Myeloproliferative DisordersPolycythemia VeraJanus Kinase 2ThrombocytosisBlood PlateletsPrimary MyelofibrosisThrombocythemia, EssentialPlatelet AggregationLeukemia, Myelogenous, Chronic, BCR-ABL PositiveLeukemia, Myelomonocytic, JuvenileSplenomegalyLeukemia, Myelomonocytic, ChronicHematopoiesis, ExtramedullaryFusion Proteins, bcr-ablReceptors, ThrombopoietinPlatelet CountLeukocytosisGenes, ablOncogene Proteins, FusionSTAT5 Transcription FactorPlatelet AdhesivenessBone MarrowHematopoietic Stem Cellsfms-Like Tyrosine Kinase 3Bone Marrow TransplantationMutationPlatelet Membrane GlycoproteinsLeukemia, Myeloid, AcuteGene Expression Regulation, LeukemicBone Marrow CellsMyelodysplastic-Myeloproliferative DiseasesCell Transformation, NeoplasticPlatelet Factor 4BenzamidesPlatelet TransfusionMyeloid CellsLeukemiaHematopoiesisRetroviridaePyrimidinesMice, Inbred C57BLTranslocation, GeneticDisease Models, AnimalPiperazinesSignal TransductionMutation, MissenseMegakaryocytesReceptors, ErythropoietinPlatelet Activating FactorPlatelet Function TestsLeukemia, Myeloid, Chronic, Atypical, BCR-ABL NegativePlatelet Glycoprotein GPIIb-IIIa ComplexProtein-Tyrosine KinasesMice, KnockoutTransduction, GeneticPlatelet Glycoprotein GPIb-IX ComplexBone Marrow NeoplasmsPhenotypeCell ProliferationProto-Oncogene ProteinsThrombinMyelodysplastic SyndromesFlow CytometryMice, Inbred BALB CThrombocytopeniaLeukemia, Neutrophilic, ChronicMice, TransgenicThrombopoietinAdenosine DiphosphateCells, CulturedAntigens, Human PlateletThrombosisLeukemia, MyeloidSarcoma Viruses, MurineFibrinogenHypereosinophilic SyndromeCell LineReceptor, Fibroblast Growth Factor, Type 1GranulocytesBleeding TimeP-SelectinMoloney murine sarcoma virusLeukemia, Megakaryoblastic, AcuteAnemia, RefractoryThrombopoiesisChromosome AberrationsCell Line, TumorPhiladelphia ChromosomeMyelopoiesisKaryotypingBlast CrisisBlood Cell Countvon Willebrand FactorDown SyndromePolycythemiaPlatelet Membrane Glycoprotein IIbProto-Oncogene Proteins c-cblPlatelet Factor 3