Gelatin Sponge, AbsorbableStem CellsStem Cell TransplantationMyoblasts, CardiacMyocytes, CardiacAdult Stem CellsRegenerationMyocardiumCell DifferentiationTransplantation, AutologousCell TrackingProto-Oncogene Proteins c-kitMultipotent Stem CellsMesenchymal Stem Cell TransplantationHeartMyocardial InfarctionCell- and Tissue-Based TherapyHematopoietic Stem CellsCells, CulturedMesenchymal Stromal CellsEmbryonic Stem CellsHeart DiseasesCell LineageHematopoietic Stem Cell TransplantationCell ProliferationPluripotent Stem CellsCardiomyopathiesCell SeparationBone Marrow CellsFlow CytometryStem Cell NicheInduced Pluripotent Stem CellsNeural Stem CellsMice, Inbred C57BLMice, SCIDCell SurvivalBiological MarkersHeart FailureBlood Transfusion, AutologousSignal TransductionStem Cell FactorDisease Models, AnimalCell Culture TechniquesCardiac OutputCoculture TechniquesHematopoietic Stem Cell MobilizationStem Cell ResearchBone Marrow TransplantationPlant StemsFetal Stem CellsCardiac Surgical ProceduresArrhythmias, CardiacTransplantation, HomologousPeripheral Blood Stem Cell TransplantationTime FactorsDeath, Sudden, CardiacTreatment OutcomeMyocardial IschemiaNeoplastic Stem CellsAntigens, CD34Cell MovementHematopoiesisRegenerative Medicine