Proteasome InhibitorsProteasome Endopeptidase ComplexLeupeptinsBoronic AcidsPyrazinesCysteine Proteinase InhibitorsCysteine EndopeptidasesMultienzyme ComplexesProtease InhibitorsAcetylcysteineUbiquitinsUbiquitinApoptosisOligopeptidesAntineoplastic AgentsCell Line, TumorUbiquitinationLactonesMultiple MyelomaProteolysisCell LineUbiquitinated ProteinsNF-kappa BDrug SynergismPeptide HydrolasesPolyubiquitinBlotting, WesternEnzyme InhibitorsUbiquitin-Protein LigasesDown-RegulationDose-Response Relationship, DrugChymotrypsinTumor Cells, CulturedThiostreptonDrug Resistance, NeoplasmCaspasesProtein Processing, Post-TranslationalI-kappa B ProteinsTreatment OutcomeSignal TransductionCell SurvivalCells, CulturedEndoplasmic ReticulumProtein SubunitsTime FactorsHeLa CellsTransfectionProto-Oncogene Proteins c-bcl-2Xenograft Model Antitumor AssaysProtein BindingRNA, Small InterferingEnzyme ActivationMolecular Sequence DataPhosphorylationImmunoblottingRNA, MessengerAmino Acid SequenceMutationPyrrolesClioquinolCell DeathCell ProliferationCell CycleMyeloid Cell Leukemia Sequence 1 ProteinUbiquitin-Conjugating EnzymesUbiquitin-Activating EnzymesCaspase 3CalpainProtein TransportProtein Synthesis InhibitorsProteinsProtein StabilityNeoplasmsDipeptidesDrug Screening Assays, AntitumorAutophagyButanesTumor Suppressor Protein p53EndopeptidasesDNA-Binding ProteinsCyclin-Dependent Kinase Inhibitor p27Apoptosis Regulatory ProteinsModels, BiologicalLactams, MacrocyclicCell Cycle ProteinsCell NucleusCOS CellsReverse Transcriptase Polymerase Chain ReactionHEK293 CellsBenzoquinonesHydrolysisUp-RegulationGene Expression RegulationTNF-Related Apoptosis-Inducing LigandUnfolded Protein ResponseRNA InterferenceNeoplasm ProteinsImmunoprecipitationHSP90 Heat-Shock ProteinsMice, Nude