Myeloproliferative DisordersPolycythemia VeraJanus Kinase 2Primary MyelofibrosisThrombocythemia, EssentialThrombocytosisLeukemia, 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, AcuteMyelodysplastic-Myeloproliferative DiseasesGene Expression Regulation, LeukemicCell Transformation, NeoplasticBone Marrow CellsBenzamidesLeukemiaMyeloid CellsRetroviridaePyrimidinesHematopoiesisReceptors, ErythropoietinBone Marrow NeoplasmsMutation, MissenseTranslocation, GeneticLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativePiperazinesMice, Inbred C57BLDisease Models, AnimalSignal TransductionTransduction, GeneticProtein-Tyrosine KinasesCell ProliferationProto-Oncogene ProteinsMice, KnockoutMyelodysplastic SyndromesLeukemia, Neutrophilic, ChronicMice, Inbred BALB CPhenotypeNeoplasmsPancreatic NeoplasmsMice, TransgenicFlow CytometryLeukemia, MyeloidSarcoma Viruses, MurineHematologic NeoplasmsHypereosinophilic SyndromeMegakaryocytesNeoplasms, Cystic, Mucinous, and SerousReceptor, Fibroblast Growth Factor, Type 1Cells, CulturedMoloney murine sarcoma virusCell Line, TumorAnemia, RefractoryPhiladelphia ChromosomeMyelopoiesisCell LineGranulocytesLeukemia, Megakaryoblastic, AcuteBlast CrisisProto-Oncogene Proteins c-cblThrombopoietinPolycythemia