raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:911

Combined immunodeficiency due to ZAP70 deficiency

Synonyms: Zeta-associated-protein 70 deficiency

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

A very rare, severe, genetic, combined immunodeficiency disorder characterized by lymphocytosis, decreased peripheral CD8+ T-cells, and presence of normal circulating CD4+ T-cells, leading to immune dysfunction.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCombined immunodeficiency due to ZAP70 deficiencyZeta-associated-protein 70 deficiency
frDéficit immunitaire combiné par déficit en ZAP70Déficit en protéine kinase associée à la chaîne zêta
deImmundefekt, kombinierter, durch ZAP70-MangelZAP-70-Mangel · Zetakette-assoziierte Proteinkinase 70-Mangel
esInmunodeficiencia combinada por deficiencia de ZAP70Deficiencia de proteína 70 asociada a zeta
itImmunodeficienza combinata da deficit di ZAP70Deficit della proteina associata alla catena zeta-70
nlGecombineerde immuundeficiëntie door ZAP70-deficiëntieZèta-geassocieerd proteïnekinase 70-deficiëntie
ptImunodeficiência combinada por deficiência de ZAP70Deficiência de proteína cinase 70 associada à cadeia zeta
plZłożony Niedobór odporności z powodu deficytu ZAP70Niedobór białak 70 związanego z łańcuchem zeta
csKombinovaný imunodeficit způsobený deficitem ZAP70Deficit zeta-asociovaného proteinu 70
ukКомбінований імунодефіцит, зумовлений дефіцитом ZAP70Дефіцит бета-асоційованого протеїну 70
zhZAP70缺乏所致联合免疫缺陷ζ-链相关蛋白70缺乏
trZAP70 eksikliğine bağlı kombine immün yetmezlikZeta-ilişkili protein 70 eksikliği

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM269840Evalidated
ICD-10D81.8NTBTattributedvalidated
ICD-114A01.1YNTBTindexvalidated
MONDO0010023Evalidated
MeSHC536722Evalidated
UMLSC2931299Evalidated
GARD387Evalidated

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
ZAP70Disease-causing germline mutation(s) inAssessedHGNC:12858ENSG000001150851769472q11.2zeta chain of T-cell receptor associated protein kinase 7020301777[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

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

30 annotations · validated 2019-04-19
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0031381Decreased lymphocyte proliferation in response to mitogen
HP:0002718Recurrent bacterial infections
HP:0005390Recurrent opportunistic infections
HP:0004429Recurrent viral infections
Frequent (79-30%)
HP:0005422Absence of CD8-positive T cells
HP:0002028Chronic diarrhea
HP:0009098Chronic oral candidiasis
HP:0005415Decreased proportion of CD8-positive T cells
HP:0001508Failure to thrive
HP:0002090Pneumonia
HP:0004798Recurrent infection of the gastrointestinal tract
HP:0200117Recurrent upper and lower respiratory tract infections
Occasional (29-5%)
HP:0002733Abnormality of the lymph nodes
HP:0002728Chronic mucocutaneous candidiasis
HP:0002583Colitis
HP:0001433Hepatosplenomegaly
HP:0001880Increased total eosinophil count
HP:0002840Lymphadenitis
HP:0002716Lymphadenopathy
HP:0100827Lymphocytosis
HP:0000100Nephrotic syndrome
HP:0005406Recurrent bacterial skin infections
HP:0011274Recurrent mycobacterial infections
HP:0000988Skin rash
HP:0010280Stomatitis
HP:0001297Stroke
Very rare (<4-1%)
HP:0001890Autoimmune hemolytic anemia
HP:0001973Autoimmune thrombocytopenia
HP:0002665Lymphoma
HP:0005523Lymphoproliferative disorder

Run the differential on the 4 obligate / very frequent terms

Annotation source: 30778343[PMID]_20301777[PMID]_11412303[PMID]_1333922[PMID]_2511270[PMID]

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Sources for this card