Immunodeficiency, Common Variable, 12, with Autoimmunity, is also known as immunodeficiency, common variable, 12. An important gene associated with Immunodeficiency, Common Variable, 12, with Autoimmunity is NFKB1 (Nuclear Factor Kappa B Subunit 1). Affiliated tissues include nk cells and b cells, and related phenotypes are combined immunodeficiency and recurrent pneumonia