Myeloproliferative DisordersPolycythemia VeraJanus Kinase 2Primary MyelofibrosisThrombocytosisThrombocythemia, EssentialLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemiaLeukemia, Myeloid, AcuteLeukemia, Myelomonocytic, JuvenileSplenomegalyFusion Proteins, bcr-ablLeukemia, Myelomonocytic, ChronicHematopoiesis, ExtramedullaryReceptors, ThrombopoietinGenes, ablBone MarrowLeukocytosisSTAT5 Transcription FactorOncogene Proteins, FusionHematopoietic Stem Cellsfms-Like Tyrosine Kinase 3Gene Expression Regulation, LeukemicBone Marrow TransplantationMutationLeukemia, Lymphocytic, Chronic, B-CellLeukemia, ExperimentalLeukemia, LymphoidCell Transformation, NeoplasticMyelodysplastic-Myeloproliferative DiseasesBone Marrow CellsRetroviridaeBenzamidesMyeloid CellsLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativeHematopoiesisPyrimidinesReceptors, ErythropoietinLeukemia Virus, MurineMutation, MissenseSignal TransductionMice, Inbred C57BLProtein-Tyrosine KinasesPiperazinesTransduction, GeneticTranslocation, GeneticDisease Models, AnimalPrecursor Cell Lymphoblastic Leukemia-LymphomaProto-Oncogene ProteinsBone Marrow NeoplasmsCell ProliferationLeukemia, Neutrophilic, ChronicLeukemia, Megakaryoblastic, AcuteMice, KnockoutLeukemia, B-CellMice, Inbred BALB CPhenotypeMoloney murine leukemia virusFlow CytometryLeukemia, T-CellLeukemia, Monocytic, AcuteCell LineMyelodysplastic SyndromesPhiladelphia ChromosomeMice, TransgenicCell Line, TumorLeukemia, Hairy CellCells, CulturedLeukemia L1210Sarcoma Viruses, MurineLeukemia Virus, BovineLeukemia Virus, FelineGranulocytesMegakaryocytesHypereosinophilic SyndromeKaryotypingLeukemia, MyeloidReceptor, Fibroblast Growth Factor, Type 1Moloney murine sarcoma virusAnemia, RefractoryLeukemia, Radiation-InducedMyelopoiesisCore Binding Factor Alpha 2 SubunitMyeloid-Lymphoid Leukemia ProteinAntineoplastic AgentsK562 CellsCytarabineChromosomes, Human, Pair 8ThrombopoietinLeukemia P388Proto-Oncogene Proteins c-bcrDown SyndromeLeukemia, Biphenotypic, AcuteProto-Oncogene Proteins c-cblBlast CrisisHematologic NeoplasmsAcute DiseasePolycythemiaFriend murine leukemia virusColony-Forming Units Assay