Hong-Jai Park
Associate Research ScientistCards
About
Research
Publications
2024
IL-1 receptor 1 signaling shapes the development of viral antigen-specific CD4+ T cell responses following COVID-19 mRNA vaccination
Park H, Shin M, Shin J, Kim H, Kang B, Par-Young J, Unlu S, Afinogenova Y, Catanzaro J, Young J, Kim M, Lee S, Jeon S, You S, Racke M, Bucala R, Kang I. IL-1 receptor 1 signaling shapes the development of viral antigen-specific CD4+ T cell responses following COVID-19 mRNA vaccination. EBioMedicine 2024, 103: 105114. PMID: 38640835, PMCID: PMC11041015, DOI: 10.1016/j.ebiom.2024.105114.Peer-Reviewed Original ResearchConceptsCD4<sup>+</sup> T cellsCOVID-19 mRNA vaccinesAntigen-specific CD4<sup>+</sup> T cell responsesT cell responsesPrimary antibody deficiencyCD4<sup>+</sup> T cell responsesT cellsIL-1R1MRNA vaccinesIL-1IgG antibodiesAntigen-specific CD4<sup>+</sup> T cellsCD4+ T cell responsesLevels of IL-1R1Human CD4<sup>+</sup> T cellsIL-1 receptor 1Healthy individualsDose of COVID-19 mRNA vaccineAntigen-specific CD4IL-1R1 expressionT cell immunityRepetitive antigenic stimulationCytokines interleukin (IL)-1Immune response to virusesExpression of IL-1R1
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 personsVISTA (PD-1H) Is a Crucial Immune Regulator to Limit Pulmonary Fibrosis.
Kim S, Adams T, Hu Q, Shin H, Chae G, Lee S, Sharma L, Kwon H, Lee F, Park H, Huh W, Manning E, Kaminski N, Sauler M, Chen L, Song J, Kim T, Kang M. VISTA (PD-1H) Is a Crucial Immune Regulator to Limit Pulmonary Fibrosis. American Journal Of Respiratory Cell And Molecular Biology 2023, 69: 22-33. PMID: 36450109, PMCID: PMC10324045, DOI: 10.1165/rcmb.2022-0219oc.Peer-Reviewed Original ResearchConceptsIdiopathic pulmonary fibrosisPulmonary fibrosisImmune regulatorsTherapeutic potentialHuman idiopathic pulmonary fibrosisCrucial immune regulatorsNovel immune regulatorPulmonary fibrosis micePulmonary fibrosis modelNovel therapeutic targetRole of VISTAWild-type littermatesMonocyte-derived macrophagesT lymphocyte lineageVISTA expressionIPF treatmentAntibody treatmentImmune landscapeFibrotic mediatorsLung fibrosisFibrosis miceInflammatory responseFibrosis modelMyeloid populationsTherapeutic target
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 adultsBiomarkersAlterations in high‐dimensional T‐cell profile and gene signature of immune aging in HIV‐infected older adults without viremia
Shin MS, Park H, Salahuddin S, Montgomery RR, Emu B, Shaw AC, Kang I. Alterations in high‐dimensional T‐cell profile and gene signature of immune aging in HIV‐infected older adults without viremia. Aging Cell 2022, 21: e13702. PMID: 36036630, PMCID: PMC9577958, DOI: 10.1111/acel.13702.Peer-Reviewed Original ResearchConceptsOlder human immunodeficiency virusPeripheral blood mononuclear cellsHuman immunodeficiency virusAntiretroviral therapyT cellsDetectable viremiaMemory CD8HIV infectionAge-associated immune alterationsYoung human immunodeficiency virusReplication-competent HIV-1Combination antiretroviral therapyEffector memory CD8T-cell countsSubset of CD4T cell profileBlood mononuclear cellsAgeing-associated genesEM CD8Immune alterationsMemory CD4Immune agingImmunodeficiency virusInflammatory moleculesMononuclear cellsDefining Clinical and Immunological Predictors of Poor Immune Responses to COVID-19 mRNA Vaccines in Patients with Primary Antibody Deficiency
Shin JJ, Par-Young J, Unlu S, McNamara A, Park HJ, Shin MS, Gee RJ, Doyle H, Afinogenova Y, Zidan E, Kwah J, Russo A, Mamula M, Hsu FI, Catanzaro J, Racke M, Bucala R, Wilen C, Kang I. Defining Clinical and Immunological Predictors of Poor Immune Responses to COVID-19 mRNA Vaccines in Patients with Primary Antibody Deficiency. Journal Of Clinical Immunology 2022, 42: 1137-1150. PMID: 35713752, PMCID: PMC9203263, DOI: 10.1007/s10875-022-01296-4.Peer-Reviewed Original ResearchMeSH KeywordsAntibodies, ViralCD8-Positive T-LymphocytesCommon Variable ImmunodeficiencyCOVID-19COVID-19 VaccinesHumansImmunity, CellularImmunoglobulin AImmunoglobulin GMRNA VaccinesPrimary Immunodeficiency DiseasesRNA, MessengerSARS-CoV-2Spike Glycoprotein, CoronavirusVaccinationVaccinesVaccines, SyntheticConceptsCommon variable immune deficiencyT cellsImmune responseIgG responsesCVID patientsMRNA vaccinesB cellsCoronavirus disease 2019 (COVID-19) mRNA vaccinesCOVID-19 mRNA vaccinesBaseline immune profileHistory of autoimmunityPrimary antibody deficiencyT cell responsesCellular immune responsesPoor immune responseVariable immune deficiencyMemory B cellsSARS-CoV-2 spike proteinBaseline IgGCVID diagnosisEM CD8Immunological predictorsPAD cohortSpecific CD4Immune profileAHCC®, a Standardized Extract of Cultured Lentinula Edodes Mycelia, Promotes the Anti-Tumor Effect of Dual Immune Checkpoint Blockade Effect in Murine Colon Cancer
Park HJ, Boo S, Park I, Shin MS, Takahashi T, Takanari J, Homma K, Kang I. AHCC®, a Standardized Extract of Cultured Lentinula Edodes Mycelia, Promotes the Anti-Tumor Effect of Dual Immune Checkpoint Blockade Effect in Murine Colon Cancer. Frontiers In Immunology 2022, 13: 875872. PMID: 35514996, PMCID: PMC9066372, DOI: 10.3389/fimmu.2022.875872.Peer-Reviewed Original ResearchConceptsDual immune checkpoint blockadeImmune checkpoint blockadeAnti-tumor effectsCheckpoint blockadeBearing miceStandardized extractTumor growthMC38 tumor-bearing miceGut microbiomePD-1/CTLATumor-infiltrating CD8Cell functionCancer bearing miceT cell functionKi-67 expressionImmune cell functionMurine colon cancerTumor bearing miceTumor-bearing miceTreatment of cancerTreatment strategiesT cellsTherapeutic effectGranzyme BColon cancerT cell response to influenza vaccination remains intact in adults with congenital heart disease who underwent early thymectomy
Leone DM, Park HJ, Unlu S, Gurvitz M, Kang I, Elder RW. T cell response to influenza vaccination remains intact in adults with congenital heart disease who underwent early thymectomy. International Journal Of Cardiology Congenital Heart Disease 2022, 8: 100359. PMID: 35600131, PMCID: PMC9122016, DOI: 10.1016/j.ijcchd.2022.100359.Peer-Reviewed Original ResearchT cell responsesCongenital heart diseaseT cellsInfluenza vaccinationEarly thymectomyMemory CD4Heart diseaseAdequate T-cell responsesCell responsesT cell distributionT cell subsetsNaïve T cellsCongenital heart surgeryYears of ageHemagglutination inhibition assaysRoutine vaccinationVaccine immunityCell subsetsMean ageHeart surgeryNaïve CD4Healthy controlsThymectomyBlood samplesDiminished response
2021
Nucleotide‐binding domain and leucine‐rich‐repeat‐containing protein X1 deficiency induces nicotinamide adenine dinucleotide decline, mechanistic target of rapamycin activation, and cellular senescence and accelerates aging lung‐like changes
Shin HJ, Kim S, Park H, Shin M, Kang I, Kang M. Nucleotide‐binding domain and leucine‐rich‐repeat‐containing protein X1 deficiency induces nicotinamide adenine dinucleotide decline, mechanistic target of rapamycin activation, and cellular senescence and accelerates aging lung‐like changes. Aging Cell 2021, 20: e13410. PMID: 34087956, PMCID: PMC8282248, DOI: 10.1111/acel.13410.Peer-Reviewed Original ResearchConceptsCellular senescenceActivation of mTORNucleotide-binding domainCellular senescence responseReplicative cellular senescenceNLR family membersOrganismal agingCellular physiologyMitochondrial moleculesSenescence responseCellular locationProtein X1Crucial regulatorMechanistic targetMitochondrial functionMolecular hallmarksNLRX1 functionRapamycin (mTOR) activationMitochondrial dysfunctionSenescenceMTORPharmacological inhibitionNLRX1BiologyAging LungCo-inhibitor expression on tumor infiltrating and splenic lymphocytes after dual checkpoint inhibition in a microsatellite stable model of colorectal cancer
Slovak RJ, Park HJ, Kamp WM, Ludwig JM, Kang I, Kim HS. Co-inhibitor expression on tumor infiltrating and splenic lymphocytes after dual checkpoint inhibition in a microsatellite stable model of colorectal cancer. Scientific Reports 2021, 11: 6956. PMID: 33772035, PMCID: PMC7997991, DOI: 10.1038/s41598-021-85810-5.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, CDCD4-Positive T-LymphocytesCell Line, TumorCell ProliferationColorectal NeoplasmsCTLA-4 AntigenFemaleHepatitis A Virus Cellular Receptor 2Immune Checkpoint InhibitorsLymphocyte Activation Gene 3 ProteinLymphocytes, Tumor-InfiltratingMaleMiceMice, Inbred BALB CMicrosatellite RepeatsProgrammed Cell Death 1 ReceptorSpleenT-Lymphocytes, CytotoxicConceptsDual checkpoint inhibitionPD-1 inhibitionColorectal cancerCheckpoint inhibitionPD-1Checkpoint inhibitorsT cellsImmune responseRobust anti-tumor immune responseAnti-PD-1 groupAnti-PD-1 antibodyAnti-tumor immune responseMicrosatellite stable colorectal cancerDual PD-1Majority of patientsDeficient mismatch repairStable colorectal cancerCTLA-4 inhibitionTumor growth rateHigh microsatellite instabilityPotential escape mechanismsCombination immunotherapyImmunosuppressive checkpointsTumoral infiltrationDual therapy