Type 1 Diabetes Mellitus 21, also known as diabetes mellitus, insulin-dependent, 21, is related to aneruptive fever and dermatitis, atopic, 5. An important gene associated with Type 1 Diabetes Mellitus 21 is TAGAP (T Cell Activation RhoGTPase Activating Protein), and among its related pathways/superpathways are Innate Immune System and Cytokine Signaling in Immune system. Related phenotypes are Increased shRNA abundance (Z-score > 2) and homeostasis/metabolism