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 NegativeMutation, MissenseReceptors, ErythropoietinPiperazinesLeukemia, MyeloidMice, Inbred C57BLDisease Models, AnimalSignal TransductionBone Marrow NeoplasmsProtein-Tyrosine KinasesTransduction, GeneticCell ProliferationMice, KnockoutProto-Oncogene ProteinsChromosomes, Human, Pair 5PhenotypeLeukemia, Neutrophilic, ChronicFlow CytometryMice, Inbred BALB CMice, TransgenicMegakaryocytesBlast CrisisKaryotypingCells, CulturedSarcoma Viruses, MurineGranulocytes