Anemia, SideroblasticAnemia, RefractoryThrombocytosisBone MarrowMyelodysplastic SyndromesAnemia, Refractory, with Excess of BlastsFerrocyanidesBone Marrow CellsErythrocytes, AbnormalBone Marrow TransplantationJanus Kinase 2Bone and BonesRibonucleoprotein, U2 Small NuclearGranulocyte Precursor CellsBone RemodelingBone Marrow DiseasesErythroblastsPreleukemiaBone Marrow ExaminationBone Marrow NeoplasmsThrombocythemia, EssentialHematopoietic Stem CellsBone Density5-Aminolevulinate SynthetaseBone ResorptionBone Marrow PurgingHematopoiesisBone NeoplasmsPlatelet CountTransplantation, HomologousBone DevelopmentMice, Inbred C57BLBone DiseasesColony-Forming Units AssayCell DifferentiationWorld Health OrganizationMutationBone RegenerationErythrocytesCells, CulturedWhole-Body IrradiationTransplantation, AutologousRadiation ChimeraStromal CellsGraft vs Host DiseaseAnemia, AplasticOsteogenesisFlow CytometryLeukemiaBone MatrixBone TransplantationAntigens, CD34GranulocytesSpleen