Tumor MicroenvironmentCell Line, TumorCellular MicroenvironmentNeoplasmsNeovascularization, PathologicStromal CellsTumor BurdenTumor Markers, BiologicalTumor EscapeCell ProliferationLymphocytes, Tumor-InfiltratingNeoplasm MetastasisNeoplasms, ExperimentalCell HypoxiaSignal TransductionTumor Necrosis Factor-alphaGene Expression Regulation, NeoplasticMice, Inbred C57BLMammary Neoplasms, ExperimentalCell MovementMelanoma, ExperimentalMice, NudeTransplantation, HeterologousCoculture TechniquesMice, SCIDDisease ProgressionMice, Inbred BALB CXenograft Model Antitumor AssaysImmunotherapyNeoplasm TransplantationBreast NeoplasmsBrain NeoplasmsCell CommunicationMyeloid CellsCell Transformation, NeoplasticAntineoplastic AgentsFibroblastsCarcinoma, Lewis LungNeoplasm InvasivenessImmunohistochemistryMammary Neoplasms, AnimalFlow CytometryAntigens, NeoplasmOvarian NeoplasmsMice, TransgenicNeoplasm ProteinsReverse Transcriptase Polymerase Chain ReactionParacrine CommunicationModels, BiologicalNeoplastic Stem CellsAdenocarcinomaWilms TumorCancer VaccinesAngiogenesis InhibitorsExtracellular MatrixTumor Suppressor Protein p53Gene Expression ProfilingMacrophagesPancreatic NeoplasmsCell SurvivalGenes, Tumor SuppressorTumor Suppressor ProteinsCytokinesColonic NeoplasmsGliomaGlioblastomaDisease Models, AnimalCells, CulturedApoptosisCarcinoid TumorT-LymphocytesCell DifferentiationT-Lymphocytes, RegulatoryBlotting, WesternRNA, MessengerMolecular Targeted TherapyMice, KnockoutSkin NeoplasmsEndothelial CellsSpheroids, CellularCell Growth ProcessesDendritic CellsNeuroendocrine TumorsAntibodies, MonoclonalFibrosarcomaCD8-Positive T-LymphocytesCulture Media, ConditionedUp-RegulationLiver NeoplasmsCell DivisionLung NeoplasmsHypoxia-Inducible Factor 1, alpha SubunitMelanomaBone NeoplasmsRNA, Small InterferingStem Cell NichePhenotypeCarcinoma, Squamous CellExosomesEpithelial-Mesenchymal Transition