IL33 and graft versus host disease: These RNA-Seq findings reflected serum cytokine data in GVHD studies in which il33–/– B6 recipients of WT BALB/c T cells displayed reduced IFN-γ compared with WT recipients (Supplemental Figure 4, C and D) and increased IL-10 for il33–/– recipients compared with the il33+/+ recipients (Supplemental Figure 4E).