Myeloproliferative DisordersPolycythemia VeraJanus Kinase 2Primary MyelofibrosisThrombocytosisThrombocythemia, EssentialLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia, Myelomonocytic, JuvenileSplenomegalyLeukemia, Myelomonocytic, ChronicHematopoiesis, ExtramedullaryGene Expression ProfilingFusion Proteins, bcr-ablGene ExpressionReceptors, ThrombopoietinGene Expression RegulationGenes, ablLeukocytosisSTAT5 Transcription FactorOncogene Proteins, FusionBone MarrowHematopoietic Stem CellsMutationfms-Like Tyrosine Kinase 3Bone Marrow TransplantationLeukemia, Myeloid, AcuteGene Expression Regulation, LeukemicCell Transformation, NeoplasticBone Marrow CellsMyelodysplastic-Myeloproliferative DiseasesSignal TransductionBenzamidesOligonucleotide Array Sequence AnalysisMyeloid CellsMice, Inbred C57BLRetroviridaeLeukemiaPyrimidinesHematopoiesisRNA, MessengerDisease Models, AnimalReceptors, ErythropoietinMutation, MissensePiperazinesTranslocation, GeneticTransduction, GeneticLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeCell ProliferationMice, KnockoutProtein-Tyrosine KinasesPhenotypeCells, CulturedCell LineBone Marrow NeoplasmsProto-Oncogene ProteinsMice, TransgenicMice, Inbred BALB CReverse Transcriptase Polymerase Chain ReactionGene Expression Regulation, DevelopmentalBase SequenceGene Expression Regulation, NeoplasticTranscription, GeneticTranscription FactorsCell Line, TumorPromoter Regions, GeneticLeukemia, Neutrophilic, ChronicMolecular Sequence DataMyelodysplastic SyndromesFlow CytometryDNA-Binding ProteinsGene Expression Regulation, EnzymologicGene Expression Regulation, PlantSarcoma Viruses, MurineLeukemia, MyeloidMegakaryocytesReceptor, Fibroblast Growth Factor, Type 1Gene Expression Regulation, BacterialHypereosinophilic SyndromeMoloney murine sarcoma virusGene Expression Regulation, ViralMyelopoiesisGranulocytesLeukemia, Megakaryoblastic, AcuteAnemia, RefractoryCluster AnalysisCell DifferentiationPhiladelphia ChromosomePolymerase Chain ReactionThrombopoietinBlast CrisisTransfectionProto-Oncogene Proteins c-cblRepressor ProteinsPolycythemiaJanus KinasesDown SyndromeDNA Primers