IL2 and graft versus host disease: While weight loss was not significantly improved at most time points evaluated (Figure 6A), GVHD clinical score was improved in recipients of splenocytes from mice in all DR3-activated treatment groups throughout the initial wave of GVHD (and throughout the entire evaluation period for recipients of T cells from mice in the TL1A-Ig/IL-2 treatment group) (Figure 6B).