Mesenchymal Stromal CellsMesenchymal Stem Cell TransplantationOsteogenesisCell DifferentiationChondrogenesisTissue EngineeringTissue ScaffoldsBone Marrow CellsCells, CulturedCell Migration AssaysSilkAlkaline PhosphataseOsteoblastsStromal CellsCell Culture TechniquesCell ProliferationFetal Stem CellsAdipogenesisMultipotent Stem CellsApatitesCore Binding Factor Alpha 1 SubunitCoculture TechniquesHydrogelsBiocompatible MaterialsBone Morphogenetic Protein 2BioreactorsRats, NudeAdult Stem CellsCalcification, PhysiologicNanostructuresSOX9 Transcription FactorCell ShapeFibroinsPolyglycolic AcidBone RegenerationCell SurvivalIntegrin-Binding SialoproteinReverse Transcriptase Polymerase Chain ReactionImplants, ExperimentalCell- and Tissue-Based TherapyCalcifediolGalactosidesCell LineagePolyestersBiomimetic MaterialsChondrocytesLentivirusRNA, Small InterferingMagnetite Nanoparticles25-Hydroxyvitamin D3 1-alpha-HydroxylaseOsteopontinTransduction, GeneticTransforming Growth Factor beta3Transplantation, HeterologousGene Expression RegulationCulture Media, ConditionedDurapatiteIntegrin alpha5AdipocytesStem CellsWeightlessnessFerrosoferric OxideExtracellular MatrixCell AdhesionPolymersStaining and LabelingFerric CompoundsCell MovementMaterials TestingFlow CytometrySignal TransductionSurface PropertiesTime FactorsCulture MediaGene ExpressionIntercellular Signaling Peptides and ProteinsCoated Materials, BiocompatibleBiological MarkersMesodermBone and BonesStress, MechanicalCell AgingMice, SCIDGene Expression ProfilingGene Knockdown TechniquesParacrine CommunicationNeovascularization, PhysiologicMicroRNAsMice, Inbred NODDisease Models, AnimalEmbryonic Stem CellsGreen Fluorescent ProteinsTetrazolium SaltsBlotting, WesternNeurogenesisGenetic VectorsPhosphopyruvate HydrataseMicroscopy, Electron, ScanningSOXB1 Transcription FactorsCell Transplantation