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 NegativeLeukemiaKaryotypingMutationChromosome AberrationsBone Marrow ExaminationPreleukemiaMonosomyAnemia, AplasticLeukemia, Myelomonocytic, JuvenilePrognosisPancytopeniaThalidomideHematologic NeoplasmsTreatment OutcomeChromosomes, Human, Pair 7HematopoiesisLeukemia, Myelogenous, Chronic, BCR-ABL PositiveBlast CrisisAcute DiseaseCytogenetic AnalysisTransplantation, HomologousHematopoietic Stem Cell TransplantationProto-Oncogene Proteins c-cblMegakaryocytesChromosome DeletionSplenomegalyMyeloid Progenitor CellsGranulocyte Precursor CellsAntigens, CD34Neoplasms, Second PrimaryHematologyDisease ProgressionDNA Mutational AnalysisCytogeneticsTrisomyErythropoietinPhiladelphia ChromosomeAntimetabolites, AntineoplasticBlood Cell CountBone RemodelingFlow CytometryCell Transformation, NeoplasticSurvival AnalysisColony-Forming Units AssayAntineoplastic AgentsIron OverloadDown SyndromeGranulocytesErythrocyte TransfusionHematologic DiseasesGranulocyte Colony-Stimulating FactorCytarabineTransplantation ConditioningRemission InductionMegakaryocyte-Erythroid Progenitor CellsThrombocytopeniaHematologic AgentsTranslocation, GeneticErythroid Precursor CellsImmunophenotypingIn Situ Hybridization, FluorescenceSurvival RateChromosomes, Human, Pair 8Blood TransfusionRetrospective StudiesMice, Inbred C57BLChelation TherapyWhole-Body IrradiationJanus KinasesCell DifferentiationErythropoiesisCore Binding Factor Alpha 2 SubunitTransplantation, AutologousGraft vs Host Disease