growth impairment, severe scoliosis and, frequently, early-onset epilepsy.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAICA-ribosiduria5-amino-4-imidazole carboxamide ribosiduria · AICA-ribosiduria due to ATIC deficiency · AICAR transformylase/IMP cyclohydrolase deficiency · ATIC deficiency
frAICA-ribosidurie5-amino-4-imidazole carboxamide ribosidurie · AICA-ribosidurie par déficit en ATIC · Déficit en AICAR transformylase / IMP cyclohydrolase · Déficit en ATIC
deAICA-Ribosidurie5-Amino-4-Imidazolcarboxamid-Ribosidurie · AICA-Ribosidurie durch ATIC-Mangel · AICAR-Transformylase und IMP-Zyklohydrolase-Mangel · ATIC-Defizienz · ATIC-Mangel
esAICA ribosiduria5-amino-4-imidazolcarboxamida ribosiduria · AICA ribosiduria por deficiencia de ATIC · Deficiencia de AICAR transformilasa/IMP ciclohidrolasa · Deficiencia de ATIC
itAICA-ribosiduria5-amino-4-imidazol-carbossamide ribosiduria · Deficit di ATIC
nlAICA-ribosidurie5-amino-4-imidazolcarboxamideribosidurie · AICA-ribosidurie door ATIC-deficiëntie · ATIC-deficiëntie · Deficiëntie van AICAR-transformylase/IMP-cyclohydrolase
ptRibosiduria-AICADeficiência de ATIC · Ribosiduria 5-amino-4-imidazolecarboxamida
plAICA-ribosiduria5-amino-4-imidazole carboxamide ribosiduria · Niedobór ATIC
csAICA-ribosidurie5-amino-4-imidazol karboxiamidová ribosidurie · Decifit ATIC
ukAICA-рибозидурія5-аміно-4-імідазол-карбоксамідна рибозидурія · Дефіцит трансферилази AICAR/циклогідролази IMP · AICA-рибозидурія внаслідок дефіциту ATIC · Дефіцит ATIC
zh4-氨基咪唑-5-羧酰胺核糖尿4-氨基咪唑-5-羧酰胺核糖尿
trAICA-ribosidüriATIC eksikliği · 5-amino-4-imidazol karboksamid ribosidüri

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM608688Evalidated
ICD-10E79.8NTBTattributedvalidated
ICD-115C55.0YNTBTindexvalidated
MONDO0012099Evalidated
MeSHC563876Evalidated
UMLSC1837530Evalidated

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 (4):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
ATICDisease-causing germline mutation(s) inAssessedHGNC:794ENSG000001383636017312q355-aminoimidazole-4-carboxamide ribonucleotide formyltransferase/IMP cyclohydrolase15114530[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families4 casesWorldwideCase(s)Validated15114530[PMID]_32557644[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_15114530[PMID]_32557644[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

10 annotations · validated 2017-01-26
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000248Brachycephaly
HP:0008665Clitoral hypertrophy
HP:0007875Congenital blindness
HP:0000063Fused labia minora
HP:0010864Intellectual disability, severe
HP:0000369Low-set ears
HP:0011220Prominent forehead
HP:0001250Seizure
HP:0000219Thin upper lip vermilion
HP:0000154Wide mouth

Run the differential on the 10 obligate / very frequent terms

Annotation source: 15114530[PMID]

7

Sources for this card