Graft vs Tumor EffectGraft vs Host ReactionGraft vs Host DiseaseTransplantation, HomologousGraft SurvivalKidney TransplantationGraft RejectionImmunosuppressive AgentsChronic DiseaseRats, Inbred LewCyclosporineGraft vs Leukemia EffectKidney DiseasesBone Marrow TransplantationTime FactorsGraft Occlusion, VascularHematopoietic Stem Cell TransplantationKidneyTumor Markers, BiologicalTumor Necrosis Factor-alphaTumor BurdenCell Line, Tumor