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
2022
Defining 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 profileT 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
2019
Estrogen receptor α in T cells suppresses follicular helper T cell responses and prevents autoimmunity
Kim D, Park H, Park H, Lee J, Ko C, Gye M, Choi J. Estrogen receptor α in T cells suppresses follicular helper T cell responses and prevents autoimmunity. Experimental & Molecular Medicine 2019, 51: 1-9. PMID: 30988419, PMCID: PMC6465332, DOI: 10.1038/s12276-019-0237-z.Peer-Reviewed Original ResearchConceptsSheep red blood cellsKO miceT cellsTfh cellsTfh responsesAutoantibody productionFollicular helper T cell responsesHigh-affinity antigen-specific antibodiesCell responsesFollicular helper T cellsHelper T cell responsesERα KO miceTfh cell responsesMesenteric lymph nodesT cell responsesHelper T cellsGerminal center responseERα knockout miceWild-type miceAntigen-specific antibodiesYears of ageEstrogen receptor alphaEstrogen receptor αIsotype class switchingTreg cells
2017
Sex-specific regulation of immune responses by PPARs
Park H, Choi J. Sex-specific regulation of immune responses by PPARs. Experimental & Molecular Medicine 2017, 49: e364-e364. PMID: 28775365, PMCID: PMC5579504, DOI: 10.1038/emm.2017.102.Peer-Reviewed Original ResearchConceptsImmune responseT cellsEffector T cell responsesPeroxisome proliferator-activated receptor ligandsSex-specific immune responsesExperimental autoimmune encephalomyelitisEffector T cellsT cell responsesRole of PPART cell activationHost diseaseAutoimmune encephalomyelitisAutoimmune diseasesSex hormonesForeign antigensSex-specific differencesKnockout miceMetabolic diseasesImmune systemPPARReceptor ligandsInhibitory functionDiseaseSex-specific regulationSex differences
2016
Gender-specific differences in PPARγ regulation of follicular helper T cell responses with estrogen
Park HJ, Park HS, Lee JU, Bothwell AL, Choi JM. Gender-specific differences in PPARγ regulation of follicular helper T cell responses with estrogen. Scientific Reports 2016, 6: 28495. PMID: 27335315, PMCID: PMC4917844, DOI: 10.1038/srep28495.Peer-Reviewed Original ResearchConceptsFollicular helper T cell responsesHelper T cell responsesT cell responsesCell responsesTfh cellsT cellsGC responseMale T cellsPeroxisome proliferator-activated receptor gammaTfh cell responsesEffector T cellsPPARγ agonist pioglitazoneProliferator-activated receptor gammaT cell regulationWild-type miceRole of PPARγGerminal center B cellsT cell activationGender-specific differencesTfh responsesAgonist pioglitazoneAutoimmune diseasesMenstrual cycleFemale miceMale mice