raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:619941

Congenital neutropenia-combined immunodeficiency due to MKL1 deficiency

Synonyms: Congenital neutropenia-CID due to MKL1 deficiency · Congenital neutropenia-combined immunodeficiency due to Megakaryoblastic leukemia 1 deficiency · MKL1-related neutrophil motility defect

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

A rare primary immunodeficieny due to a defect in innate immunity characterized by infantile-onset severe, recurrent bacterial infections. Patients may present with septic shock, meningitis, progressive and severe pneumonia (mostly associated with <i>Pseudomonas</i> infection), malignant otitis media, cutaneous and subcutaneous abscesses and poor wound healing. Severe impairment in neutrophil phagocytosis/migration are reported in all patients. Mild thrombocytopenia can also be present.

1

Names in Orphadata languages

10 of 12 languages
LangNameSynonyms
enCongenital neutropenia-combined immunodeficiency due to MKL1 deficiencyCongenital neutropenia-CID due to MKL1 deficiency · Congenital neutropenia-combined immunodeficiency due to Megakaryoblastic leukemia 1 deficiency · MKL1-related neutrophil motility defect
frNeutropénie congénitale-déficit immunitaire combiné par déficit en MKL1Neutropénie congénitale-CID par déficit en MKL1 · Neutropénie congénitale-DIC par déficit en MKL1 · Neutropénie congénitale-déficit immunitaire combiné par déficit en protéine Megakaryoblastic leukemia 1 · Neutropénie congénitale-immunodéficience combinée par déficit en MKL1
deKongenitale Neutropenie mit kombiniertem Immundefekt durch MKL1-DefizienzMKL1-bedingter Motilitätsdefekt der Neutrophilen · Neutropenie mit kombiniertem Immundefekt infolge MKL1-Defizienz
esNeutropenia congénita-inmunodeficiencia combinada por deficiencia de MKL1Defecto de motilidad de los neutrófilos asociado a MKL1 · Neutropenia congénita-IDC por deficiencia de MKL1 · Neutropenia congénita-inmunodeficiencia combinada por deficiencia de leucemia megacarioblástica 1
itNeutropenia congenita-immunodeficienza combinata da deficit di MKL1Difetto delle motilità dei neutrofili correlato a MKL1 · Difetto delle motilità dei neutrofili correlato a MKL1 · Neutropenia congenita-CID da deficit di MKL1 · Neutropenia congenita-immunodeficienza combinata da deficit della leucemia megacarioblastica 1
nlCongenitale neutropenie - gecombineerde immuundeficiëntie door MKL1-deficiëntieCongenitale neutropenie - CID door MKL1-deficiëntie · Congenitale neutropenie - gecombineerde immuundeficiëntie door Megakaryoblastische leukemie 1-deficiëntie · MKL1-gerelateerde motiliteitsstoornis van neutrofielen
ptNeutropenia congénita-imunodeficiência combinada devido a deficiência MKL1Defeito da motilidade neutrofílica MKL1-relacionada · Neutropenia congénita-CID devido a deficiência MKL1 · Neutropenia congénita-imunodeficiência combinada devido a deficiência Megacarioblástica leucemia 1
plNiedobór odporności skutek upośledzonej fagocytozy i migracji neutrofilów= en
csImunodeficit způsobený poruchou fagocytózy a migrace neutrofilů= en
ukВроджений комбінований імунодефіцит з нейтропенією, зумовлений дефіцитом MKL1Вроджена нейтропенія-CID внаслідок дефіциту MKL1 · Вроджений комбінований імунодефіцит з нейтропенією внаслідок дефіциту мегакаріобластної лейкемії 1 · Дефект рухливості нейтрофілів, повязаний з MKL1

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM618847Evalidated
ICD-10D71NTBTattributedvalidated
MONDO0850067Evalidated
UMLSC5680413Evalidated

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
MRTFADisease-causing germline mutation(s) inAssessedHGNC:14334ENSG0000019658860607822q13.1-q13.2myocardin related transcription factor A32128589[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families3 casesWorldwideCase(s)Validated32128589[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated32128589[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