Myeloproliferative DisordersPolycythemia VeraJanus Kinase 2Primary MyelofibrosisThrombocytosisThrombocythemia, EssentialLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia, Myelomonocytic, JuvenileSplenomegalyLeukemia, Myelomonocytic, ChronicHematopoiesis, ExtramedullaryFusion Proteins, bcr-ablReceptors, ThrombopoietinGenes, ablLeukocytosisSTAT5 Transcription FactorOncogene Proteins, FusionBone MarrowHematopoietic Stem Cellsfms-Like Tyrosine Kinase 3Bone Marrow TransplantationMutationLeukemia, Myeloid, AcuteGene Expression Regulation, LeukemicMyelodysplastic-Myeloproliferative DiseasesBone Marrow CellsCell Transformation, NeoplasticBenzamidesMyeloid CellsRetroviridaeLeukemiaPyrimidinesHematopoiesisReceptors, ErythropoietinMutation, MissensePiperazinesLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeTranslocation, GeneticMice, Inbred C57BLTransduction, GeneticDisease Models, AnimalSignal TransductionProtein-Tyrosine KinasesBone Marrow NeoplasmsCell ProliferationMice, KnockoutProto-Oncogene ProteinsLeukemia, Neutrophilic, ChronicMyelodysplastic SyndromesMice, Inbred BALB CPhenotypeMice, TransgenicFlow CytometrySarcoma Viruses, MurineLeukemia, MyeloidHypereosinophilic SyndromeMegakaryocytesReceptor, Fibroblast Growth Factor, Type 1Moloney murine sarcoma virusCells, CulturedAnemia, RefractoryMyelopoiesisLeukemia, Megakaryoblastic, AcutePhiladelphia ChromosomeGranulocytesCell Line, TumorCell LineThrombopoietinBlast CrisisProto-Oncogene Proteins c-cblPolycythemia