Myeloproliferative DisordersJanus Kinase 2Thrombocythemia, EssentialPolycythemia VeraPrimary MyelofibrosisThrombocytosisLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia, Myelomonocytic, JuvenileCalreticulinSplenomegalyLeukemia, Myelomonocytic, ChronicHematopoiesis, ExtramedullaryFusion Proteins, bcr-ablReceptors, ThrombopoietinSTAT5 Transcription FactorGenes, ablLeukocytosisOncogene Proteins, FusionBone MarrowCalbindin 2Hematopoietic Stem Cellsfms-Like Tyrosine Kinase 3Bone Marrow TransplantationMutationBone Marrow DiseasesLeukemia, Myeloid, AcuteGene Expression Regulation, LeukemicMyelodysplastic-Myeloproliferative DiseasesBone Marrow CellsCell Transformation, NeoplasticBenzamidesProtein-Tyrosine KinasesMyeloid CellsReceptors, ErythropoietinPyrimidinesRetroviridaeSignal TransductionLeukemiaMutation, MissenseHematopoiesisPiperazinesLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeTranslocation, GeneticMice, Inbred C57BLProto-Oncogene ProteinsDisease Models, AnimalBone Marrow NeoplasmsTransduction, GeneticJanus KinasesCell ProliferationMice, KnockoutLeukemia, Neutrophilic, ChronicMyelodysplastic SyndromesMice, Inbred BALB CPhenotypeJanus Kinase 1Mice, TransgenicJanus Kinase 3Flow CytometrySTAT Transcription FactorsCells, CulturedSarcoma Viruses, MurineMegakaryocytesLeukemia, MyeloidCell LineHypereosinophilic SyndromeReceptor, Fibroblast Growth Factor, Type 1Cell Line, TumorMoloney murine sarcoma virusAnemia, RefractoryGranulocytesThrombopoietinLeukemia, Megakaryoblastic, AcutePolycythemiaMyelopoiesisPhiladelphia ChromosomeBlast CrisisProto-Oncogene Proteins c-cblBudd-Chiari Syndrome