Myeloproliferative DisordersJanus Kinase 2Thrombocythemia, EssentialPolycythemia VeraPrimary MyelofibrosisThrombocytosisLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia, Myelomonocytic, JuvenileCalreticulinSplenomegalyMutation, MissenseLeukemia, Myelomonocytic, ChronicMutationHematopoiesis, ExtramedullaryFusion Proteins, bcr-ablPoint MutationReceptors, ThrombopoietinSTAT5 Transcription FactorGenes, ablLeukocytosisOncogene Proteins, FusionBone MarrowCalbindin 2Hematopoietic Stem Cellsfms-Like Tyrosine Kinase 3Bone Marrow TransplantationBone Marrow DiseasesLeukemia, Myeloid, AcuteGene Expression Regulation, LeukemicCell Transformation, NeoplasticMyelodysplastic-Myeloproliferative DiseasesBone Marrow CellsBenzamidesSignal TransductionProtein-Tyrosine KinasesPyrimidinesMyeloid CellsFrameshift MutationReceptors, ErythropoietinRetroviridaeLeukemiaHematopoiesisProto-Oncogene ProteinsMice, Inbred C57BLPiperazinesGerm-Line MutationDisease Models, AnimalTranslocation, GeneticTransduction, GeneticLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativePhenotypeBone Marrow NeoplasmsAmino Acid SubstitutionMice, KnockoutCell ProliferationJanus KinasesPedigreeCell LineDNA Mutational AnalysisMice, TransgenicExonsBase SequenceMice, Inbred BALB CLeukemia, Neutrophilic, ChronicMyelodysplastic SyndromesCells, CulturedPolymerase Chain ReactionJanus Kinase 1AllelesMolecular Sequence DataHeterozygoteJanus Kinase 3Mutation RateCell Line, TumorFlow CytometrySTAT Transcription FactorsLeukemia, MyeloidMegakaryocytesDNA-Binding ProteinsSarcoma Viruses, MurineAmino Acid SequenceHomozygoteHypereosinophilic SyndromeReceptor, Fibroblast Growth Factor, Type 1PolycythemiaAnemia, RefractoryMoloney murine sarcoma virusGranulocytesLeukemia, Megakaryoblastic, AcuteThrombopoietinMyelopoiesisGenetic TestingPhiladelphia ChromosomeGenotypeSequence Analysis, DNABlast CrisisProto-Oncogene Proteins c-cblMutagenesis, Site-DirectedPolymorphism, Single-Stranded ConformationalProtein Structure, Tertiary