raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:169090

Combined immunodeficiency due to CRAC channel dysfunction

Synonyms: Immune dysfunction due to T-cell inactivation due to calcium entry defect

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

Combined immunodeficiency (CID) due to Ca2+ release activated Ca2+(CRAC) channel dysfunction is a form of CID characterized by recurrent infections, autoimmunity, congenital myopathy and ectodermal dysplasia. It comprises two sub-types that are due to mutations in the <i>ORAI1</i> and <i>STIM1</i> genes: CID due to <i>ORAI1</i> deficiency and CID due to <i>STIM1</i> deficiency.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCombined immunodeficiency due to CRAC channel dysfunctionImmune dysfunction due to T-cell inactivation due to calcium entry defect
frDéficit immunitaire combiné par dysfonctionnement du canal CRAC
deImmundefekt, kombinierter, durch Defekt des CRAC-KanalsImmundefekt durch T-Zell-Inaktivierung mit Dysfunktion des Kalziumkanals
esInmunodeficiencia combinada por disfunción en el canal CRACDisfunción inmunitaria por la inactivación de células T por un defecto de la entrada de calcio
itImmunodeficienza combinata da disfunzione del canale CRACDisfunzione immunitaria dovuta a inattivazione dei linfociti T da difetto di ingestione del calcio
nlGecombineerde immuundeficiëntie door CRAC-kanaaldisfunctieImmuundisfunctie door T-celinactivatie door calciuminstroomdefect
ptImunodeficiência combinada por anomalia do canal CRAC
plZłożony Niedobór odporności z powodu dysfunkcji kanałów CRACDysfunkcja odporności z powodu inaktywacji komórek T spowodowanych defektem wejścia wapnia
csKombinovaná imunodeficience způsobená dysfunkcí CRAC kanáluDysfunkce imunity způsobená inaktivací T-buněk poruchou vápníkového vstupu
ukКомбінований імунодефіцит внаслідок дисфункції CRAC-каналуІмунна дисфункція через інактивацію Т-клітин внаслідок дефекту входу кальцію
zhCRAC通道功能障碍所致联合免疫缺陷钙通道缺陷导致T细胞失活所致免疫功能障碍
trCRAC kanal disfonksiyonuna bağlı kombine immün yetmezlikKalsiyum giriş defektine bağlı T hücre inaktivasyonuna bağlı immün disfonksiyon

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM612782BTNTvalidated
OMIM612783BTNTvalidated
ICD-10D81.8NTBTattributedvalidated
ICD-114A01.1YNTBTindexvalidated
MONDO0015695Evalidated
UMLSC4303571Evalidated

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):

Children (2):

4

Genes

0 direct · 2 via subtypes

Orphanet records no gene directly on this code.

Recorded by Orphanet on subtypes of this disorder:

GeneSubtypeAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
ORAI1ORPHA:317428Combined immunodeficiency due to ORAI1 deficiencyDisease-causing germline mutation(s) inAssessedHGNC:25896ENSG0000027604561027712q24.31ORAI calcium release-activated calcium modulator 1
STIM1ORPHA:317430Combined immunodeficiency due to STIM1 deficiencyDisease-causing germline mutation(s) inAssessedHGNC:11386ENSG0000016732360592111p15.4stromal interaction molecule 1
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families10 casesWorldwideCase(s)Validated[EXPERT]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

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

23 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000705Amelogenesis imperfecta
HP:0002960Autoimmunity
HP:0000389Chronic otitis media
HP:0001945Fever
HP:0011084Hypocalcification of dental enamel
HP:0007676Hypoplasia of the iris
HP:0001252Hypotonia
HP:0002721Immunodeficiency
HP:0001287Meningitis
HP:0003198Myopathy
HP:0002090Pneumonia
HP:0002718Recurrent bacterial infections
HP:0002841Recurrent fungal infections
HP:0011274Recurrent mycobacterial infections
HP:0004429Recurrent viral infections
HP:0100806Sepsis
Frequent (79-30%)
HP:0000970Anhidrosis
HP:0002240Hepatomegaly
HP:0002716Lymphadenopathy
HP:0001744Splenomegaly
Occasional (29-5%)
HP:0001878Hemolytic anemia
HP:0002664Neoplasm
HP:0001873Thrombocytopenia

Run the differential on the 12 obligate / very frequent terms

7

Sources for this card