TunicamycinDrug Resistance, NeoplasmMCF-7 CellsTamoxifenBreastBreast NeoplasmsCell Line, TumorEstrogen AntagonistsDrug Resistance, MultipleAntineoplastic Agents, HormonalGlucosamineGene Expression Regulation, NeoplasticDoxorubicinCell ProliferationCarcinoma, Ductal, BreastBreast DiseasesGlycosylationDrug ResistanceBreast FeedingAnti-Bacterial AgentsGlycoproteinsDrug Resistance, MicrobialEndoplasmic ReticulumCell LineSwainsonineReceptors, EstrogenMicrobial Sensitivity TestsBreast Neoplasms, MaleMutationMannosyl-Glycoprotein Endo-beta-N-AcetylglucosaminidaseMammographyTumor Cells, CulturedMannoseFibrocystic Breast DiseaseMolecular Sequence DataEndoplasmic Reticulum StressIndolizinesReceptor, erbB-2ApoptosisBreast ImplantsReceptors, ProgesteroneBreast Self-ExaminationAntineoplastic AgentsRNA, MessengerDrug Resistance, BacterialTime FactorsProtein Processing, Post-TranslationalMolecular WeightOligosaccharidesKineticsCells, CulturedBase SequenceAmino Acid SequenceNeoplasm ProteinsBlotting, WesternPrognosisElectrophoresis, Polyacrylamide GelCarcinoma, Intraductal, NoninfiltratingMastectomyTumor Markers, BiologicalImmunohistochemistryMonensinTransfectionNeoplasm InvasivenessCarcinoma, LobularSignal TransductionThapsigarginNeoplasm MetastasisTranscription Factor CHOPReverse Transcriptase Polymerase Chain ReactionUltrasonography, MammaryRisk FactorsMembrane ProteinsUnfolded Protein ResponseCase-Control StudiesGenes, BRCA1Cell MembraneTransferases (Other Substituted Phosphate Groups)Antibodies, MonoclonalGlycosidesDrug Resistance, Multiple, Bacterial1-DeoxynojirimycinCell DivisionAcetylglucosaminidaseAcetylglucosamineGene Expression ProfilingLymphatic MetastasisNeoplasm StagingHexosaminidasesDose-Response Relationship, DrugPolymerase Chain ReactionPhenotypeMembrane GlycoproteinsCarcinomaCricetinaeUridine Diphosphate N-AcetylglucosaminePostmenopauseCell SurvivalGlycoside HydrolasesTreatment Outcome