(A) Peripheral blood granulocyte, platelet, and lymphocyte changes in a dog conditioned with 100 cGy TBI before and MMF/CSP after transplantation of DLA-identical littermate marrow (BMT). In addition, the dog was pretreated with donor PBMC and IV CTLA4Ig. (B) Results of testing for microsatellite markers of donor and recipient cells before transplant (lanes 1 and 2) and recipient cells up to 59 weeks after transplantation (lanes 3 through 21). “Blood” indicates all nucleated peripheral blood cells; MNC, mononuclear cells; G, granulocytes.