(A) Periodic acid-Schiff (PAS) stain of distal ileum sections harvested from mice treated for 5 days with vehicle, dexamethasone (1mg/kg, 5mg/kg, or 15mg/kg), 150mg/kg PF-03084014, or dexamethasone plus PF-03084014. (B) Hematoxylin and eosin (H&E) stain of spleens and thymii harvested from mice in (A). Scale bars represent 50µm (intestines) or 400µm (spleen, thymus).