- immunodeficiency 49 [DOID:0111979]
A T cell deficiency characterized by T cell lymphopenia, low T-cell receptor excision circles, impaired T-cell proliferative responses, dysmorphic facial features, hypotonia and severe global developmental delay that has_material_basis_in heterozygous mutation in the BCL11B gene on chromosome 14q32.2.
- Y-linked deafness 1 [DOID:0111759]
A Y-linked deafness characterized by male-limited postlingual progressive sensorineural hearing loss of variable severity, with onset in the first to third decades of life.
- immunodeficiency 48 [DOID:0111943]
A T cell deficiency characterized by a selective T cell defect where circulating T cells exclusively express CD4, CD3, and T-cell receptor-alpha/beta and not CD8 on their surfaces that has_material_basis_in homozygous or compound heterozygous mutation in the ZAP70 gene on chromosome 2q11.2.