Myeloproliferative DisordersPhiladelphiaPhiladelphia ChromosomeJanus Kinase 2Polycythemia VeraLeukemia, Myelogenous, Chronic, BCR-ABL PositivePrimary MyelofibrosisThrombocythemia, EssentialThrombocytosisFusion Proteins, bcr-ablLeukemia, Myelomonocytic, JuvenileHematopoiesis, ExtramedullarySplenomegalyLeukemia, Myelomonocytic, ChronicGenes, ablReceptors, ThrombopoietinBenzamidesSTAT5 Transcription FactorBone MarrowLeukocytosisOncogene Proteins, FusionPyrimidinesLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeHematopoietic Stem CellsPiperazinesBone Marrow Transplantationfms-Like Tyrosine Kinase 3MutationLeukemia, Myeloid, AcuteProtein-Tyrosine KinasesGene Expression Regulation, LeukemicBone Marrow CellsCell Transformation, NeoplasticTranslocation, GeneticMyelodysplastic-Myeloproliferative DiseasesBlast CrisisLeukemiaProto-Oncogene Proteins c-bcrPrecursor Cell Lymphoblastic Leukemia-LymphomaMyeloid CellsSignal TransductionHematopoiesisReceptors, ErythropoietinChromosomes, Human, 21-22 and YRetroviridaeLeukemia, MyeloidMutation, MissenseProto-Oncogene ProteinsLeukemia, Neutrophilic, ChronicMice, Inbred C57BLDisease Models, AnimalBone Marrow NeoplasmsTransduction, GeneticJanus KinasesCell ProliferationMice, KnockoutKaryotypingPhenotypeLeukemia, Myeloid, Chronic-PhaseMyelodysplastic SyndromesMice, Inbred BALB CJanus Kinase 1Flow CytometryCytogeneticsProtein Kinase InhibitorsMice, TransgenicChromosomes, Human, Pair 9Cell LineJanus Kinase 3Cells, CulturedPennsylvaniaLeukemia, Myeloid, Accelerated PhaseChromosomes, Human, Pair 22STAT Transcription FactorsSarcoma Viruses, MurineCell Line, TumorGranulocytesMegakaryocytesAntineoplastic AgentsHypereosinophilic SyndromeChromosome AberrationsReceptor, Fibroblast Growth Factor, Type 1HydroxyureaMoloney murine sarcoma virusAnemia, RefractoryThrombopoietinLeukemia, Megakaryoblastic, AcutePolycythemiaMyelopoiesisRemission InductionCytogenetic AnalysisProto-Oncogene Proteins c-cblOncogenesColony-Forming Units AssayProto-Oncogene Proteins c-ablMoraleBudd-Chiari SyndromeChromosome Disorders