Myeloproliferative DisordersMyelodysplastic SyndromesPolycythemia VeraJanus Kinase 2Primary MyelofibrosisThrombocytosisThrombocythemia, EssentialLeukemia, Myelomonocytic, ChronicLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia, Myelomonocytic, JuvenileSplenomegalyHematopoiesis, ExtramedullaryFusion Proteins, bcr-ablReceptors, ThrombopoietinBone MarrowGenes, ablLeukocytosisOncogene Proteins, FusionSTAT5 Transcription FactorLeukemia, Myeloid, AcuteHematopoietic Stem CellsAnemia, Refractoryfms-Like Tyrosine Kinase 3Bone Marrow TransplantationMyelodysplastic-Myeloproliferative DiseasesMutationBone Marrow CellsAnemia, Refractory, with Excess of BlastsGene Expression Regulation, LeukemicCell Transformation, NeoplasticLeukemiaBenzamidesMyeloid CellsHematopoiesisPyrimidinesRetroviridaeTranslocation, GeneticLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeReceptors, ErythropoietinPiperazinesMutation, MissenseLeukemia, MyeloidMice, Inbred C57BLBone Marrow NeoplasmsDisease Models, AnimalSignal TransductionProtein-Tyrosine KinasesTransduction, GeneticAnemia, SideroblasticCell ProliferationProto-Oncogene ProteinsMice, KnockoutChromosomes, Human, Pair 5Leukemia, Neutrophilic, ChronicPhenotypeFlow CytometryMice, Inbred BALB CMice, TransgenicMegakaryocytesBlast CrisisKaryotypingSarcoma Viruses, MurineGranulocytesCells, CulturedPreleukemiaThrombopoietinHypereosinophilic SyndromeChromosome AberrationsReceptor, Fibroblast Growth Factor, Type 1MyelopoiesisBone Marrow DiseasesMonosomyLeukemia, Megakaryoblastic, AcuteMoloney murine sarcoma virusCell Line, TumorHematologic NeoplasmsCell LineTreatment OutcomeChromosomes, Human, Pair 8Chromosomes, Human, Pair 20Proto-Oncogene Proteins c-cblPhiladelphia ChromosomeMyeloid Progenitor CellsPrognosisChromosomes, Human, Pair 7AzacitidineAntigens, CD34MastocytosisPolycythemiaColony-Forming Units AssayThalidomideDNA Mutational Analysis