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
2007
Down-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
Age-Associated Change in the Frequency of Memory CD4+ T Cells Impairs Long Term CD4+ T Cell Responses to Influenza Vaccine
Kang I, Hong MS, Nolasco H, Park SH, Dan JM, Choi JY, Craft J. Age-Associated Change in the Frequency of Memory CD4+ T Cells Impairs Long Term CD4+ T Cell Responses to Influenza Vaccine. The Journal Of Immunology 2004, 173: 673-681. PMID: 15210831, DOI: 10.4049/jimmunol.173.1.673.Peer-Reviewed Original ResearchConceptsT cell responsesIL-7 levelsMemory CD4Long-term CD4T cellsCell responsesInfluenza vaccineIFN-gammaInfluenza virus-specific CD4Serum IL-7 levelsEM cellsLevels of CD4Virus-specific CD4Central memory CD4Effector memory CD4Cellular immune responsesFrequency of influenzaImportant clinical questionsAge-Associated ChangesEM CD4Influenza vaccinationTNF-alphaVaccination strategiesIL-7Immune response