Severe Combined Immunodeficiency with Sensitivity to Ionizing Radiation, also known as severe combined immunodeficiency due to dclre1c deficiency, is related to lymphopenia and ataxia-telangiectasia, and has symptoms including diarrhea An important gene associated with Severe Combined Immunodeficiency with Sensitivity to Ionizing Radiation is DCLRE1C (DNA Cross-Link Repair 1C), and among its related pathways/superpathways are Innate Immune System and Homology Directed Repair. Affiliated tissues include t cells and lymph node, and related phenotypes are verrucae and decreased circulating iga level