2020
IL-7 receptor alpha defines heterogeneity and signature of human effector memory CD8+ T cells in high dimensional analysis
Shin MS, Kim D, Yim K, Park HJ, You S, Dong X, Koumpouras F, Shaw AC, Fan R, Krishnaswamy S, Kang I. IL-7 receptor alpha defines heterogeneity and signature of human effector memory CD8+ T cells in high dimensional analysis. Cellular Immunology 2020, 355: 104155. PMID: 32619811, PMCID: PMC7415611, DOI: 10.1016/j.cellimm.2020.104155.Peer-Reviewed Original ResearchMeSH KeywordsAdultCD8-Positive T-LymphocytesFemaleFlow CytometryHumansImmunologic MemoryInterleukin-7 Receptor alpha SubunitMaleSequence Analysis, RNASingle-Cell AnalysisConceptsSingle-cell RNA-seqHuman effector memory CD8Effector memory CD8T cellsIL-7RαMemory CD8Gene regulationTranscription factorsRNA-seqPossible biological significanceDownstream eventsEM CD8Expression patternsExpressional relationshipDifferential expressionCytokine receptorsComprehensive landscapeHigh-dimensional cytometryBiological significanceIL-7 receptor alphaKey moleculesIL-7 receptor alpha chainReceptor alpha chainBiological implicationsHeterogeneous cell subsets
2019
Transcriptomic analysis of human IL‐7 receptor alpha low and high effector memory CD8+ T cells reveals an age‐associated signature linked to influenza vaccine response in older adults
Park H, Shin MS, Kim M, Bilsborrow JB, Mohanty S, Montgomery RR, Shaw AC, You S, Kang I. Transcriptomic analysis of human IL‐7 receptor alpha low and high effector memory CD8+ T cells reveals an age‐associated signature linked to influenza vaccine response in older adults. Aging Cell 2019, 18: e12960. PMID: 31044512, PMCID: PMC6612637, DOI: 10.1111/acel.12960.Peer-Reviewed Original ResearchConceptsPeripheral blood cellsPeripheral blood mononuclear cellsEffector memory CD8Influenza vaccine responsesEM CD8T cellsIL-7RαMemory CD8Vaccine responsesBlood cellsOlder adultsIL-7 receptor alphaSignature genesBlood mononuclear cellsHuman peripheral whole bloodAge-associated expansionPeripheral whole bloodGene expression profilesAge-associated changesMeta-analysis studyGlobal transcriptomic profilesMononuclear cellsCD8Receptor alphaExpression profiles
2015
DNA Methylation Regulates the Differential Expression of CX3CR1 on Human IL-7Rαlow and IL-7Rαhigh Effector Memory CD8+ T Cells with Distinct Migratory Capacities to the Fractalkine
Shin MS, You S, Kang Y, Lee N, Yoo SA, Park K, Kang KS, Kim SH, Mohanty S, Shaw AC, Montgomery RR, Hwang D, Kang I. DNA Methylation Regulates the Differential Expression of CX3CR1 on Human IL-7Rαlow and IL-7Rαhigh Effector Memory CD8+ T Cells with Distinct Migratory Capacities to the Fractalkine. The Journal Of Immunology 2015, 195: 2861-2869. PMID: 26276874, PMCID: PMC4561204, DOI: 10.4049/jimmunol.1500877.Peer-Reviewed Original ResearchConceptsDNA methylationDifferential expressionGene expressionCellular traitsEpigenetic mechanismsGene promoterGenome-wide DNA methylationDistinct traitsDNA methylation statusIndividual gene expressionMigratory capacityAutocrine amplification loopImportant biological outcomesPotential biological implicationsMammalian cellsMethylationMethylation statusAmplification loopBiological outcomesTraitsBiological implicationsPromoterEffector memoryExpressionT cells
2014
IL-6 Receptor α Defines Effector Memory CD8+ T Cells Producing Th2 Cytokines and Expanding in Asthma
Lee N, You S, Shin MS, Lee WW, Kang KS, Kim SH, Kim WU, Homer RJ, Kang MJ, Montgomery RR, Dela Cruz CS, Shaw AC, Lee PJ, Chupp GL, Hwang D, Kang I. IL-6 Receptor α Defines Effector Memory CD8+ T Cells Producing Th2 Cytokines and Expanding in Asthma. American Journal Of Respiratory And Critical Care Medicine 2014, 190: 1383-1394. PMID: 25390970, PMCID: PMC4299645, DOI: 10.1164/rccm.201403-0601oc.Peer-Reviewed Original ResearchConceptsEffector memory CD8EM CD8T cellsPeripheral bloodMemory CD8IL-13IL-5IL-6RαTh2-type cytokine IL-5Different T cell subsetsLevels of GATA3Frequency of ILT cell subsetsTh2-type cytokinesHealthy control subjectsRespiratory syncytial virusT cell populationsCytokines IL-5IL-6 receptor αIL-6Rα expressionHuman peripheral bloodEffector CD8Syncytial virusTh2 cytokinesCell subsets
2007
Dual Roles of IL-15 in Maintaining IL-7RαlowCCR7− Memory CD8+ T Cells in Humans via Recovering the Phosphatidylinositol 3-Kinase/AKT Pathway
Kim HR, Hwang KA, Kang I. Dual Roles of IL-15 in Maintaining IL-7RαlowCCR7− Memory CD8+ T Cells in Humans via Recovering the Phosphatidylinositol 3-Kinase/AKT Pathway. The Journal Of Immunology 2007, 179: 6734-6740. PMID: 17982063, DOI: 10.4049/jimmunol.179.10.6734.Peer-Reviewed Original ResearchMeSH KeywordsCD8-Positive T-LymphocytesCell ProliferationCell SurvivalEnzyme ActivationGene Expression RegulationHumansImmunologic MemoryInfectionsInterleukin-15Interleukin-2 Receptor beta SubunitInterleukin-7NeoplasmsPerforinPhosphatidylinositol 3-KinasesProto-Oncogene Proteins c-aktReceptors, Antigen, T-CellReceptors, CCR7Receptors, Interleukin-17Signal TransductionConceptsIL-15T cellsPI3K/Akt pathwayAkt pathwayIL-7Memory T cell survivalProliferation of ILIL-15 signalingHuman peripheral bloodT cell survivalEffector cytokinesMemory CD8Peripheral bloodEffector functionsIL-7REnhanced gene expressionProliferative functionIndependent mechanismsILTCR triggeringCell survivalSuch cellsSurvivalTranscriptional factorsDual roleDown-Regulation of IL-7Rα Expression in Human T Cells via DNA Methylation
Kim HR, Hwang KA, Kim KC, Kang I. Down-Regulation of IL-7Rα Expression in Human T Cells via DNA Methylation. The Journal Of Immunology 2007, 178: 5473-5479. PMID: 17442928, DOI: 10.4049/jimmunol.178.9.5473.Peer-Reviewed Original ResearchConceptsJurkat T cellsDNA methylationGene expressionGene promoterIL-7Ralpha expressionT cellsPromoter activityImportant gene regulatory mechanismGene regulatory mechanismsGene promoter constructsHuman CD8Gene promoter activityIL-7Cell survival responseT cell developmentT cell subsetsIL-7Rα expressionRegulatory mechanismsPromoter constructsCell developmentMethylationLuciferase reporterHuman T cellsSurvival responseDown regulation
2005
Altered IL-7Rα expression with aging and the potential implications of IL-7 therapy on CD8+ T-cell immune responses
Kim HR, Hong MS, Dan JM, Kang I. Altered IL-7Rα expression with aging and the potential implications of IL-7 therapy on CD8+ T-cell immune responses. Blood 2005, 107: 2855-2862. PMID: 16357322, PMCID: PMC1440715, DOI: 10.1182/blood-2005-09-3560.Peer-Reviewed Original ResearchConceptsIL-7 therapyT cellsT cell receptorIL-7T cell immune responsesEffector memory CD8T cell immunityT cell subsetsIL-7Rα expressionDiverse TCR repertoireIL-7Ralpha expressionIL-7Ralpha mRNAMemory CD8TCR repertoireElderly subjectsCD8Immune responseSurvival responseYoung subjectsImpaired signalingSTAT5 phosphorylationTherapyProtein alphaSurvival pathwaysCells
2004
Defective Control of Latent Epstein-Barr Virus Infection in Systemic Lupus Erythematosus
Kang I, Quan T, Nolasco H, Park SH, Hong MS, Crouch J, Pamer EG, Howe JG, Craft J. Defective Control of Latent Epstein-Barr Virus Infection in Systemic Lupus Erythematosus. The Journal Of Immunology 2004, 172: 1287-1294. PMID: 14707107, DOI: 10.4049/jimmunol.172.2.1287.Peer-Reviewed Original ResearchMeSH KeywordsAdultB-Lymphocyte SubsetsCD4-Positive T-LymphocytesCD8-Positive T-LymphocytesCytomegalovirusEpitopes, T-LymphocyteEpstein-Barr Virus InfectionsFemaleHerpesvirus 4, HumanHumansLeukocytes, MononuclearLupus Erythematosus, SystemicLymphocyte CountMaleMiddle AgedSeverity of Illness IndexViral LoadVirus LatencyConceptsSystemic lupus erythematosusEBV viral loadT cell responsesViral loadT cellsIFN-gammaCell responsesEBV infectionLupus erythematosusHealthy controlsEBV-specific T-cell responsesVirus-specific T cell responsesLatent Epstein-Barr virus (EBV) infectionEBV-specific immune responsesEpstein-Barr virus infectionAltered T-cell responsesDefective controlFrequency of CD69HLA-A2 tetramersTetramer-positive CD8Latent EBV infectionEBV-specificImmunosuppressive medicationsDisease activityLupus patients