Graft vs Tumor EffectGraft vs Host ReactionGraft vs Host DiseaseGraft SurvivalTransplantation, HomologousStem Cell TransplantationHematopoietic Stem Cell TransplantationTissue DonorsCloning, OrganismBone Marrow TransplantationGraft vs Leukemia EffectLiving DonorsBlood DonorsTransplantation, HeterologousIslets of Langerhans TransplantationGraft Occlusion, VascularNuclear Transfer TechniquesMice, Inbred C57BLHematopoietic Stem CellsMesenchymal Stem Cell TransplantationRats, Inbred F344Tumor Markers, BiologicalTumor Necrosis Factor-alphaTumor BurdenAntigens, CD34Cell SurvivalDisease Models, AnimalCell Line, TumorCells, CulturedLymphocyte DepletionTime FactorsCell DifferentiationStem Cells