raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:653751

X-linked combined immunodeficiency due to SASH3 deficiency

Synonyms: X-linked CID due to SASH3 deficiency

Type
Disease
Group
Disorder
Inheritance
X-linked recessive
Age of onset
Adolescent, Adult, Childhood
Status
active

A rare non-severe combined immunodeficiency characterized by recurrent sinopulmonary/pulmonary, skin/soft tissue infections, warts and sepsis. Additional clinical features may include meningitis, dental abscesses, septic arthritis, progressive multifocal leukoencephalopathy, episodic bradycardia, bronchiectasis, granulomatous nodules, hypothyroidism, hypophosphatemia, enteropathy, nodular regenerative hyperplasia/hepatomegaly, liver granulomas, granulomatous skin lesions and aphthous ulcers. Infections could be bacterial, viral or fungal. Affected individuals present with refractory autoimmune cytopenias, hemolytic anemia, thrombocytopenia, lymphopenia, and decreased natural killer cells.

1

Names in Orphadata languages

10 of 12 languages
LangNameSynonyms
enX-linked combined immunodeficiency due to SASH3 deficiencyX-linked CID due to SASH3 deficiency
frDéficit immunitaire combiné lié à l'X par déficit en SASH3DIC lié à l'X par déficit en SASH3
deImmundefekt, kombinierter, X-chromosomaler, durch SASH3-MangelKombinierter Immundefekt durch SASH3-Defizienz
esInmunodeficiencia combinada ligada al cromosoma X por deficiencia de SASH3IDC ligado al X por deficiencia de SASH3
itImmunodeficienza combinata legata all’X da deficit di SASH3CID legata all’X da deficit di SASH3
nlX-gebonden gecombineerde immuundeficiëntie door SASH3-deficiëntieX-gebonden CID door SASH3-deficiëntie
ptImunodeficiência combinada ligada ao X por deficiência SASH3CID ligado ao X por deficiência SASH3
plZłożony niedobór odporności sprzężony z chromosomem X spowodowany niedoborem SASH3= en
csX-vázaná kombinovaná imunodeficience způsobená deficitem SASH3= en
ukХ-зчеплений комбінований імунодефіцит, зумовлений дефіцитом SASH3Х-зчеплений КІД через дефіцит SASH3

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM301082Evalidated
ICD-10D81.8NTBTattributedvalidated
MONDO0024781Evalidated
MONDO24781Evalidated
UMLSC5925116Evalidated

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
SASH3Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:15975ENSG00000122122300441Xq26.1SAM and SH3 domain containing 333876203[PMID]_35464398[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families5 casesWorldwideCase(s)Validated33876203[PMID]_35464398[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated33876203[PMID]_35464398[PMID]_ORPHANET

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