Myeloproliferative DisordersPolycythemia VeraJanus Kinase 2Primary MyelofibrosisThrombocytosisThrombocythemia, EssentialLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia, Myelomonocytic, JuvenileSplenomegalyLeukemia, Myelomonocytic, ChronicHematopoiesis, ExtramedullaryFusion Proteins, bcr-ablReceptors, ThrombopoietinGenes, ablLeukocytosisOncogene Proteins, FusionSTAT5 Transcription FactorBone MarrowHematopoietic Stem CellsBone Marrow Transplantationfms-Like Tyrosine Kinase 3Leukemia, Myeloid, AcuteMutationGene Expression Regulation, LeukemicMyelodysplastic-Myeloproliferative DiseasesBone Marrow CellsCell Transformation, NeoplasticBenzamidesLeukemiaMyeloid CellsPyrimidinesRetroviridaeRecurrenceHematopoiesisReceptors, ErythropoietinPiperazinesTranslocation, GeneticMutation, MissenseLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeMice, Inbred C57BLDisease Models, AnimalBone Marrow NeoplasmsSignal TransductionTransduction, GeneticProtein-Tyrosine KinasesCell ProliferationMice, KnockoutProto-Oncogene ProteinsMyelodysplastic SyndromesLeukemia, Neutrophilic, ChronicMice, Inbred BALB CPhenotypeLeukemia, MyeloidMice, TransgenicFlow CytometrySarcoma Viruses, MurineHypereosinophilic SyndromeMegakaryocytesReceptor, Fibroblast Growth Factor, Type 1Cells, CulturedMoloney murine sarcoma virusPhiladelphia ChromosomeBlast CrisisCell Line, TumorAnemia, RefractoryGranulocytesMyelopoiesisCell LineLeukemia, Megakaryoblastic, AcuteHematologic NeoplasmsThrombopoietinProto-Oncogene Proteins c-cblPolycythemia