Term Name:	X-linked severe combined immunodeficiency
Synonyms:	gamma chain deficiency, SCID-X1, thymic epithelial hypoplasia, XSCID
Definition:	A severe combined immunodeficiency that is a X-linked SCID that has_material_basis_in mutations in genes encoding common gamma chain proteins shared by the interleukin (IL-2,4,7,9,16 and21) receptors resulting in a non-functional gamma chain, defective interleukin signalling, minimal or ascent T- and NK cells and non-functional B-cells.
Ontology:	Human Disease [DOID:0060013]   ( DOID:0060013 )