Dysgammaglobulinemia is related to selective ige deficiency disease and lymphoproliferative syndrome 1. An important gene associated with Dysgammaglobulinemia is SH2D1A (SH2 Domain Containing 1A), and among its related pathways/superpathways are Innate Immune System and Class I MHC mediated antigen processing and presentation. Affiliated tissues include small intestine and t cells, and related phenotypes are normal and cellular