OsteosarcomaBone NeoplasmsAntigensAntigens, NeoplasmAntigens, BacterialAntigens, SurfaceCell Line, TumorAntigens, ViralTumor Markers, BiologicalOsteosarcoma, JuxtacorticalTumor BurdenTumor Necrosis Factor-alphaAntigens, Polyomavirus TransformingFemoral NeoplasmsAntigens, ProtozoanNeoplasms, ExperimentalAntibodies, MonoclonalMice, Inbred BALB CHLA AntigensTumor Suppressor Protein p53Antigens, Viral, TumorCarcinoembryonic AntigenWilms TumorNeoplasm MetastasisAntigens, FungalAntigens, CDGenes, Tumor SuppressorCell ProliferationH-2 AntigensAntigens, HelminthCell LineMolecular Sequence DataRNA, MessengerCarcinoid TumorTransplantation, HeterologousTumor Suppressor ProteinsProliferating Cell Nuclear AntigenMice, Inbred C57BLImmunohistochemistryBrain NeoplasmsNeoplasm ProteinsReceptors, Antigen, T-CellT-LymphocytesNeuroendocrine TumorsGene Expression Regulation, NeoplasticCell DivisionImmunoenzyme TechniquesHLA-DR AntigensEnzyme-Linked Immunosorbent AssayMice, NudeNeovascularization, PathologicEpitopesTime FactorsXenograft Model Antitumor AssaysHistocompatibility AntigensBlotting, WesternTumor MicroenvironmentBase SequenceReverse Transcriptase Polymerase Chain ReactionFlow CytometrySarcoma, ExperimentalDog DiseasesProstate-Specific AntigenAdenocarcinomaMammary Neoplasms, ExperimentalAntigens, Tumor-Associated, CarbohydrateHistocompatibility Antigens Class IINeoplasmsSignal TransductionNeoplasm Recurrence, LocalCells, CulturedLung NeoplasmsTumor Cells, CulturedTransfectionCell Transformation, NeoplasticReceptors, Antigen, B-CellSarcoma, EwingTreatment OutcomeHLA-A2 AntigenApoptosisDoxorubicinFluorescent Antibody TechniqueAmino Acid SequenceO AntigensAntineoplastic AgentsImmunoglobulin GAntigens, CD15Colonic NeoplasmsAntigens, CD8Neoplasm TransplantationLymphocyte ActivationMice, SCIDOsteoblastomaMutationPrognosisLeg BonesNeoplasm StagingAntigens, CD3DNA, NeoplasmHLA-A Antigens