Downregulated genes highlighted compared to T-ALL (Table S2A) included: “autoimmune thyroid disease”, “allograft rejection”, “graft versus host disease”, and “type I diabetes mellitus” all at (p≤0e0), together with “JAK-STAT signalling” (p≤3.3e16); and “upregulated by IL-2 in CTCL” (p≤3.0e15). The gene discussed is IL2; the disease is autoimmune thyroid disease.