Cellular MicroenvironmentTumor MicroenvironmentMicrotechnologyCell Culture TechniquesExtracellular MatrixTissue EngineeringCells, CulturedCell DifferentiationCell Line, TumorNeoplasmsStromal CellsNeovascularization, PathologicTumor BurdenCell ProliferationTumor EscapeLymphocytes, Tumor-InfiltratingNeoplasm MetastasisSignal TransductionTumor Markers, BiologicalCell HypoxiaCoculture TechniquesMice, Inbred C57BLCell MovementNeoplasms, ExperimentalGene Expression Regulation, NeoplasticCell CommunicationMice, SCIDTumor Necrosis Factor-alphaMice, NudeTransplantation, HeterologousDisease ProgressionNeoplasm TransplantationMammary Neoplasms, ExperimentalMelanoma, ExperimentalMice, Inbred BALB CBreast NeoplasmsXenograft Model Antitumor AssaysMyeloid CellsImmunotherapyBrain NeoplasmsFibroblastsNeoplasm InvasivenessCell Transformation, NeoplasticImmunohistochemistryFlow CytometryAntineoplastic AgentsModels, BiologicalParacrine CommunicationMice, TransgenicCarcinoma, Lewis LungReverse Transcriptase Polymerase Chain ReactionNeoplastic Stem CellsMammary Neoplasms, AnimalStem Cell NicheMacrophagesCell SurvivalGene Expression ProfilingOvarian NeoplasmsNeoplasm ProteinsAntigens, NeoplasmCytokinesAngiogenesis InhibitorsCancer VaccinesAdenocarcinomaT-LymphocytesApoptosisBone Marrow CellsPancreatic NeoplasmsDisease Models, AnimalMice, KnockoutSpheroids, CellularEndothelial CellsCulture Media, ConditionedGliomaGlioblastomaTumor Suppressor Protein p53T-Lymphocytes, RegulatoryMolecular Targeted TherapyDendritic CellsRNA, MessengerBlotting, WesternColonic NeoplasmsWilms TumorCell Growth ProcessesGenes, Tumor SuppressorCell AdhesionTumor Suppressor ProteinsBone NeoplasmsUp-RegulationSkin NeoplasmsCell DivisionEpithelial CellsHypoxia-Inducible Factor 1, alpha SubunitMelanomaPhenotypeCD8-Positive T-LymphocytesLung NeoplasmsAntibodies, MonoclonalInflammation