obsolete interleukin-7 receptor alpha deficiency true DOID:0060015 disease_ontology A severe combined immunodeficiency that results from defective IL7R expression causes T-B+NK+ SCID. Loss of IL-7R function leads to the loss of an antiapoptotic signal, resulting in a loss of T-cell selection in thymus. Duplicate term. Use 'term replaced by' instead. [JAB] IL-7R severe combined immunodeficiency 104