Skin TransplantationTransplantation, HomologousGraft RejectionGraft SurvivalLiver TransplantationKidney TransplantationMice, Inbred BALB CKidneyMice, Inbred C57BLBone Marrow TransplantationSkinHematopoietic Stem Cell TransplantationHeart TransplantationTransplantation, AutologousLung TransplantationStem Cell TransplantationTransplantation ConditioningOrgan TransplantationKidney DiseasesPancreas TransplantationTissue DonorsIslets of Langerhans TransplantationTransplantationTransplantation ImmunologyCell TransplantationSkin DiseasesTransplantation ChimeraImmunosuppressive AgentsSkin AgingSkin NeoplasmsLiving DonorsKidney Failure, ChronicTreatment OutcomeGraft vs Host DiseaseTransplantation, IsogeneicTransplantation, HeterotopicTime FactorsKidney TubulesTissue and Organ ProcurementCord Blood Stem Cell TransplantationHeart-Lung Transplantation