Myeloproliferative DisordersMyelodysplastic SyndromesPolycythemia VeraJanus Kinase 2Primary MyelofibrosisThrombocytosisThrombocythemia, EssentialLeukemia, Myelomonocytic, ChronicLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia, Myelomonocytic, JuvenileSplenomegalyHematopoiesis, ExtramedullaryFusion Proteins, bcr-ablReceptors, ThrombopoietinBone MarrowGenes, ablLeukocytosisOncogene Proteins, FusionSTAT5 Transcription FactorLeukemia, Myeloid, AcuteHematopoietic Stem Cellsfms-Like Tyrosine Kinase 3Bone Marrow TransplantationMyelodysplastic-Myeloproliferative DiseasesMutationAnemia, RefractoryBone Marrow CellsGene Expression Regulation, LeukemicCell Transformation, NeoplasticLeukemiaAnemia, Refractory, with Excess of BlastsBenzamidesMyeloid CellsHematopoiesisRetroviridaePyrimidinesTranslocation, GeneticLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeMutation, MissenseReceptors, ErythropoietinPiperazinesLeukemia, MyeloidMice, Inbred C57BLDisease Models, AnimalSignal TransductionBone Marrow NeoplasmsProtein-Tyrosine KinasesTransduction, GeneticCell ProliferationMice, KnockoutProto-Oncogene ProteinsChromosomes, Human, Pair 5Anemia, SideroblasticPhenotypeLeukemia, Neutrophilic, ChronicFlow CytometryMice, Inbred BALB CMice, TransgenicMegakaryocytesBlast CrisisKaryotypingCells, CulturedSarcoma Viruses, MurineGranulocytesPreleukemiaHypereosinophilic SyndromeThrombopoietinChromosome AberrationsReceptor, Fibroblast Growth Factor, Type 1MyelopoiesisBipolar DisorderLeukemia, Megakaryoblastic, AcuteMonosomyBone Marrow DiseasesMoloney murine sarcoma virusCell LineChromosomes, Human, Pair 8Hematologic NeoplasmsCell Line, TumorChromosomes, Human, Pair 20Proto-Oncogene Proteins c-cblPhiladelphia ChromosomeMyeloid Progenitor CellsChromosomes, Human, Pair 7DNA Mutational AnalysisMental DisordersMastocytosisPolycythemiaAzacitidineColony-Forming Units AssayPrognosisAntigens, CD34