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
2015
Chitinase like protein BRP-39 suppress Th1 differentiation via regulation of IFNγ-STAT1 axis (LYM8P.633)
Kim D, Park H, Lee J, Kang M, Lee C, Elias J, Choi J. Chitinase like protein BRP-39 suppress Th1 differentiation via regulation of IFNγ-STAT1 axis (LYM8P.633). The Journal Of Immunology 2015, 194: 201.9-201.9. DOI: 10.4049/jimmunol.194.supp.201.9.Peer-Reviewed Original ResearchT cell immunityBRP-39Th1 cellsT cellsTCR stimuliUp-regulate T-betExpression of PTPN2Naive CD4 T cellsIncreased production of IL-2Production of IL-2CD4 T cellsNaive T cellsT cell activationEnzyme sitesChitinase activityParasite life cycleAnti-parasite immune responsesSignaling pathwayRegulatory roleChitinaseTh2 cellsInnate immunityT-betTh1 differentiationIFN-gPiceatannol inhibits effector T cell functions by suppressing TcR signaling
Kim D, Lee Y, Park H, Lee J, Kim H, Hwang J, Choi J. Piceatannol inhibits effector T cell functions by suppressing TcR signaling. International Immunopharmacology 2015, 25: 285-292. PMID: 25676533, DOI: 10.1016/j.intimp.2015.01.030.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, CDAntigens, Differentiation, T-LymphocyteCD4-Positive T-LymphocytesCD8-Positive T-LymphocytesCell DifferentiationCytokinesFemaleInterleukin-2 Receptor alpha SubunitLectins, C-TypeMice, Inbred C57BLMitogen-Activated Protein KinasesPhosphorylationProtein Kinase InhibitorsReceptors, Antigen, T-CellSpleenStilbenesConceptsEffector T cell functionT cell functionT cellsPiceatannol treatmentT cell activation markers CD25Naïve CD4 T cellsRole of piceatannolCD4 T cellsActivation markers CD25Cell functionAdaptive immune responsesSplenic T cellsMetabolite of resveratrolMurine splenic T cellsInhibition of TCRActivated T cellsAnti-tumorigenesis activityT cell activationIL-17Th17 cellsCytokines IFNγC57BL/6 miceCytokine productionIL-2Immune response
2014
PPARγ Negatively Regulates T Cell Activation to Prevent Follicular Helper T Cells and Germinal Center Formation
Park HJ, Kim DH, Choi JY, Kim WJ, Kim JY, Senejani AG, Hwang SS, Kim LK, Tobiasova Z, Lee GR, Craft J, Bothwell AL, Choi JM. PPARγ Negatively Regulates T Cell Activation to Prevent Follicular Helper T Cells and Germinal Center Formation. PLOS ONE 2014, 9: e99127. PMID: 24921943, PMCID: PMC4055678, DOI: 10.1371/journal.pone.0099127.Peer-Reviewed Original ResearchConceptsFollicular helper T cellsHelper T cellsT cellsGerminal center reactionTfh cellsSheep red blood cell immunizationRed blood cell immunizationCenter reactionPeroxisome proliferator-activated receptor gammaIL-21 expressionProliferator-activated receptor gammaWild-type T cellsType T cellsGerminal center formationGerminal center B cellsT cell activationCell immunizationAutoantibody productionGlomerular inflammationSignature cytokinesAdaptive immunityGerminal centersGlucose metabolismNF-κBB cells