raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:420573

EBV-induced lymphoproliferative disease due to CTPS1 deficiency

Synonyms: EBV-induced lymphoproliferative disease due to CTP synthase 1 deficiency

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

A rare primary immunodeficiency disorder due to impaired capacity of activated T- and B-cells to proliferate in response to antigen receptor-mediated activation characterized by early-onset, severe, persistent and/or recurrent viral infections due to Epstein-Barr virus (EBV) and Varicella Zoster virus (VZV, including generalized varicella), as well as recurrent sino-pulmonary bacterial infections due to encapsulated pathogens.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enEBV-induced lymphoproliferative disease due to CTPS1 deficiencyEBV-induced lymphoproliferative disease due to CTP synthase 1 deficiency
frMaladie lymphoproliférative associée à l'EBV par déficit en CTPS1Maladie lymphoproliférative associée au virus Epstein-Barr par déficit en protéine CTP synthase 1
deEBV-induzierte lymphoproliferative Krankheit durch CTPS1-MangelEBV-induzierte lymphoproliferative Krankheit durch CTP-Synthase-1-Defizienz
esEnfermedad linfoproliferativa inducida por EBV por deficiencia de CTPS1Enfermedad linfoproliferativa inducida por EBV por deficiencia de CTP sintasa 1
itMalattia linfoproliferativa indotta da EBV da deficit di CTPS1Malattia linfoproliferativa indotta da EBV da deficit di CTP sintasi 1
nlEBV-geïnduceerde lymfoproliferatieve ziekte door CTPS1-deficiëntieEBV-geïnduceerde lymfoproliferatieve ziekte door deficiëntie van CTP-synthase 1
ptImunodeficiência combinada grave por deficiência de CTPS1SCID por deficiência de CTPS1
plCieżki złożony Niedobór odporności z powodu niedoboru CTPS1SCID z powodu niedoboru CTPS1
csTěžký kombinovaný imunodeficit způsobený deficitem CTPS1SCID způsobená deficitem CTPS1
ukТяжкий комбінований імунодефіцит, зумовлений дефіцитом CTPS1ТКІД внаслідок дефіциту CTPS1
zhCTPS1缺陷导致的重症联合免疫缺陷CTPS1缺乏导致的SCID
trCTPS1 eksikliğine bağlı ağır kombine immün yetmezlikCTPS1 eksikliğine bağlı SCID

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM615897Evalidated
ICD-10D81.2NTBTattributedvalidated
MONDO0014391Evalidated
UMLSC4706524Evalidated

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 (2):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CTPS1Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:2519ENSG000001717931238601p34.2CTP synthase 124870241[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families12 casesWorldwideCase(s)Validated29942301[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_29942301[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

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

7

Sources for this card