MyocardiumMyocardial InfarctionVentricular RemodelingMyoblasts, SkeletalHeartGeumMesenchymal Stem Cell TransplantationMyocardial StunningNeovascularization, PhysiologicStem Cell TransplantationMyocytes, CardiacVentricular Function, LeftMyocardial IschemiaDogsMyocardial ContractionRats, NudeRegenerationMyoblasts, CardiacCell TransplantationMyocardial ReperfusionDisease Models, AnimalMyocardial Reperfusion InjuryHeart VentriclesCoronary CirculationEchocardiographyMesenchymal Stromal CellsGadolinium DTPACicatrixTechnetiumCoronary VesselsRats, Sprague-DawleyHeart Function TestsVentricular FunctionContrast MediaFibrosisStem CellsMagnetic Resonance Imaging, CineRadionuclide ImagingPericardiumCell- and Tissue-Based TherapyTime FactorsLigationHydrogelInjectionsVascular Endothelial Growth Factor ACells, CulturedCell DifferentiationRats, WistarRecovery of FunctionVentricular Dysfunction, LeftMyoblastsMagnetic Resonance ImagingImmunohistochemistryRats, Inbred LewChemokine CXCL12Bone Marrow CellsTomography, Emission-Computed, Single-PhotonSwineNecrosisHemodynamicsUltrasonicsMice, Inbred C57BLCapillariesProto-Oncogene Proteins c-kitRats, Inbred F344Receptors, CXCR4Random AllocationCollagenEmbryonic Stem CellsTransplantation, AutologousCell MovementHepatocyte Growth FactorStroke VolumeCell SurvivalElectrocardiographyEndothelial CellsGene Transfer TechniquesGenetic TherapyGreen Fluorescent ProteinsExtracellular MatrixApoptosisBlotting, WesternCell ProliferationCardiotonic AgentsRNA, MessengerBone Marrow TransplantationCardiomyopathiesReverse Transcriptase Polymerase Chain ReactionTissue SurvivalCardiomegalySignal TransductionHeart AtriaCoronary DiseaseCardiomyopathy, DilatedIsolated Noncompaction of the Ventricular MyocardiumIschemic Preconditioning, MyocardialDobutamineCytokinesMyocarditisHeart Failure