2017
Mitochondrial ROS activates ERK/autophagy pathway as a protected mechanism against deoxypodophyllotoxin-induced apoptosis
Kim SH, Kim KY, Park SG, Yu SN, Kim YW, Nam HW, An HH, Kim YW, Ahn SC. Mitochondrial ROS activates ERK/autophagy pathway as a protected mechanism against deoxypodophyllotoxin-induced apoptosis. Oncotarget 2017, 5: 111581-111596. PMID: 29340076, PMCID: PMC5762344, DOI: 10.18632/oncotarget.22875.Peer-Reviewed Original ResearchMitochondrial reactive oxygen speciesReactive oxygen speciesCell death responseMultiple cellular processesProtein 1 light chain 3Apoptotic prostate cancer cellsSelective fluorescent dyeMicrotubule-associated protein 1 light chain 3Acidic vesicular organellesMitochondrial membrane potentialG2/M cell cycle arrestM cell cycle arrestCell cycle arrestLight chain 3LC3 knockdownCellular processesDeath responseInhibition of autophagyApoptosis-related proteinsVesicular organellesAutophagy pathwayMolecular mechanismsCellular responsesProstate cancer cell linesProstate cancer cellsInhibition of Autophagy Promotes Salinomycin-Induced Apoptosis via Reactive Oxygen Species-Mediated PI3K/AKT/mTOR and ERK/p38 MAPK-Dependent Signaling in Human Prostate Cancer Cells
Kim K, Park K, Kim S, Yu S, Park S, Kim Y, Seo Y, Ma J, Ahn S. Inhibition of Autophagy Promotes Salinomycin-Induced Apoptosis via Reactive Oxygen Species-Mediated PI3K/AKT/mTOR and ERK/p38 MAPK-Dependent Signaling in Human Prostate Cancer Cells. International Journal Of Molecular Sciences 2017, 18: 1088. PMID: 28524116, PMCID: PMC5454997, DOI: 10.3390/ijms18051088.Peer-Reviewed Original ResearchMeSH KeywordsApoptosisAutophagyCell ProliferationExtracellular Signal-Regulated MAP KinasesFlavonoidsHumansImidazolesMaleMAP Kinase Signaling SystemMembrane Potential, MitochondrialP38 Mitogen-Activated Protein KinasesPhosphatidylinositol 3-KinasesPhosphoinositide-3 Kinase InhibitorsProto-Oncogene Proteins c-aktPyransPyridinesReactive Oxygen SpeciesTOR Serine-Threonine KinasesConceptsExtracellular signal-regulated kinasePI3K/Akt/mTORProstate cancer cellsAkt/mTORCancer cellsP38 MAPK-dependent signalingUpregulation of ERKSignal-regulated kinaseMAPK-dependent signalingP38 MAPK signaling pathwaysMitochondrial membrane potentialMAPK signaling pathwaysChemo-resistant cancersHuman prostate cancer cellsReactive oxygen species productionInhibition of autophagyPI3K inhibitorsPotential antitumor mechanismAcridine orange stainingCaspase-3 activityOxygen species productionSignaling pathwaysP38 inhibitorPropidium iodide assayMTOR activitySalinomycin Induces Reactive Oxygen Species and Apoptosis in Aggressive Breast Cancer Cells as Mediated with Regulation of Autophagy
Kim K, Park K, Kim S, Yu S, Lee D, Kim Y, Noh K, YEUL J, Seo Y, Ahn S. Salinomycin Induces Reactive Oxygen Species and Apoptosis in Aggressive Breast Cancer Cells as Mediated with Regulation of Autophagy. Anticancer Research 2017, 37: 1747-1758. PMID: 28373437, DOI: 10.21873/anticanres.11507.Peer-Reviewed Original ResearchConceptsMDA-MB-231 cellsAggressive breast cancer cellsBreast cancer cellsCancer cellsReactive oxygen speciesBreast cancer cell linesROS productionMitochondrial membrane potentialScavenger of ROSInduces reactive oxygen speciesCancer cell linesCaspase-3/9 activityPropidium iodide stainingMCF-7 cellsOxygen speciesAcceleration of apoptosisAcridine orange stainingAutophagy inhibitionMonocarboxylic ionophoreChemotherapeutic drugsCancer treatmentMitochondrial dysfunctionIodide stainingRegulation of autophagyUnderlying mechanism
2016
Toyocamycin induces apoptosis via the crosstalk between reactive oxygen species and p38/ERK MAPKs signaling pathway in human prostate cancer PC-3 cells
Park S, Kim S, Kim K, Yu S, Choi H, Kim Y, Nam H, Seo Y, Ahn S. Toyocamycin induces apoptosis via the crosstalk between reactive oxygen species and p38/ERK MAPKs signaling pathway in human prostate cancer PC-3 cells. Pharmacological Reports 2016, 69: 90-96. PMID: 27912102, DOI: 10.1016/j.pharep.2016.10.014.Peer-Reviewed Original ResearchConceptsProstate cancer PC-3 cellsPC-3 cellsCancer PC-3 cellsOxygen species productionROS productionERK MAPKNon-malignant RWPE-1 cellsExtracellular signal-regulated kinase (ERK) activityMitochondrial dysfunctionSpecies productionMitochondrial membrane potentialCell cycle arrestHuman prostate cancer PC-3 cellsReactive oxygen species productionCell viabilityRWPE-1 cellsProtein kinaseStreptomyces speciesKinase activityReactive oxygen speciesERK activationMolecular mechanismsP38 activationMAPK proteinsApoptotic effectsSalinomycin simultaneously induces apoptosis and autophagy through generation of reactive oxygen species in osteosarcoma U2OS cells
Kim S, Choi Y, Kim K, Yu S, Seo Y, Chun S, Noh K, Suh J, Ahn S. Salinomycin simultaneously induces apoptosis and autophagy through generation of reactive oxygen species in osteosarcoma U2OS cells. Biochemical And Biophysical Research Communications 2016, 473: 607-613. PMID: 27033598, DOI: 10.1016/j.bbrc.2016.03.132.Peer-Reviewed Original ResearchConceptsAcidic vesicular organellesReactive oxygen speciesMitochondrial membrane potentialChange of MMPOsteosarcoma U2OS cellsInhibition of autophagyU2OS cellsExpression of apoptosisCancer cell linesOxygen speciesFlow cytometryWestern blottingCaspase-3Cancer therapyVesicular organellesPoly (ADP-ribose) polymerase
2013
Lasalocid induces apoptosis via the cell cycle arrest and ROS‐mediated mitochondrial pathway in prostate cancer PC‐3 cells
Kim K, Kim S, Yu S, Park S, Kong2 I, Ahn S. Lasalocid induces apoptosis via the cell cycle arrest and ROS‐mediated mitochondrial pathway in prostate cancer PC‐3 cells. The FASEB Journal 2013, 27: lb206-lb206. DOI: 10.1096/fasebj.27.1_supplement.lb206.Peer-Reviewed Original ResearchProstate cancer cellsHuman prostate cancer cellsCancer cellsPC-3 cellsCaspase-3 substrateMitochondrial membrane hyperpolarizationCaspase-dependent apoptosisMitochondrial membrane potentialCell cycle arrestProstate cancer PC-3 cellsCancer PC-3 cellsMitochondrial pathwayIntracellular ROS levelsTriggers apoptosisLevels of BaxPARP-1Cycle arrestSignal pathwayAssociated signal pathwayROS levelsCaspase-3Bcl-2ApoptosisElevated oxidative stressMembrane potentialSilibinin induces endoplasmic reticulum stress‐mediated and mitochondrial‐mediated apoptosis through disruption of Ca2+ homeostasis in human prostate cancer PC‐3 cells
Kim S, Kim K, Yu S, Park S, Kong I, Ahn S. Silibinin induces endoplasmic reticulum stress‐mediated and mitochondrial‐mediated apoptosis through disruption of Ca2+ homeostasis in human prostate cancer PC‐3 cells. The FASEB Journal 2013, 27: lb103-lb103. DOI: 10.1096/fasebj.27.1_supplement.lb103.Peer-Reviewed Original ResearchPC-3 cellsHuman prostate cancer PC-3 cellsProstate cancer PC-3 cellsSilibinin-induced apoptosisCancer PC-3 cellsER stress-related proteinsStress-related proteinsReactive oxygen speciesER stressDNA damage-inducible gene 153Cancer cellsRWPE-1 cellsChelator BAPTA/AMProstate cancer cellsDrug-induced lethalityGlucose-regulated protein 78Mitochondrial-mediated apoptosisFlow cytometric analysisMitochondrial membrane potentialApoptosis-related proteinsBAPTA/AMCancer cell linesSilibinin treatmentChemopreventive effectsDisruption of Ca2Interplay of reactive oxygen species, intracellular Ca2+ and mitochondrial homeostasis in the apoptosis of prostate cancer cells by deoxypodophyllotoxin
Kim K, Cho H, Yu S, Kim S, Yu H, Park Y, Mirkheshti N, Kim S, Song C, Chatterjee B, Ahn S. Interplay of reactive oxygen species, intracellular Ca2+ and mitochondrial homeostasis in the apoptosis of prostate cancer cells by deoxypodophyllotoxin. Journal Of Cellular Biochemistry 2013, 114: 1124-1134. PMID: 23192945, DOI: 10.1002/jcb.24455.Peer-Reviewed Original ResearchMeSH KeywordsApoptosisBcl-2-Associated X ProteinCalciumCaspase 3Cell Line, TumorCell ProliferationCell SurvivalCytochromes cDrug Screening Assays, AntitumorDrugs, Chinese HerbalEgtazic AcidEnzyme ActivationG2 Phase Cell Cycle CheckpointsHomeostasisHumansIntracellular SpaceM Phase Cell Cycle CheckpointsMaleMembrane Potential, MitochondrialMitochondriaModels, BiologicalPodophyllotoxinProstatic NeoplasmsProtein TransportReactive Oxygen SpeciesConceptsReactive oxygen speciesMitochondrial homeostasisProstate cancer cellsCaspase-3-dependent pathwayCytochrome c releasePC-3 cell modelBax protein translocationTurn induced apoptosisCancer cellsMitochondrial membrane potentialOxygen speciesCaspase-3 activationN-acetylcysteineIncrease of ROSProtein translocationProstate cancerHuman prostate cancer cellsGeneration of ROSC releaseAntioxidant N-acetylcysteineNew anti-neoplastic agentsROS accumulationMitochondrial functionRecurrent prostate cancerLimited treatment options