Myeloproliferative DisordersPolycythemia VeraJanus Kinase 2Primary MyelofibrosisThrombocytosisThrombocythemia, EssentialLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia, Myelomonocytic, JuvenileSplenomegalyLeukemia, Myelomonocytic, ChronicHematopoiesis, ExtramedullaryFusion Proteins, bcr-ablReceptors, ThrombopoietinLeukocytosisGenes, ablOncogene Proteins, FusionSTAT5 Transcription FactorBone MarrowHematopoietic Stem Cellsfms-Like Tyrosine Kinase 3Bone Marrow TransplantationMutationLeukemia, Myeloid, AcuteBlood CellsGene Expression Regulation, LeukemicBone Marrow CellsMyelodysplastic-Myeloproliferative DiseasesCell Transformation, NeoplasticBenzamidesMyeloid CellsHematopoiesisLeukemiaRetroviridaePyrimidinesReceptors, ErythropoietinErythrocytesMutation, MissensePiperazinesLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeMice, Inbred C57BLTranslocation, GeneticDisease Models, AnimalSignal TransductionTransduction, GeneticProtein-Tyrosine KinasesBone Marrow NeoplasmsMice, KnockoutCell ProliferationProto-Oncogene ProteinsMyelodysplastic SyndromesLeukemia, Neutrophilic, ChronicMice, Inbred BALB CBlood Cell CountPhenotypeFlow CytometryMice, TransgenicCells, CulturedLeukemia, MyeloidSarcoma Viruses, MurineMegakaryocytesHypereosinophilic SyndromeGranulocytesReceptor, Fibroblast Growth Factor, Type 1Moloney murine sarcoma virusCell LineAnemia, RefractoryLeukocyte CountMyelopoiesisThrombopoietinCell Line, TumorPhiladelphia ChromosomeLeukemia, Megakaryoblastic, AcuteBlast CrisisPolycythemiaProto-Oncogene Proteins c-cbl