Myeloproliferative DisordersMyelodysplastic-Myeloproliferative DiseasesMyelodysplastic SyndromesLeukemia, Myelomonocytic, ChronicAnemia, RefractoryThrombocytosisAnemia, SideroblasticPolycythemia VeraJanus Kinase 2Primary MyelofibrosisThrombocythemia, EssentialLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia, Myelomonocytic, JuvenileSplenomegalyHematopoiesis, ExtramedullaryFusion Proteins, bcr-ablReceptors, ThrombopoietinBone MarrowGenes, ablLeukocytosisOncogene Proteins, FusionSTAT5 Transcription FactorLeukemia, Myeloid, AcuteHematopoietic Stem Cellsfms-Like Tyrosine Kinase 3Bone Marrow TransplantationMutationBone Marrow CellsGene Expression Regulation, LeukemicCell Transformation, NeoplasticLeukemiaAnemia, Refractory, with Excess of BlastsBenzamidesMyeloid CellsHematopoiesisRetroviridaePyrimidinesTranslocation, GeneticLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeReceptors, ErythropoietinMutation, MissensePiperazinesLeukemia, MyeloidMice, Inbred C57BLGraft SurvivalDisease Models, AnimalBone Marrow NeoplasmsSignal TransductionTransduction, GeneticProtein-Tyrosine KinasesCell ProliferationProto-Oncogene ProteinsMice, KnockoutChromosomes, Human, Pair 5Leukemia, Neutrophilic, ChronicMice, Inbred BALB CFlow CytometryPhenotypeMice, TransgenicMegakaryocytesBlast CrisisGraft Occlusion, VascularKaryotypingSarcoma Viruses, MurineCells, CulturedGranulocytes