Myelodysplastic SyndromesMyeloproliferative DisordersBone MarrowJanus Kinase 2Anemia, RefractoryMyelodysplastic-Myeloproliferative DiseasesPrimary MyelofibrosisAnemia, Refractory, with Excess of BlastsBone Marrow CellsPolycythemia VeraLeukemia, Myelomonocytic, ChronicThrombocythemia, EssentialSyndromeLeukemia, Myeloid, AcuteBone Marrow NeoplasmsBone Marrow TransplantationReceptors, ThrombopoietinLeukemia, MyeloidAnemia, SideroblasticChromosomes, Human, Pair 5ThrombocytosisBone Marrow DiseasesHematopoietic Stem CellsBone and BonesAzacitidineLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeMutationKaryotypingLeukemiaChromosome AberrationsBone Marrow ExaminationPrognosisPreleukemiaMonosomyAnemia, AplasticLeukemia, Myelomonocytic, JuvenilePancytopeniaThalidomideHematologic NeoplasmsTreatment OutcomeChromosomes, Human, Pair 7Acute DiseaseLeukemia, Myelogenous, Chronic, BCR-ABL PositiveHematopoiesisBlast CrisisCytogenetic AnalysisTransplantation, HomologousHematopoietic Stem Cell TransplantationProto-Oncogene Proteins c-cblMegakaryocytesChromosome DeletionSplenomegalyGranulocyte Precursor CellsAntigens, CD34Myeloid Progenitor CellsNeoplasms, Second PrimaryHematologyDisease ProgressionDNA Mutational AnalysisCytogeneticsTrisomySurvival AnalysisBlood Cell CountPhiladelphia ChromosomeAntimetabolites, AntineoplasticErythropoietinFlow CytometryBone RemodelingCell Transformation, NeoplasticAntineoplastic AgentsColony-Forming Units AssayDown SyndromeRetrospective StudiesIron OverloadGranulocytesErythrocyte TransfusionHematologic DiseasesGranulocyte Colony-Stimulating FactorRemission InductionCytarabineThrombocytopeniaTransplantation ConditioningMegakaryocyte-Erythroid Progenitor CellsSurvival RateHematologic AgentsTranslocation, GeneticIn Situ Hybridization, FluorescenceErythroid Precursor CellsImmunophenotypingChromosomes, Human, Pair 8Blood TransfusionMice, Inbred C57BLChelation TherapyWhole-Body IrradiationJanus KinasesCell DifferentiationTransplantation, AutologousErythropoiesisCore Binding Factor Alpha 2 SubunitGraft vs Host Disease