STAT1 and graft versus host disease: To this end, we induced GVHD in the fully MHC-mismatched BALB/c (H2d) to 129 (H2b) strain combination by injecting 5 × 106 BALB/c T cell–depleted (TCD) BM cells (BMCs) plus 1 × 107 splenocytes (SPCs) into lethally irradiated 129.Stat1+/+ or 129.Stat1–/– mice.