2015
The Interleukin-2-mTORc1 Kinase Axis Defines the Signaling, Differentiation, and Metabolism of T Helper 1 and Follicular B Helper T Cells
Ray JP, Staron MM, Shyer JA, Ho PC, Marshall HD, Gray SM, Laidlaw BJ, Araki K, Ahmed R, Kaech SM, Craft J. The Interleukin-2-mTORc1 Kinase Axis Defines the Signaling, Differentiation, and Metabolism of T Helper 1 and Follicular B Helper T Cells. Immunity 2015, 43: 690-702. PMID: 26410627, PMCID: PMC4618086, DOI: 10.1016/j.immuni.2015.08.017.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsApoptosisCalcium SignalingCell CycleCell DivisionEnzyme ActivationGlucoseGlycolysisInterleukin-2Interleukin-2 Receptor alpha SubunitLymphocytic choriomeningitis virusMechanistic Target of Rapamycin Complex 1Mice, Inbred C57BLMultiprotein ComplexesNFATC Transcription FactorsOxygen ConsumptionPositive Regulatory Domain I-Binding Factor 1Proto-Oncogene Proteins c-aktSignal TransductionSpecific Pathogen-Free OrganismsTh1 CellsT-Lymphocyte SubsetsT-Lymphocytes, Helper-InducerTOR Serine-Threonine KinasesTranscription FactorsConceptsFollicular B helper T cellsAcute viral infectionHelper T cellsTfh cellsT cellsViral infectionT helper 1 cellsHelper T cell subsetsIL-2-mediated activationT cell subsetsDiverse effector functionsT helper 1Dependent cytokine productionTh1 cell fateHelper 1Cell subsetsCytokine productionTh1 cellsInterleukin-2Effector functionsCritical orchestratorsMTOR kinase activityLess proliferationMTORC1 axisReciprocal balance
2014
Dynamic signaling by T follicular helper cells during germinal center B cell selection
Shulman Z, Gitlin AD, Weinstein JS, Lainez B, Esplugues E, Flavell RA, Craft JE, Nussenzweig MC. Dynamic signaling by T follicular helper cells during germinal center B cell selection. Science 2014, 345: 1058-1062. PMID: 25170154, PMCID: PMC4519234, DOI: 10.1126/science.1257861.Peer-Reviewed Original ResearchConceptsFollicular helper cellsB cellsGC B cellsHelper cellsGerminal centersAntibody-producing B cellsCytokine interleukin-4B cell selectionGerminal center B cell selectionInterleukin-4Transient elevationMajor histocompatibilitySustained increaseFree calciumClonal expansionCognate peptideIntravital imagingCell migrationCellsIntracellularCell selectionHigh levelsHistocompatibility
2005
Naive CD4+ T Cells from Lupus-Prone Fas-Intact MRL Mice Display TCR-Mediated Hyperproliferation Due to Intrinsic Threshold Defects in Activation
Zielinski CE, Jacob SN, Bouzahzah F, Ehrlich BE, Craft J. Naive CD4+ T Cells from Lupus-Prone Fas-Intact MRL Mice Display TCR-Mediated Hyperproliferation Due to Intrinsic Threshold Defects in Activation. The Journal Of Immunology 2005, 174: 5100-5109. PMID: 15814741, DOI: 10.4049/jimmunol.174.8.5100.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigen PresentationAutoimmunityCalcium SignalingCD4-Positive T-LymphocytesCell ProliferationColumbidaeCytochromes cDendritic CellsFas ReceptorGenes, DominantInterleukin-2Lupus Erythematosus, SystemicLymphocyte ActivationMiceMice, Inbred MRL lprMice, Inbred StrainsMice, KnockoutMice, TransgenicPhenotypeReceptor-CD3 Complex, Antigen, T-CellReceptors, Antigen, T-CellSignal TransductionConceptsNaive CD4T cellsSelf-AgAutoreactive T cell activationMRL T cellsT cell toleranceF1 T cellsProximal defectsAnti-CD3 stimulationClass II MHCIL-2 productionT cell activationWild-type CD4Pigeon cytochrome cCell calcium signalingDendritic cellsControl miceMurine lupusObserved hyperactivityII MHCMRL miceIntracellular calciumLow thresholdPeptide AgCD4