Myeloproliferative DisordersJanus Kinase 2Polycythemia VeraPrimary MyelofibrosisThrombocythemia, EssentialMyelodysplastic-Myeloproliferative DiseasesThrombocytosisReceptors, ThrombopoietinLeukemia, Myelomonocytic, JuvenileLeukemia, Myelomonocytic, ChronicBone Marrow NeoplasmsLeukemia, Myelogenous, Chronic, BCR-ABL PositiveSplenomegalyLeukemia, Myeloid, AcuteLeukemiaFusion Proteins, bcr-ablLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeMutationHematopoiesis, ExtramedullarySTAT5 Transcription FactorBone MarrowHematopoietic Stem CellsGenes, ablAnemia, RefractoryMyelodysplastic SyndromesLeukocytosisPhiladelphia ChromosomeProto-Oncogene Proteins c-cblOncogene Proteins, FusionCell Transformation, Neoplasticfms-Like Tyrosine Kinase 3Mutation, MissenseGene Expression Regulation, LeukemicBone Marrow TransplantationHematologic NeoplasmsJanus KinasesMegakaryocyte Progenitor CellsLeukemia, ExperimentalCell ProliferationHematologySignal TransductionProto-Oncogene ProteinsLeukemia, Lymphocytic, Chronic, B-CellBone Marrow CellsBlast CrisisMyelopoiesisClonal EvolutionMegakaryocytesLeukemia, LymphoidLeukemia, MyeloidMyeloid Progenitor CellsProtein Kinase InhibitorsBenzamidesRetroviridaeLeukemia, Neutrophilic, ChronicAmino Acid SubstitutionDNA Mutational AnalysisHematopoiesisMyeloid CellsMice, Inbred C57BLAnemia, SideroblasticGene Knock-In TechniquesDisease Models, AnimalPyrimidinesTranslocation, GeneticMegakaryocyte-Erythroid Progenitor CellsPhenotypeBone Marrow DiseasesLeukemia, Megakaryoblastic, AcutePiperazinesReceptors, ErythropoietinProtein-Tyrosine KinasesPoint MutationSarcoma Viruses, MurineMice, TransgenicTransduction, GeneticCell Line, TumorHypereosinophilic SyndromeCell LineNeoplasmsDisease ProgressionExonsPrecursor Cell Lymphoblastic Leukemia-LymphomaPrognosisGranulocytesReceptor, Fibroblast Growth Factor, Type 1Moloney murine sarcoma virusLeukemia Virus, MurineLeukemia, B-CellMice, KnockoutFlow CytometryPyrazolesAntineoplastic AgentsDNA-Binding ProteinsMice, Inbred BALB CThrombopoietinPolymerase Chain ReactionMoloney murine leukemia virusPolycythemiaThrombosis