Autoimmune Disease, Multisystem, Infantile-Onset, 1, also known as stat3-related early-onset multisystem autoimmune disease, is related to autoimmune disease, multisystem, infantile-onset, 2 and autoimmune disease, multisystem, infantile-onset, 3. An important gene associated with Autoimmune Disease, Multisystem, Infantile-Onset, 1 is STAT3 (Signal Transducer And Activator Of Transcription 3). Affiliated tissues include t cells and b cells, and related phenotypes are autoimmune hemolytic anemia and type i diabetes mellitus