2006
Cutting Edge: CD4 Is the Receptor for the Tick Saliva Immunosuppressor, Salp15
Garg R, Juncadella IJ, Ramamoorthi N, Ashish, Ananthanarayanan SK, Thomas V, Rincón M, Krueger JK, Fikrig E, Yengo CM, Anguita J. Cutting Edge: CD4 Is the Receptor for the Tick Saliva Immunosuppressor, Salp15. The Journal Of Immunology 2006, 177: 6579-6583. PMID: 17082567, PMCID: PMC4302324, DOI: 10.4049/jimmunol.177.10.6579.Peer-Reviewed Original ResearchConceptsDownstream effector proteinsSrc kinase LckC-terminal residuesLipid raft reorganizationEffector proteinsKinase LckTyrosine phosphorylationMolecular basisExtracellular domainEarly stepsSalp15T cell activationSalivary proteinsCD4 coreceptorProteinCalcium fluxCell activationT cellsCellsLckRepressionPhosphorylationIL-2 productionResiduesCoreceptor
2002
Salp15, an Ixodes scapularis Salivary Protein, Inhibits CD4+ T Cell Activation
Anguita J, Ramamoorthi N, Hovius JW, Das S, Thomas V, Persinski R, Conze D, Askenase PW, Rincón M, Kantor FS, Fikrig E. Salp15, an Ixodes scapularis Salivary Protein, Inhibits CD4+ T Cell Activation. Immunity 2002, 16: 849-859. PMID: 12121666, DOI: 10.1016/s1074-7613(02)00325-4.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBase SequenceCalcium SignalingCD4-Positive T-LymphocytesCell DivisionDrosophilaFemaleInterleukin-2IxodesLymphocyte ActivationMiceMice, Inbred BALB CMolecular Sequence DataRabbitsRatsReceptors, Antigen, T-CellReceptors, Interleukin-2Salivary Proteins and PeptidesConceptsT cell activationVector-host interactionsI. scapularis salivaCell activationMolecular basisFunctional importanceTCR ligationSalp15ProteinSalivary proteinsTick salivaCalcium fluxIxodes scapularis salivaActivationArthropodsRepressionImmune responseLow productionPleiotropic propertiesHostInhibits CD4T cell-mediated immune responsesVivo
1996
Identification of a Borrelia burgdorferi OspA T cell epitope that promotes anti-OspA IgG in mice.
Bockenstedt LK, Fikrig E, Barthold SW, Flavell RA, Kantor FS. Identification of a Borrelia burgdorferi OspA T cell epitope that promotes anti-OspA IgG in mice. The Journal Of Immunology 1996, 157: 5496-502. PMID: 8955199, DOI: 10.4049/jimmunol.157.12.5496.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsAntibodies, BacterialAntigens, BacterialAntigens, SurfaceBacterial Outer Membrane ProteinsBacterial VaccinesEpitope MappingFemaleImmunization, PassiveImmunoglobulin GInterleukin-4LipoproteinsLymphocyte ActivationMiceMice, Inbred C3HMolecular Sequence DataPeptidesT-LymphocytesVaccines, SyntheticConceptsT cell epitopesCell epitopesPhase III efficacy studiesTick-borne spirochete Borrelia burgdorferiTreatment-resistant Lyme arthritisT cell responsesSurface protein AB-cell epitopesOuter surface protein ALyme arthritisChallenge infectionIgG productionN-terminal epitopeT cellsMultisystem disorderMurine modelSpirochete Borrelia burgdorferiSubunit vaccineEfficacy studiesCell responsesRecombinant vaccineLyme borreliosisLyme diseaseInfectionBorrelia burgdorferiEffect of anti-interleukin 12 treatment on murine lyme borreliosis.
Anguita J, Persing DH, Rincon M, Barthold SW, Fikrig E. Effect of anti-interleukin 12 treatment on murine lyme borreliosis. Journal Of Clinical Investigation 1996, 97: 1028-1034. PMID: 8613525, PMCID: PMC507149, DOI: 10.1172/jci118494.Peer-Reviewed Original Research
1994
Prominent T lymphocyte response to Borrelia burgdorferi from peripheral blood of unexposed donors
Roessner K, Russell J, Cooper S, Budd R, Fikrig E, Flavell R. Prominent T lymphocyte response to Borrelia burgdorferi from peripheral blood of unexposed donors. European Journal Of Immunology 1994, 24: 320-324. PMID: 7905415, DOI: 10.1002/eji.1830240207.Peer-Reviewed Original ResearchConceptsMemory T cellsT cellsPeripheral bloodB. burgdorferiProliferative responseNormal individualsPeripheral blood T cellsT lymphocyte responsesT cell responsesBlood T cellsNaive T cellsNormal adult peripheral bloodHLA-DR moleculesT cell clonesAdult peripheral bloodLyme disease patientsMultiple antigenic epitopesLymphocyte responsesSuperantigen responseUnexposed donorsMemory subsetsDisease patientsCord bloodLipopolysaccharide effectsCell responses
1993
Long-term study of cell-mediated responses to Borrelia burgdorferi in the laboratory mouse
de Souza MS, Smith AL, Beck DS, Terwilliger GA, Fikrig E, Barthold SW. Long-term study of cell-mediated responses to Borrelia burgdorferi in the laboratory mouse. Infection And Immunity 1993, 61: 1814-1822. PMID: 8478071, PMCID: PMC280770, DOI: 10.1128/iai.61.5.1814-1822.1993.Peer-Reviewed Original ResearchConceptsT cell responsesDelayed-type hypersensitivity responseVigorous T cell responseRecipient C3H miceCell-mediated responsesAntigen-specific proliferationBorrelia burgdorferi infectionB cell mitogensAntigen-specific assaysLaboratory miceAdoptive transferImmune dysfunctionHypersensitivity responseResistant miceLymphocyte proliferationLymphoid organsBurgdorferi infectionC3H miceInterleukin-2Prostaglandin productionB cellsDiminished numberLyme borreliosisImpaired proliferationLong-term studies
1992
Nonspecific Proliferative Responses of Murine Lymphocytes to Borrelia burgdorferi Antigens
de Souza M, Fikrig E, Smith A, Flavell R, Barthold SW. Nonspecific Proliferative Responses of Murine Lymphocytes to Borrelia burgdorferi Antigens. The Journal Of Infectious Diseases 1992, 165: 471-478. PMID: 1531672, DOI: 10.1093/infdis/165.3.471.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntigens, BacterialAntigens, SurfaceBacterial Outer Membrane ProteinsBacterial ProteinsBacterial VaccinesBorrelia burgdorferi GroupDose-Response Relationship, ImmunologicFlow CytometryImmunoglobulin GImmunoglobulin MLipopolysaccharidesLipoproteinsLymphocyte ActivationMiceMice, Inbred BALB CMice, Inbred C3HRecombinant ProteinsSpecific Pathogen-Free OrganismsConceptsBorrelia burgdorferi antigensNaive splenocytesNonspecific proliferationProliferative responseB. burgdorferiC3H/HeNCrlBR miceRecombinant outer surface proteinB cell-enriched fractionC3H/HeJ miceNonspecific proliferative responseAntigen-specific proliferationStrains of miceCell-enriched fractionB. burgdorferi spirochetesIgG synthesisHeJ miceB cellsMitogenic effectOuter surface proteinsMurine lymphocytesLyme borreliosisMiceSplenocytesBurgdorferiAntigen