1996
The extracellular domain of CD45 controls association with the CD4-T cell receptor complex and the response to antigen-specific stimulation.
Leitenberg D, Novak TJ, Farber D, Smith BR, Bottomly K. The extracellular domain of CD45 controls association with the CD4-T cell receptor complex and the response to antigen-specific stimulation. Journal Of Experimental Medicine 1996, 183: 249-259. PMID: 8551228, PMCID: PMC2192406, DOI: 10.1084/jem.183.1.249.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAntigen PresentationBase SequenceCD4 AntigensCD4-Positive T-LymphocytesCD8-Positive T-LymphocytesCell LineFlow CytometryImmunologic CappingLeukocyte Common AntigensLymphocyte ActivationMolecular Sequence DataPhenotypePhosphatidylinositol Diacylglycerol-LyasePhosphoric Diester HydrolasesProtein BindingReceptors, Antigen, T-CellRecombinant ProteinsStructure-Activity RelationshipTransfectionConceptsT cell receptorMolecular weight isoformsCD45 isoformsHigh molecular weight isoformsWeight isoformsAntigen-presenting cellsAntigen-specific stimulationT lymphocyte activationPanel of transfectantsLow molecular weight isoformsHigh molecular weight CD45 isoformsT helper 2 clonesCell receptor complexSpecific antigenT cell transfectants
1995
CD4 and CD45 regulate qualitatively distinct patterns of calcium mobilization in individual CD4+ T cells
Leitenberg D, Constant S, Lu D, Smith B, Bottomly K. CD4 and CD45 regulate qualitatively distinct patterns of calcium mobilization in individual CD4+ T cells. European Journal Of Immunology 1995, 25: 2445-2451. PMID: 7589109, DOI: 10.1002/eji.1830250906.Peer-Reviewed Original ResearchConceptsIntracellular calcium concentrationCalcium mobilizationSustained increaseT cellsCell activationCalcium concentrationCross-linking CD4Antigen-presenting cellsIntracellular calcium mobilizationT cell interactionsT cell activationT cell receptor complexT cell receptor signalingDistinct patternsCell receptor signalingIndividual CD4Cell receptor complexCD4Extracellular calciumCD3Specific antigenCross-linking antibodiesCalcium spikesCalcium fluxReceptor signaling
1989
Vascular endothelial cells enhance T cell responses by markedly augmenting IL-2 concentrations
Guinan E, Smith B, Doukas J, Miller R, Pober J. Vascular endothelial cells enhance T cell responses by markedly augmenting IL-2 concentrations. Cellular Immunology 1989, 118: 166-177. PMID: 2562928, DOI: 10.1016/0008-8749(89)90366-3.Peer-Reviewed Original ResearchConceptsPeripheral blood mononuclear cellsIL-2 concentrationsPolyclonal mitogen phytohemagglutininT cell responsesEndothelial cellsBlood monocytesUnfractionated peripheral blood mononuclear cellsCell responsesPrimary allogeneic responseSuboptimal PHA concentrationsExogenous IL-2Blood mononuclear cellsT cell populationsRecombinant IL-1Cultured human endothelial cellsDermal fibroblastsIL-2 synthesisVascular endothelial cellsQuantity of antigenHuman endothelial cellsAllogeneic responseMitogen phytohemagglutininMononuclear cellsIL-2Presence of EC