2021
Tet2 Controls the Responses of β cells to Inflammation in Autoimmune Diabetes
Rui J, Deng S, Perdigoto AL, Ponath G, Kursawe R, Lawlor N, Sumida T, Levine-Ritterman M, Stitzel ML, Pitt D, Lu J, Herold KC. Tet2 Controls the Responses of β cells to Inflammation in Autoimmune Diabetes. Nature Communications 2021, 12: 5074. PMID: 34417463, PMCID: PMC8379260, DOI: 10.1038/s41467-021-25367-z.Peer-Reviewed Original ResearchConceptsImmune cellsΒ-cellsNOD/SCID recipientsDiabetogenic immune cellsDiabetogenic T cellsBone marrow transplantType 1 diabetesExpression of TET2Human β-cellsIslet infiltratesSCID recipientsMarrow transplantInflammatory pathwaysTransfer of diseaseT cellsInflammatory genesImmune killingPathologic interactionsReduced expressionDiabetesInflammationTET2MiceRecipientsCells
2020
Differential expression of the T-cell inhibitor TIGIT in glioblastoma and MS
Lucca LE, Lerner BA, Park C, DeBartolo D, Harnett B, Kumar VP, Ponath G, Raddassi K, Huttner A, Hafler DA, Pitt D. Differential expression of the T-cell inhibitor TIGIT in glioblastoma and MS. Neurology Neuroimmunology & Neuroinflammation 2020, 7: e712. PMID: 32269065, PMCID: PMC7188477, DOI: 10.1212/nxi.0000000000000712.Peer-Reviewed Original ResearchConceptsTumor-infiltrating T cellsT cellsPD-1/PD-L1Anti-TIGIT therapyExpression of CD226Expression of TIGITPostmortem CNS tissueLymphocytes of patientsFresh surgical resectionsLigand CD155TIGIT expressionSurgical resectionPD-1PD-L1CNS diseaseHealthy controlsHealthy donorsLymphocytic expressionImmune responseCNS tissueMS lesionsTIGITImmune pathwaysPatientsGlioblastoma multiforme
2017
Podoplanin is a negative regulator of Th17 inflammation
Nylander AN, Ponath GD, Axisa PP, Mubarak M, Tomayko M, Kuchroo VK, Pitt D, Hafler DA. Podoplanin is a negative regulator of Th17 inflammation. JCI Insight 2017, 2: e92321. PMID: 28878118, PMCID: PMC5621890, DOI: 10.1172/jci.insight.92321.Peer-Reviewed Original ResearchConceptsT cellsIL-17IL-17 secretionDistinct cytokine profilesInflammatory gene signatureTh17-polarizing conditionsTh17 cellsCytokine profileCell subsetsInflammatory responseSkin biopsiesMouse modelPDPN expressionMultiple organsSkin diseasesGene signatureInflammationLymphatic systemCLEC-2PDPNRecent dataDifferent subpopulationsCellsTranscriptional profilesShRNA gene
2015
Biomarkers in multiple sclerosis
Housley WJ, Pitt D, Hafler DA. Biomarkers in multiple sclerosis. Clinical Immunology 2015, 161: 51-58. PMID: 26143623, DOI: 10.1016/j.clim.2015.06.015.Peer-Reviewed Original ResearchConceptsMultiple sclerosisB cell chemoattractant CXCL13Myelin-reactive T cellsMacrophage marker CD163Reactive T cellsMarkers of neurodegenerationKIR4.1 antibodiesMS seraClinical outcomesOligoclonal bandsYKL-40Disease progressionT cellsMS susceptibilityCerebrospinal fluidPotential biomarkersViral titersClinical useBiomarkersBiomarker researchSclerosisProgressionDisease diagnosisCD163CXCL13
2014
IFN-β alters neurotrophic factor expression in T cells isolated from multiple sclerosis patients - implication of novel neurotensin/NTSR1 pathway in neuroprotection.
Soltys J, Knight J, Scharf E, Pitt D, Mao-Draayer Y. IFN-β alters neurotrophic factor expression in T cells isolated from multiple sclerosis patients - implication of novel neurotensin/NTSR1 pathway in neuroprotection. American Journal Of Translational Research 2014, 6: 312-9. PMID: 24936223, PMCID: PMC4058312.Peer-Reviewed Original ResearchT cellsMultiple sclerosisNeurotrophin receptorActive demyelinating lesionsNeurotrophic factor expressionCytokine expression patternsHigh-affinity receptor 1Mechanism of actionDemyelinating lesionsMS pathogenesisRRMS patientsNeurotrophin productionNeuroprotective effectsNeurotrophin expressionNeuroprotective capabilitiesStem/progenitor cell survivalProgenitor cell survivalDisease pathogenesisReceptor 1Factor expressionIFNPotent inducerSpecific cell populationsCell populationsSclerosis
2000
Glutamate excitotoxicity — a mechanism for axonal damage and oligodendrocyte death in Multiple Sclerosis?
Werner P, Pitt D, Raine CS. Glutamate excitotoxicity — a mechanism for axonal damage and oligodendrocyte death in Multiple Sclerosis? Journal Of Neural Transmission. Supplementa 2000, 375-385. PMID: 11205156, DOI: 10.1007/978-3-7091-6301-6_27.Peer-Reviewed Original ResearchConceptsCentral nervous systemAMPA/kainate antagonistMultiple sclerosisGlutamate excitotoxicityImmune cellsKainate antagonistAxonal damageAntigen-primed T cellsMyelin-producing cellsLack of effectSite of entryCNS inflammationInflammatory attacksExperimental autoimmunePerivascular cuffsAutoimmune demyelinationInflammatory lesionsClinical differencesOligodendrocyte survivalEffective therapyGlutamate receptorsOligodendrocyte deathT cellsExcitotoxicityLesion size