2025
The molecular determinants regulating redox signaling in diabetic endothelial cells
Srivastava S, Kopasz-Gemmen O, Thurman A, Rajendran B, Selvam M, Kumar S, Srivastava R, Suresh M, Kumari R, Goodwin J, Inoki K. The molecular determinants regulating redox signaling in diabetic endothelial cells. Frontiers In Pharmacology 2025, 16: 1563047. PMID: 40290438, PMCID: PMC12023289, DOI: 10.3389/fphar.2025.1563047.Peer-Reviewed Original ResearchReactive oxygen speciesProcess of oxidative phosphorylationAberrant activation of mTOR signalingNutrient-sensing kinaseCellular signaling pathwaysCellular ROS levelsLoss of AMPKOxygen speciesActivation of mTOR signalingReactive oxygen species productionIncreased ROSTranscription of pro-inflammatory cytokinesActivation of MAPKCell powerhouseGenerate ATPCell oxidative statusRenal endothelial cellsOxidative phosphorylationRedox signalingDamaged DNASignaling pathwayMolecular determinantsMTOR signalingPI3KAberrant activationP-551. The Effects of Antiretroviral Therapy on Immune Activation, Inflammation, Cellular Changes and Clinical Outcomes in Elite Controllers
Chan E, Zhou L, Emu B, Paintsil E, Barakat L. P-551. The Effects of Antiretroviral Therapy on Immune Activation, Inflammation, Cellular Changes and Clinical Outcomes in Elite Controllers. Open Forum Infectious Diseases 2025, 12: ofae631.750. PMCID: PMC11777457, DOI: 10.1093/ofid/ofae631.750.Peer-Reviewed Original ResearchEffects of antiretroviral therapyAntiretroviral therapyElite controllersViral loadIL-6Inflammatory markersImmune activationReactive oxygen speciesReactive oxygen species productionAdverse effects of ARTMitochondrial membrane potentialBenefits of antiretroviral therapyAntiretroviral Therapy ToxicitiesInflammatory markers IL-6Antiretroviral therapy groupHIV viral loadMembrane potentialCurrent published dataUtilization of antiretroviral therapyCellular inflammatory markersCompared to baselineViremic controllersClinical outcomesCRP decreaseLevels of mtDNA deletions
2024
Understanding the significance of oxygen tension on the biology of Plasmodium falciparum blood stages: From the human body to the laboratory
Nahid D, Coffey K, Bei A, Cordy R. Understanding the significance of oxygen tension on the biology of Plasmodium falciparum blood stages: From the human body to the laboratory. PLOS Pathogens 2024, 20: e1012514. PMID: 39298535, PMCID: PMC11412506, DOI: 10.1371/journal.ppat.1012514.Peer-Reviewed Original ResearchConceptsRed blood cellsIntraerythrocytic developmentReactive oxygen speciesPlasmodium falciparum blood stagesMultiple organ systemsP. falciparum mitochondrionStatus of hemoglobinBlood stagesPlasmodium falciparumReactive oxygen species productionO2-sensing mechanismIn vitro experimentsPlasmodiumBlood cellsOxygenation statusOrgan systemsFunctional changesParasite growthOxidative stressOxygen tensionMosquito hostCulture systemDeep tissuesOxygen species
2021
Desmosterol suppresses macrophage inflammasome activation and protects against vascular inflammation and atherosclerosis
Zhang X, McDonald JG, Aryal B, Canfrán-Duque A, Goldberg EL, Araldi E, Ding W, Fan Y, Thompson BM, Singh AK, Li Q, Tellides G, Ordovás-Montanes J, García Milian R, Dixit VD, Ikonen E, Suárez Y, Fernández-Hernando C. Desmosterol suppresses macrophage inflammasome activation and protects against vascular inflammation and atherosclerosis. Proceedings Of The National Academy Of Sciences Of The United States Of America 2021, 118: e2107682118. PMID: 34782454, PMCID: PMC8617522, DOI: 10.1073/pnas.2107682118.Peer-Reviewed Original ResearchConceptsCholesterol biosynthetic intermediatesBiosynthetic intermediatesDependent inflammasome activationSingle-cell transcriptomicsMitochondrial reactive oxygen species productionFoam cell formationMacrophage foam cellsReactive oxygen species productionHuman coronary artery lesionsConversion of desmosterolTranscriptomic analysisMacrophage cholesterol metabolismPhysiological contextOxygen species productionLiver X receptor ligandsApoptosis-associated speck-like proteinRetinoid X receptor activationX receptor ligandsInflammasome activationAtherosclerotic plaquesSpeck-like proteinCholesterol homeostasisMacrophage inflammasome activationKey moleculesCell formation
2020
Influenza Virus-Induced Oxidized DNA Activates Inflammasomes
Moriyama M, Nagai M, Maruzuru Y, Koshiba T, Kawaguchi Y, Ichinohe T. Influenza Virus-Induced Oxidized DNA Activates Inflammasomes. IScience 2020, 23: 101270. PMID: 32592999, PMCID: PMC7293844, DOI: 10.1016/j.isci.2020.101270.Peer-Reviewed Original ResearchPB1-F2 proteinOxidized DNAViral proteinsMitochondrial reactive oxygen species productionDNA releaseInfluenza virus M2IL-1β secretionMitochondrial ROS productionIon channel activityReactive oxygen species productionMitochondrial localizationIntracellular ionic balanceAntioxidant Mito-TEMPOOxygen species productionNLRP3 inflammasome activationVirus M2Inflammasome activationM2 proteinReceptor familyNOD-like receptor familyProteinInfluenza viral proteinsMito-TEMPOChannel activityROS productionThe Protective Effects of Calcineurin on Pancreatitis in Mice Depend on the Cellular Source
Wen L, Javed TA, Dobbs AK, Brown R, Niu M, Li L, Khalid A, Barakat M, Xiao X, Yimlamai D, Konnikova L, Yu M, Byersdorfer CA, Husain SZ. The Protective Effects of Calcineurin on Pancreatitis in Mice Depend on the Cellular Source. Gastroenterology 2020, 159: 1036-1050.e8. PMID: 32445858, PMCID: PMC7502475, DOI: 10.1053/j.gastro.2020.05.051.Peer-Reviewed Original ResearchMeSH KeywordsAcinar CellsAcute Lung InjuryAnimalsBone Marrow CellsCalcineurinCalcineurin InhibitorsCalcium-Binding ProteinsCells, CulturedCeruletideCytokinesDisease Models, AnimalFemaleHumansMaleMiceMice, TransgenicMuscle ProteinsNeutrophilsNFATC Transcription FactorsPancreasPancreatitisPrimary Cell CultureConceptsAdministration of caeruleinLocal pancreatic inflammationBiliopancreatic ductPancreas-specific deletionLung inflammationPancreatic inflammationAcute pancreatitisControl miceNeutrophil chemotaxisProtective effectHematopoietic-specific deletionPancreatic acinar cell necrosisPrevention of pancreatitisLevels of cytokinesAcinar cell necrosisSwiss Webster miceActivated T cellsAdeno-associated virus vectorPrimary pancreatic acinar cellsReactive oxygen species productionNFAT-luciferaseSevere pancreatitisCalcineurin inhibitorsNeutrophil expressionPancreatic acinar cellsIntegrin-mediated adhesions in regulation of cellular senescence
Shin EY, Park JH, You ST, Lee CS, Won SY, Park JJ, Kim HB, Shim J, Soung NK, Lee OJ, Schwartz MA, Kim EG. Integrin-mediated adhesions in regulation of cellular senescence. Science Advances 2020, 6: eaay3909. PMID: 32494696, PMCID: PMC7202880, DOI: 10.1126/sciadv.aay3909.Peer-Reviewed Original ResearchConceptsClathrin-mediated endocytosisCellular senescenceG protein-coupled receptor kinasesProtein-coupled receptor kinasesElevated reactive oxygen species (ROS) productionIntegrin-mediated adhesionIntegrin endocytosisAmphiphysin 1Exchange factorReactive oxygen species productionReceptor kinaseOxygen species productionMolecular mechanismsCalpain cleavageSenescenceCell adhesionDirect competitionHuman fibroblastsGIT levelsSpecies productionΒPixNew therapeutic directionIntegrinsEndocytosisCentral rolePioglitazone activates paraoxonase-2 in the brain: A novel neuroprotective mechanism
Blackburn JK, Curry DW, Thomsen AN, Roth RH, Elsworth JD. Pioglitazone activates paraoxonase-2 in the brain: A novel neuroprotective mechanism. Experimental Neurology 2020, 327: 113234. PMID: 32044330, PMCID: PMC7089823, DOI: 10.1016/j.expneurol.2020.113234.Peer-Reviewed Original ResearchConceptsParaoxonase 2Novel neuroprotective mechanismParaoxonase-2 expressionAnti-diabetic drug pioglitazoneReactive oxygen species productionNeuroprotective strategiesNeuroprotective mechanismsBrain traumaMouse striatumOxygen species productionParkinson's diseaseAlzheimer's diseaseTherapeutic potentialPioglitazoneDiseaseOxidative stressDrug pioglitazoneSpecies productionBrainNeuroprotectionIschemiaStriatumExpressionPathologyTrauma
2019
Short AIP1 (ASK1-Interacting Protein-1) Isoform Localizes to the Mitochondria and Promotes Vascular Dysfunction
Li Z, Li L, Zhang H, Zhou HJ, Ji W, Min W. Short AIP1 (ASK1-Interacting Protein-1) Isoform Localizes to the Mitochondria and Promotes Vascular Dysfunction. Arteriosclerosis Thrombosis And Vascular Biology 2019, 40: 112-127. PMID: 31619063, PMCID: PMC7204498, DOI: 10.1161/atvbaha.119.312976.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAorta, ThoracicApoptosisArteriosclerosisBlotting, WesternCells, CulturedDisease Models, AnimalDNAEndothelium, VascularGene Expression RegulationGenome-Wide Association StudyHumansMiceMice, Inbred C57BLMice, TransgenicMicroscopy, FluorescenceMitochondriaras GTPase-Activating ProteinsSignal TransductionConceptsN-terminal pleckstrin homology domainHuman genome-wide association studiesGenome-wide association studiesPleckstrin homology domainMitochondrial reactive oxygen species generationEndothelial cellsH3K9 trimethylationHomology domainReactive oxygen species productionOxygen species productionReactive oxygen speciesReactive oxygen species generationAssociation studiesRegulatory factorsEpigenetic inhibitionEC activationOxygen species generationDependent pathwayVascular endothelial cellsProteolytic degradationSpecies productionOxygen speciesVascular homeostasisMitochondriaSpecies generationLipopolysaccharide-Stimulated Human Fetal Membranes Induce Neutrophil Activation and Release of Vital Neutrophil Extracellular Traps.
Tong M, Potter JA, Mor G, Abrahams VM. Lipopolysaccharide-Stimulated Human Fetal Membranes Induce Neutrophil Activation and Release of Vital Neutrophil Extracellular Traps. The Journal Of Immunology 2019, 203: 500-510. PMID: 31167775, PMCID: PMC6616008, DOI: 10.4049/jimmunol.1900262.Peer-Reviewed Original ResearchConceptsNeutrophil extracellular trapsNeutrophil recruitmentFetal membranesReactive oxygen species productionPreterm birthExtracellular trapsOxygen species productionCytokine/chemokine secretionChemokine/cytokine productionMajor risk factorSpecies productionBacterial LPS stimulationNeutrophil infiltrationProinflammatory factorsFetal interfaceChemokine secretionNeonatal mortalityCytokine productionNeutrophil activationRisk factorsTissue injuryNeutrophil viabilityLPS stimulationEx vivoNET formationMitochondrial unfolded protein response: a stress response with implications for fertility and reproductive aging
Seli E, Wang T, Horvath TL. Mitochondrial unfolded protein response: a stress response with implications for fertility and reproductive aging. Fertility And Sterility 2019, 111: 197-204. PMID: 30691623, DOI: 10.1016/j.fertnstert.2018.11.048.Peer-Reviewed Original ResearchConceptsMitochondrial unfolded protein responseTwo-cell embryo developmentUnfolded protein responseImpaired oocyte maturationMorphology of mitochondriaMitochondrial dysfunction resultsPremature reproductive agingNovel mechanistic insightsMitochondrial DNA contentReactive oxygen species productionPrevention of agingCLPP resultsProtein responseOxygen species productionReproductive agingPreimplantation embryosAge-related accumulationOxidative phosphorylationStress responseEmbryo developmentForm blastocystsMitochondrial functionMitochondriaMitochondrial dysfunctionEnergy metabolism
2018
Salinomycin ameliorates oxidative hepatic damage through AMP-activated protein kinase, facilitating autophagy
Kim K, Lee S, Baek S, Lee E, Jang E, Lee J, Ahn S, Chang J, Oh T, Kim S, Ma J, Kim S, Park K, Kim Y. Salinomycin ameliorates oxidative hepatic damage through AMP-activated protein kinase, facilitating autophagy. Toxicology And Applied Pharmacology 2018, 360: 141-149. PMID: 30290169, DOI: 10.1016/j.taap.2018.10.002.Peer-Reviewed Original ResearchConceptsImportance of AMPKMitochondrial dysfunctionAcidic vesicle organellesOxidative stressProtein kinase activationReactive oxygen species productionProtein kinaseAMPK inhibitionKinase activationSevere oxidative stressOxygen species productionLiver injuryMolecular mechanismsIron-induced apoptosisHepatic protectantStreptomyces albusHuman diseasesAMPKCellular mechanismsLC3-IISalinomycin's effectsArachidonic acidMitochondrial impairmentROS productionAnti-cancer agentsImaging the Effects of &bgr;-Hydroxybutyrate on Peri-Infarct Neurovascular Function and Metabolism
Bazzigaluppi P, Lake EM, Beckett TL, Koletar MM, Weisspapir I, Heinen S, Mester J, Lai A, Janik R, Dorr A, McLaurin J, Stanisz GJ, Carlen PL, Stefanovic B. Imaging the Effects of &bgr;-Hydroxybutyrate on Peri-Infarct Neurovascular Function and Metabolism. Stroke 2018, 49: 2173-2181. PMID: 30354983, DOI: 10.1161/strokeaha.118.020586.Peer-Reviewed Original ResearchMeSH Keywords3-Hydroxybutyric AcidAcetoacetatesAnimalsAstrocytesBlood GlucoseBrainBrain IschemiaCell DeathCerebrovascular CirculationDisease Models, AnimalElectrophysiological PhenomenaEndothelin-1HemodynamicsMagnetic Resonance ImagingMagnetic Resonance SpectroscopyMicroinjectionsNeuronsRatsReactive Oxygen SpeciesSensorimotor CortexConceptsBody β-hydroxybutyrateFunctional recoveryMagnetic resonance imagingIschemic insultNeuronal deathResonance imagingFocal cortical strokeVehicle-administered animalsNeurological deficit scoresKetone body β-hydroxybutyrateNeuronal glucose uptakeContinuous arterial spinReduced oxidative stressPurpose Recent evidenceReactive oxygen species productionCortical microinjectionsCortical strokePostischemic hyperglycemiaDeficit scoresNeurovascular functionAcute phaseCerebrovascular reactivitySensorimotor cortexCerebral hemodynamicsEndothelin-1
2017
Hydrophilic Acylated Surface Protein A (HASPA) of Leishmania donovani: Expression, Purification and Biophysico-Chemical Characterization
Kumar M, Ranjan K, Singh V, Pathak C, Pappachan A, Singh DD. Hydrophilic Acylated Surface Protein A (HASPA) of Leishmania donovani: Expression, Purification and Biophysico-Chemical Characterization. The Protein Journal 2017, 36: 343-351. PMID: 28634775, DOI: 10.1007/s10930-017-9726-x.Peer-Reviewed Original ResearchConceptsMouse macrophage RAW264.7 cell lineRAW264.7 cell lineSurface protein AMacrophage RAW264.7 cell lineReactive oxygen species productionSurface proteinsOxygen species productionLeishmania parasitesLeishmania donovaniLeishmania proteinsDrug developmentSpecies productionCell linesCo-immunoprecipitation studiesPresent studyInfective stagesFurther researchProtein AMacrophage proteinInhibition 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 activityLasalocid induces cytotoxic apoptosis and cytoprotective autophagy through reactive oxygen species in human prostate cancer PC-3 cells
Kim K, Kim S, Yu S, Park S, Kim Y, Nam H, An H, Yu H, Kim Y, Ji J, Seo Y, Ahn S. Lasalocid induces cytotoxic apoptosis and cytoprotective autophagy through reactive oxygen species in human prostate cancer PC-3 cells. Biomedicine & Pharmacotherapy 2017, 88: 1016-1024. PMID: 28178613, DOI: 10.1016/j.biopha.2017.01.140.Peer-Reviewed Original ResearchConceptsProstate cancer cellsHuman prostate cancer cellsAcidic vesicular organelles (AVOs) formationApoptotic cell death pathwayCancer cellsCell death pathwaysProtein 1 light chain 3Cell cycle arrestLight chain 3Human prostate cancer PC-3 cellsProstate cancer PC-3 cellsReactive oxygen species productionPossible signal pathwaysCancer PC-3 cellsInhibition of autophagyOrganelle formationDeath pathwaysNew potential chemotherapeutic agentsReactive oxygen speciesOxygen species productionMitochondrial hyperpolarizationMolecular mechanismsPotential chemotherapeutic agentProduction of ROSCytoprotective autophagy
2016
Monensin Induces PC-3 Prostate Cancer Cell Apoptosis via ROS Production and Ca2+ Homeostasis Disruption
KIM S, KIM K, YU S, PARK S, YU H, SEO Y, AHN S. Monensin Induces PC-3 Prostate Cancer Cell Apoptosis via ROS Production and Ca2+ Homeostasis Disruption. Anticancer Research 2016, 36: 5835-5843. PMID: 27793906, DOI: 10.21873/anticanres.11168.Peer-Reviewed Original ResearchConceptsCell cycle arrestApoptosis-related proteinsCell cycleCancer cellsPoly ADP-ribose polymerase (PARP) cleavageADP-ribose polymerase cleavageDisruption of CaProstate cancer cell apoptosisRibose polymerase cleavagePhase cell cycle arrestHuman prostate cancer cellsCell viabilityReactive oxygen species productionCancer cell apoptosisAnticancer effectsOxygen species productionMitochondrial ROS inhibitorProduction of ROSMitochondrial ROSDependent apoptosisProstate cancer cellsProstate cell linesPolymerase cleavageCell growth inhibitionPC-3 cellsToyocamycin 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 effects
2015
Autophagy inhibition enhances silibinin-induced apoptosis by regulating reactive oxygen species production in human prostate cancer PC-3 cells
Kim S, Kim K, Yu S, Park S, Choi H, Ji J, Ahn S. Autophagy inhibition enhances silibinin-induced apoptosis by regulating reactive oxygen species production in human prostate cancer PC-3 cells. Biochemical And Biophysical Research Communications 2015, 468: 151-156. PMID: 26522224, DOI: 10.1016/j.bbrc.2015.10.143.Peer-Reviewed Original ResearchConceptsPC-3 cellsProstate cancer PC-3 cellsCancer PC-3 cellsAcidic vesicular organellesSilibinin-induced apoptosisReactive oxygen speciesAnticancer effectsHuman prostate cancer PC-3 cellsMicrotubule-associated protein 1 light chain 3Inhibition of ROSProtein 1 light chain 3Major bioactive componentsInhibition of autophagyReactive oxygen species productionCancer cell linesLight chain 3Supportive therapyLiver conditionsOxygen species productionCancer modelProtective roleSilibininSilibinin-induced autophagyROS inhibitorChain 3Thioredoxin-2 Inhibits Mitochondrial Reactive Oxygen Species Generation and Apoptosis Stress Kinase-1 Activity to Maintain Cardiac Function
Huang Q, Zhou HJ, Zhang H, Huang Y, Hinojosa-Kirschenbaum F, Fan P, Yao L, Belardinelli L, Tellides G, Giordano FJ, Budas GR, Min W. Thioredoxin-2 Inhibits Mitochondrial Reactive Oxygen Species Generation and Apoptosis Stress Kinase-1 Activity to Maintain Cardiac Function. Circulation 2015, 131: 1082-1097. PMID: 25628390, PMCID: PMC4374031, DOI: 10.1161/circulationaha.114.012725.Peer-Reviewed Original ResearchConceptsMitochondrial reactive oxygen species generationReactive oxygen species generationOxygen species generationASK1-dependent apoptosisMitochondrial reactive oxygen species productionPhosphorylation/activityKey mitochondrial proteinsSpecies generationMitochondrial membrane depolarizationKinase 1 activityMitochondrial proteinsReactive oxygen species productionCellular redoxMitochondrial Trx2Inhibition of ASK1Apoptotic signalingOxygen species productionThioredoxin 2Protein expression levelsKinase 1ATP productionASK1 inhibitionKnockout miceMitochondrial ultrastructureASK1 inhibitors
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