Bone Morphogenetic ProteinsTransforming Growth Factor betaBone Morphogenetic Protein 2Bone Morphogenetic Protein 4Bone Morphogenetic Protein 7Bone Morphogenetic Protein Receptors, Type IBone Morphogenetic Protein ReceptorsBone Morphogenetic Protein 6Bone Morphogenetic Protein Receptors, Type IITransforming Growth Factor beta1Receptors, Transforming Growth Factor betaBone and BonesBone Morphogenetic Protein 5Smad ProteinsSmad1 ProteinBone Morphogenetic Protein 3Signal TransductionSmad5 ProteinBone Morphogenetic Protein 15Transforming Growth Factor beta2Transforming Growth Factor beta3Bone Morphogenetic Protein 1Transforming Growth FactorsSmad6 ProteinCells, CulturedCell DifferentiationReceptors, Growth FactorEpidermal Growth FactorBone RemodelingSmad8 ProteinRNA, MessengerActivin Receptors, Type IOsteogenesisSmad2 ProteinOsteoblastsFibroblast Growth Factor 2Growth Differentiation FactorsIntercellular Signaling Peptides and ProteinsGrowth SubstancesVascular Endothelial Growth Factor AFibroblast Growth FactorsCell LineGene Expression Regulation, DevelopmentalGrowth Differentiation Factor 2ActivinsReceptor, Epidermal Growth FactorBone RegenerationSmad4 ProteinCell DivisionBone DevelopmentBone DensityGrowth Differentiation Factor 9Smad7 ProteinGrowth Differentiation Factor 5Platelet-Derived Growth FactorGene Expression RegulationTrans-ActivatorsReverse Transcriptase Polymerase Chain ReactionMesodermActivin Receptors, Type IIMolecular Sequence DataActivin ReceptorsImmunohistochemistryRecombinant ProteinsInsulin-Like Growth Factor IGene ExpressionProtein-Serine-Threonine KinasesBone ResorptionBone MatrixCell ProliferationSmad Proteins, Receptor-RegulatedCarrier ProteinsIn Situ HybridizationBone Marrow CellsPhosphorylationDNA-Binding ProteinsProteinsFollistatinBone MarrowBone NeoplasmsFibroblastsBase SequenceMice, Inbred C57BLHepatocyte Growth FactorGrowth Differentiation Factor 6Smad3 ProteinTransforming Growth Factor alphaBlotting, WesternNerve Growth FactorsEndothelial Growth FactorsBody PatterningTranscription FactorsTransfectionStem CellsBone DiseasesAlkaline PhosphataseChondrogenesisMinkChondrocytesMice, Knockout