NIK deficiency
ORPHA:447731· ICD-10 D81.8
Definition
A rare, genetic, primary combined T and B cell immunodeficiency characterized by recurrent, severe viral and bacterial infections. Immunologic findings include decreased immunoglobulin levels, decreased numbers of B and NK cells, reduced relative CD19+ B cells in peripheral blood, impaired memory responses to viral infections and defective antigen-specific T-cell proliferation.
- Prevalence
- <1 / 1 000 000
- Inheritance
- Autosomal recessive
- Age of onset
- Infancy, Neonatal