Bone Marrow TransplantationLeukocytes, MononuclearHematopoietic Stem Cell TransplantationTransplantation, HomologousClone CellsStem Cell TransplantationTransplantation, AutologousLiver TransplantationPeripheral Blood Stem Cell TransplantationTransplantation ConditioningT-LymphocytesCells, CulturedMonocytesGraft vs Host DiseaseKidney TransplantationLymphocyte ActivationCell TransplantationLymphocytesFlow CytometryPhytohemagglutininsInterferon-gammaGraft SurvivalCytokinesHematologic NeoplasmsTransplantation ChimeraTreatment OutcomeTissue DonorsTime FactorsHeart TransplantationHIV-1CD4-Positive T-LymphocytesImmunosuppressive AgentsLung TransplantationPolymerase Chain ReactionCord Blood Stem Cell TransplantationInterleukin-2RNA, MessengerMolecular Sequence DataAntigens, CDGraft RejectionHistocompatibility TestingAntibodies, MonoclonalBlood CellsTransplantation ImmunologyInterleukin-10Organ TransplantationB-LymphocytesBase SequenceWhole-Body IrradiationRecurrenceImmunophenotypingKiller Cells, NaturalTumor Necrosis Factor-alphaCell SeparationRetrospective StudiesMyeloablative AgonistsIslets of Langerhans TransplantationCD8-Positive T-LymphocytesHLA AntigensHematopoietic Stem CellsMultiple MyelomaCytotoxicity, ImmunologicLeukemiaHematopoietic Stem Cell MobilizationLeukocyte CountEnzyme-Linked Immunosorbent AssayAntigens, CD34ImmunosuppressionReverse Transcriptase Polymerase Chain ReactionHistocompatibilityTransplantationCell LineHIV InfectionsBusulfanMesenchymal Stem Cell TransplantationPokeweed MitogensAntigens, CD3DNA, ViralCombined Modality TherapyInterleukin-4Pancreas TransplantationRecombinant ProteinsT-Lymphocytes, CytotoxicTransplantation, IsogeneicRemission InductionVirus ReplicationLeukapheresisLeukocytesLymphocyte CountT-Lymphocyte SubsetsImmunity, CellularCase-Control StudiesGranulocyte Colony-Stimulating FactorAmino Acid SequenceChimerismGene ExpressionCell DivisionFollow-Up StudiesAcute DiseaseLymphocyte Subsets