2018
B Cell Presentation of Chlamydia Antigen Selects Out Protective CD4γ13 T Cells: Implications for Genital Tract Tissue-Resident Memory Lymphocyte Clusters
Johnson RM, Yu H, Strank N, Karunakaran K, Zhu Y, Brunham RC. B Cell Presentation of Chlamydia Antigen Selects Out Protective CD4γ13 T Cells: Implications for Genital Tract Tissue-Resident Memory Lymphocyte Clusters. Infection And Immunity 2018, 86: 10.1128/iai.00614-17. PMID: 29158429, PMCID: PMC5778355, DOI: 10.1128/iai.00614-17.Peer-Reviewed Original ResearchConceptsMemory lymphocyte clustersPeripheral blood mononuclear cellsT cell subsetsAntigen-presenting cellsT cell clonesB cell populationsT cellsLymphocyte clustersCell subsetsB cellsTissue-resident memory T cellsCD4 T-cell clonesCD4 T cell subsetsHuman peripheral blood mononuclear cellsCell clonesMemory T cellsBlood mononuclear cellsIL-13 responsesImmune B cellsB cell presentationCell populationsAdoptive transferImmune miceIntracellular bacterial pathogenChlamydia antigen
2012
PmpG303-311, a Protective Vaccine Epitope That Elicits Persistent Cellular Immune Responses in Chlamydia muridarum-Immune Mice
Johnson RM, Yu H, Kerr MS, Slaven JE, Karunakaran KP, Brunham RC. PmpG303-311, a Protective Vaccine Epitope That Elicits Persistent Cellular Immune Responses in Chlamydia muridarum-Immune Mice. Infection And Immunity 2012, 80: 2204-2211. PMID: 22431650, PMCID: PMC3370596, DOI: 10.1128/iai.06339-11.Peer-Reviewed Original ResearchConceptsGenital tract infectionAntigen-presenting cellsT cell clonesTract infectionsMonths postinfectionImmune responseChlamydia muridarum Genital Tract InfectionProtective CD4 T cell responsesVaccine developmentPrimary genital tract infectionTh1 T cell clonesCD4 T cell responsesCD4 T-cell clonesSplenic antigen-presenting cellsAntigen-presenting cell populationsCell clonesCD4 T cellsT cell responsesCellular immune responsesProtective immune responsePromising vaccine candidateImmune C57BL/6 miceInfected epithelial cellsIrradiated splenocytesUrogenital chlamydiaPlac8-Dependent and Inducible NO Synthase-Dependent Mechanisms Clear Chlamydia muridarum Infections from the Genital Tract
Johnson RM, Kerr MS, Slaven JE. Plac8-Dependent and Inducible NO Synthase-Dependent Mechanisms Clear Chlamydia muridarum Infections from the Genital Tract. The Journal Of Immunology 2012, 188: 1896-1904. PMID: 22238459, PMCID: PMC3303601, DOI: 10.4049/jimmunol.1102764.Peer-Reviewed Original ResearchConceptsGenital tract infectionCD4 T-cell clonesINOS-independent mechanismCD4 T cellsT cell clonesTract infectionsT cellsC. muridarum genital tract infectionCell clonesChlamydia muridarum infectionInducible NO synthase (iNOS) transcriptionT cell mechanismsT cell subsetsClearance of infectionGenital tract epitheliumT cell degranulationCytokine profileCell subsetsCell degranulationGenital tractClear infectionEffector functionsMouse modelNO productionVaccine development
2010
Chlamydia-Specific CD4 T Cell Clones Control Chlamydia muridarum Replication in Epithelial Cells by Nitric Oxide-Dependent and -Independent Mechanisms
Jayarapu K, Kerr M, Ofner S, Johnson RM. Chlamydia-Specific CD4 T Cell Clones Control Chlamydia muridarum Replication in Epithelial Cells by Nitric Oxide-Dependent and -Independent Mechanisms. The Journal Of Immunology 2010, 185: 6911-6920. PMID: 21037093, PMCID: PMC3073083, DOI: 10.4049/jimmunol.1002596.Peer-Reviewed Original ResearchConceptsCD4 T-cell clonesT cell clonesEpithelial NO productionCD4 T cellsChlamydia replicationCell clonesEpithelial cellsT cellsNO productionReproductive tract epithelial cellsT cell-mediated controlT-cell depletion studiesCell depletion studiesCell-mediated controlHuman reproductive tractT cell degranulationMHC class IIMurine genital tractTract epithelial cellsInfected epithelial cellsEpithelial tumor cell linesIntracellular bacterial pathogenBacterial clearanceCell degranulationGenital tract
2009
Chlamydia muridarum-Specific CD4 T-Cell Clones Recognize Infected Reproductive Tract Epithelial Cells in an Interferon-Dependent Fashion
Jayarapu K, Kerr MS, Katschke A, Johnson RM. Chlamydia muridarum-Specific CD4 T-Cell Clones Recognize Infected Reproductive Tract Epithelial Cells in an Interferon-Dependent Fashion. Infection And Immunity 2009, 77: 4469-4479. PMID: 19667042, PMCID: PMC2747947, DOI: 10.1128/iai.00491-09.Peer-Reviewed Original ResearchConceptsCD4 T-cell clonesT cell clonesReproductive tract epithelial cellsCD4 T cell interactionsT cell activationGenital tract infectionCD4 T cellsTract epithelial cellsT cell interactionsEpithelial cellsTract infectionsMHC-IIT cellsChlamydia muridarum Genital Tract InfectionChlamydia-specific CD4 T cellsMajor histocompatibility complex (MHC) class II moleculesIFN-gamma-induced upregulationCell surface MHC-IIExperimental mouse modelSurface MHC-IIClass II moleculesReproductive tract epitheliumTiming of recognitionFuture vaccine developmentChlamydia replication