Myeloproliferative DisordersPolycythemia VeraJanus Kinase 2Primary MyelofibrosisThrombocythemia, EssentialThrombocytosisLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia, Myelomonocytic, JuvenileSplenomegalyLeukemia, Myelomonocytic, ChronicMutation, MissenseHematopoiesis, ExtramedullaryMutationFusion Proteins, bcr-ablPoint MutationReceptors, ThrombopoietinGenes, ablLeukocytosisOncogene Proteins, FusionSTAT5 Transcription FactorBone MarrowHematopoietic Stem Cellsfms-Like Tyrosine Kinase 3Bone Marrow TransplantationLeukemia, Myeloid, AcuteGene Expression Regulation, LeukemicCell Transformation, NeoplasticMyelodysplastic-Myeloproliferative DiseasesBone Marrow CellsBenzamidesFrameshift MutationMyeloid CellsPyrimidinesRetroviridaeLeukemiaSignal TransductionHematopoiesisReceptors, ErythropoietinPiperazinesMice, Inbred C57BLGerm-Line MutationDisease Models, AnimalTranslocation, GeneticTransduction, GeneticLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativePhenotypeProtein-Tyrosine KinasesProto-Oncogene ProteinsBone Marrow NeoplasmsMice, KnockoutAmino Acid SubstitutionPedigreeCell ProliferationDNA Mutational AnalysisMice, TransgenicExonsCell LineMyelodysplastic SyndromesMice, Inbred BALB CLeukemia, Neutrophilic, ChronicBase SequencePolymerase Chain ReactionCells, CulturedAllelesMutation RateHeterozygoteMolecular Sequence DataCell Line, TumorLeukemia, MyeloidSarcoma Viruses, MurineFlow CytometryMegakaryocytesReceptor, Fibroblast Growth Factor, Type 1Hypereosinophilic SyndromeHomozygoteAmino Acid SequenceMoloney murine sarcoma virusAnemia, RefractoryMyelopoiesisLeukemia, Megakaryoblastic, AcuteGenetic TestingGranulocytesGenotypePhiladelphia ChromosomeDNA-Binding ProteinsPolycythemiaSequence Analysis, DNABlast CrisisPolymorphism, Single-Stranded ConformationalThrombopoietinProto-Oncogene Proteins c-cblMutagenesis, Site-DirectedDNA PrimersCodon, NonsenseMutagenesisProtein Structure, TertiaryMutant ProteinsDown SyndromeSequence Deletion