Cell CycleCell Line, TumorCell ProliferationCell Cycle ProteinsTumor Cells, CulturedCell DivisionApoptosisCell Cycle CheckpointsSignal TransductionCells, CulturedTumor Suppressor Protein p53Tumor Markers, BiologicalCell LineG1 PhaseNeoplasms, ExperimentalCell SurvivalRNA, MessengerTumor BurdenFlow CytometryTumor Suppressor ProteinsTumor Necrosis Factor-alphaNeoplasmsMitosisCell DifferentiationS PhaseGene Expression Regulation, NeoplasticImmunohistochemistryCyclinsPhosphorylationBlotting, WesternMice, NudeTime FactorsMolecular Sequence DataAntineoplastic AgentsMice, Inbred C57BLReverse Transcriptase Polymerase Chain ReactionTransfectionMice, Inbred BALB CNeoplasm ProteinsCyclin-Dependent Kinase Inhibitor p21Cell MovementCyclin-Dependent Kinase Inhibitor p27MutationGenes, Tumor SuppressorNeoplasm TransplantationNeoplasm MetastasisRetinoblastoma ProteinBreast NeoplasmsCell Transformation, NeoplasticDNA-Binding ProteinsRNA, Small InterferingDown-RegulationNeovascularization, PathologicXenograft Model Antitumor AssaysCyclin D1Transcription FactorsMammary Neoplasms, ExperimentalBase SequenceProtein-Serine-Threonine KinasesTransplantation, HeterologousG2 PhaseBrain NeoplasmsAdenocarcinomaDose-Response Relationship, DrugColonic NeoplasmsBromodeoxyuridineGene Expression RegulationGene ExpressionFibroblastsModels, BiologicalCarcinoma, Ehrlich TumorAntigens, NeoplasmWilms TumorKi-67 AntigenCell Growth ProcessesUp-RegulationMice, TransgenicGene Expression ProfilingProto-Oncogene ProteinsTumor MicroenvironmentTranscription, GeneticMenstrual CycleMice, SCIDAntibodies, MonoclonalDNA, NeoplasmDNALymphocyte ActivationAmino Acid SequenceCell NucleusProliferating Cell Nuclear AntigenFibrosarcomaG0 PhaseRNA InterferenceNeoplastic Cells, CirculatingDNA DamagePhenotypeMice, KnockoutG2 Phase Cell Cycle CheckpointsCarcinoid TumorG1 Phase Cell Cycle Checkpoints