Mast-Cell SarcomaMastocytomaMastocytoma, SkinSarcoma, ExperimentalMice, Inbred DBAPhosphoadenosine PhosphosulfateUrticaria PigmentosaNeoplasms, ExperimentalMast CellsChondroitinHistidine DecarboxylaseHeparinPlasmacytomaCytotoxicity Tests, ImmunologicChymasesTumor Cells, CulturedSulfatesNeoplasm TransplantationDog DiseasesCytotoxicity, ImmunologicSulfotransferasesSRS-AProto-Oncogene Proteins c-kitLeukotriene C4Cell LineChondroitin SulfatesDogsMicrosomesAscitic FluidChromatography, GelIsoantibodiesImmunity, CellularAmidohydrolasesMice, Inbred StrainsSpleenT-Lymphocytes, CytotoxicMolecular Sequence DataCytoplasmic GranulesT-LymphocytesAntigens, NeoplasmMacrophage ActivationCell DivisionCell MembraneMice, Inbred C57BLAntigens, SurfaceMice, Inbred BALB CBase SequenceSerine EndopeptidasesAmino Acid SequenceArachidonic AcidsPolysaccharidesKineticsChromatography, AffinityLymphomaDNA, NeoplasmGraft RejectionNeoplasm ProteinsSubstrate SpecificityMolecular WeightCells, Cultured