2023
Aging gene signature of memory CD8+ T cells is associated with neurocognitive functioning in Alzheimer’s disease
Young J, Park H, Kim M, Par-Young J, Bartlett H, Kim H, Unlu S, Osmani L, Shin M, Bucala R, van Dyck C, Allore H, Mecca A, You S, Kang I. Aging gene signature of memory CD8+ T cells is associated with neurocognitive functioning in Alzheimer’s disease. Immunity & Ageing 2023, 20: 71. PMID: 38042785, PMCID: PMC10693128, DOI: 10.1186/s12979-023-00396-y.Peer-Reviewed Original ResearchPeripheral bloodT cellsAlzheimer's diseaseEM CD8Memory CD8Gene signatureAge-related immune changesIL-7 receptor alphaEffector memory CD8Strong risk factorT cell expansionAD genesAge-associated expansionImmune changesRisk factorsCD8Dementia patientsIL-7RNeuropsychological testingReceptor alphaNeurocognitive functionRT-qPCR resultsDisease severityPatientsNormal persons
2022
Implication of IL-7 receptor alpha chain expression by CD8+ T cells and its signature in defining biomarkers in aging
Shin M, Park H, Young J, Kang I. Implication of IL-7 receptor alpha chain expression by CD8+ T cells and its signature in defining biomarkers in aging. Immunity & Ageing 2022, 19: 66. PMID: 36544153, PMCID: PMC9768896, DOI: 10.1186/s12979-022-00324-6.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsT cellsImmune agingHost defenseIL-7 receptor alpha chainFrequencies of naïveT cell subsetsAlpha chain expressionAssociation of CD8Age-associated conditionsReceptor alpha chainMemory CD8Treatment of illnessCell subsetsInflammatory disordersIL-7RαCD8High riskImmune functionTherapeutic interventionsImmune systemPotential biomarkersGene signatureChain expressionOlder adultsBiomarkers
2020
Defining heterogeneity and biological signature in human effector memory CD8+ T cells expressing different levels of IL-7 receptor alpha by high-dimensional analysis
Shin M, Kim D, Park H, Dong X, Koumpouras F, Kang I. Defining heterogeneity and biological signature in human effector memory CD8+ T cells expressing different levels of IL-7 receptor alpha by high-dimensional analysis. The Journal Of Immunology 2020, 204: 154.19-154.19. DOI: 10.4049/jimmunol.204.supp.154.19.Peer-Reviewed Original ResearchHuman effector memory CD8EM CD8Effector memory CD8T cellsIL-7RαMemory CD8Cell subsetsIL-7 receptor alphaIL-7 receptor alpha chainT cell subsetsCo-stimulatory moleculesT cell heterogeneityHigh-dimensional single-cell analysisReceptor alpha chainLupus patientsImmune landscapeCell surface moleculesHeterogeneous cell subsetsT-betCD8Effector functionsDifferential expressionReceptor alphaSingle-cell RNA-seq analysisPathologic conditions
2019
Transcriptomic analysis of human IL-7 receptor alphalow and higheffector memory CD8+ T cells reveals an age-associated signature linked to influenza vaccine response in older adults
Park H, Shin M, Kim M, Bilsborrow J, Mohanty S, Montgomery R, Shaw A, Yoo S, Kang I. Transcriptomic analysis of human IL-7 receptor alphalow and higheffector memory CD8+ T cells reveals an age-associated signature linked to influenza vaccine response in older adults. The Journal Of Immunology 2019, 202: 181.22-181.22. DOI: 10.4049/jimmunol.202.supp.181.22.Peer-Reviewed Original ResearchPeripheral blood cellsPeripheral blood mononuclear cellsInfluenza vaccine responsesT cellsEM CD8Memory CD8Vaccine responsesOlder adultsBlood cellsSignature genesEffector memory CD8Blood mononuclear cellsHuman peripheral whole bloodAge-associated expansionPeripheral whole bloodGene expression profilesAge-associated changesMeta-analysis studyGlobal transcriptomic profilesMononuclear cellsCD8Expression profilesSignificant associationTranscription factorsWhole bloodTranscriptomic 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
IL-7Ralow memory CD8+ T cells are clonally anergic cells and defect in aerobic glycolysis pathway (HUM4P.274)
Sim J, Kim J, Seol M, Lee S, Cho B, Ko Y, Oh K, Lee D, Kim J, Park A, Kang I, Choi K, Kim H. IL-7Ralow memory CD8+ T cells are clonally anergic cells and defect in aerobic glycolysis pathway (HUM4P.274). The Journal Of Immunology 2015, 194: 122.5-122.5. DOI: 10.4049/jimmunol.194.supp.122.5.Peer-Reviewed Original ResearchMemory CD8T cellsIL-2 stimulationCD3/CD28 AbSubset of CD8TCR stimulationExpression of GATA3Aerobic glycolysis pathwayPMA/ionomycin treatmentDistal TCR signalingAnergic statusCD28 AbsPeripheral bloodHuman CD8IL-2C-myc expressionCD8IL-7Anergic cellsCalcium fluxHuman immunologyNF-AT1Nuclear translocationAerobic glycolysisIonomycin treatment
2014
Human IL-7Rα low memory CD8+ T cells are clonal anergic cells being reversed by exogenous IL-2 (IRC10P.469)
Sim J, Cho B, Lee S, Ko Y, Seol M, Kim J, Oh K, Lee D, Kang I, Choi K, Kim H. Human IL-7Rα low memory CD8+ T cells are clonal anergic cells being reversed by exogenous IL-2 (IRC10P.469). The Journal Of Immunology 2014, 192: 192.7-192.7. DOI: 10.4049/jimmunol.192.supp.192.7.Peer-Reviewed Original Research
2012
The Relationship of Cytomegalovirus (CMV) Infection with circulatory IFN-α levels and IL-7 receptor α expression on CD8+ T cells in Human Aging (105.16)
Lee N, Lee W, Shin M, Kang Y, Jeon S, Kang I. The Relationship of Cytomegalovirus (CMV) Infection with circulatory IFN-α levels and IL-7 receptor α expression on CD8+ T cells in Human Aging (105.16). The Journal Of Immunology 2012, 188: 105.16-105.16. DOI: 10.4049/jimmunol.188.supp.105.16.Peer-Reviewed Original ResearchEM CD8IFN-α levelsT cellsCMV infectionCytomegalovirus infectionIL-7 Receptor α ExpressionHuman effector memory CD8IL-7 receptor alphaCMV immune statusEffector memory CD8Elderly peopleT cell subsetsReceptor α expressionT cell homeostasisAge-associated expansionHigh-affinity receptorCytokine levelsMemory CD8Naïve CD8Cell subsetsImmune statusPlasma levelsCD8IL-7Α expression
2011
Studying the mechanisms for increased IL-7Rαlow Memory CD8+T cells in the elderly (150.11)
Shin M, Lee W, Lee J, Kim S, Lee N, Kang I. Studying the mechanisms for increased IL-7Rαlow Memory CD8+T cells in the elderly (150.11). The Journal Of Immunology 2011, 186: 150.11-150.11. DOI: 10.4049/jimmunol.186.supp.150.11.Peer-Reviewed Original ResearchMemory CD8T cellsAge-associated expansionYoung donorsCMV infectionIL-15Elderly donorsIL-15-mediated proliferationT cell receptor repertoireTCR-mediated proliferationIL-15 expressionCell receptor repertoireCell subsetsCD8Better survivalReceptor repertoireCMVElderly peoplePotential roleSignificant differencesIndependent mechanismsInfectionProliferationSurvivalCells
2010
Human IL-7Rαlow memory CD8+ T cells have defect in the calcium signaling pathway in response to TCR triggering, leading to impaired IL-2 production and proliferation. (132.34)
Lee H, Yu M, Lee D, Kang J, Hwang Y, Lee W, Kang I, Kim H. Human IL-7Rαlow memory CD8+ T cells have defect in the calcium signaling pathway in response to TCR triggering, leading to impaired IL-2 production and proliferation. (132.34). The Journal Of Immunology 2010, 184: 132.34-132.34. DOI: 10.4049/jimmunol.184.supp.132.34.Peer-Reviewed Original ResearchIL-2 productionMemory CD8T cellsCytokine productionIL-7Effector cytokine productionT cell subsetsAnergic T cellsPMA/ionomycin treatmentAnti-CD3 AbTCR triggeringEffector cytokinesAnergic phenotypeCell subsetsHuman CD8IL-2CD8Calcium fluxTCR stimulationIonomycin treatmentCell survival responseMAPK pathwayCellular characteristicsProliferationCells
2009
A role for CMV infection in expansion of dysfunctional IL-7 receptor alpha low memory CD8+ T cell with aging. (83.11)
Lee W, Kang S, Lee S, Shah K, Kang I. A role for CMV infection in expansion of dysfunctional IL-7 receptor alpha low memory CD8+ T cell with aging. (83.11). The Journal Of Immunology 2009, 182: 83.11-83.11. DOI: 10.4049/jimmunol.182.supp.83.11.Peer-Reviewed Original ResearchLeukocyte Ig-like receptor-1Memory CD8T cellsAge-associated expansionCMV infectionChronic persistent viral infectionIL-7 receptor alpha chainT cell receptor repertoireHuman memory CD8TCR-mediated proliferationPersistent viral infectionCell receptor repertoireIg-like receptor-1Receptor alpha chainCytomegalovirus infectionIL-15Receptor beta chainElderly donorsCD8Young donorsViral infectionReceptor repertoireReceptor 1CMVExpression correlates
2008
Dual roles of IL‐15 in maintaining IL‐7 receptor alpha low CCR7− memory CD8+ T cells in humans via recovering the PI3K/AKT pathway
Kang I, Kim H, Hwang K. Dual roles of IL‐15 in maintaining IL‐7 receptor alpha low CCR7− memory CD8+ T cells in humans via recovering the PI3K/AKT pathway. The FASEB Journal 2008, 22: 846.18-846.18. DOI: 10.1096/fasebj.22.1_supplement.846.18.Peer-Reviewed Original ResearchPI3K/Akt pathwayMemory CD8Lower CCR7IL-15T cellsAkt pathwayIL-7 receptor alphaMemory T cell survivalIL-7 receptor alpha chainHuman peripheral bloodT cell survivalReceptor alpha chainHigher CCR7Peripheral CD8T cell receptor triggeringPeripheral bloodReceptor beta chainT-betCD8IL-7CCR7Effector functionsReceptor alphaEnhanced gene expressionProliferative function
2007
The role for DNA methylation in differentially regulating IL-7 receptor alpha expression by human T cells (94.22)
Kang I, Hwang K, Kim K, Kim H. The role for DNA methylation in differentially regulating IL-7 receptor alpha expression by human T cells (94.22). The Journal Of Immunology 2007, 178: s174-s174. DOI: 10.4049/jimmunol.178.supp.94.22.Peer-Reviewed Original ResearchJurkat T cellsDNA methylationGene promoterT cellsGene expressionImportant gene regulatory mechanismHuman CD8IL-7Gene regulatory mechanismsGene promoter constructsCell survival responseReceptor alpha expressionT cell subsetsT cell developmentHuman T cellsRegulatory mechanismsPromoter activityPromoter constructsCell developmentCell subsetsIL-7RaMethylationCD8Luciferase reporterAlpha expression
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