2005
Seroprevalence of antibodies against Borrelia burgdorferi and Anaplasma phagocytophilum in cats.
Magnarelli LA, Bushmich SL, IJdo JW, Fikrig E. Seroprevalence of antibodies against Borrelia burgdorferi and Anaplasma phagocytophilum in cats. American Journal Of Veterinary Research 2005, 66: 1895-9. PMID: 16334946, DOI: 10.2460/ajvr.2005.66.1895.Peer-Reviewed Original ResearchConceptsRecombinant antigensSerum antibodiesB. burgdorferiHealthy catsBorrelia burgdorferiSeroprevalence of antibodiesWestern blot testingAnaplasma phagocytophilumA. phagocytophilumB. burgdorferi antigensWhole cell antigenA. phagocytophilum infectionIndirect fluorescent antibody stainingWestern blot analysisIxodes scapularis ticksSeropositivity rateWhole-cell B. burgdorferiSerum reactivityIll catsFluorescent antibody stainingClinical relevanceSera reactiveSpecific recombinant antigensMost catsOuter surface proteins
2002
The Lyme Disease Vaccine Takes Its Toll
Thomas V, Fikrig E. The Lyme Disease Vaccine Takes Its Toll. Vector-Borne And Zoonotic Diseases 2002, 2: 217-222. PMID: 12804162, DOI: 10.1089/153036602321653798.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, BacterialAntigens, SurfaceBacterial Outer Membrane ProteinsBacterial VaccinesBorrelia burgdorferiHumansLipoproteinsLyme DiseaseLyme Disease VaccinesMembrane GlycoproteinsMiceMice, KnockoutReceptors, Cell SurfaceToll-Like Receptor 1Toll-Like Receptor 2Toll-Like ReceptorsConceptsTLR2-deficient miceToll-like receptorsPathogen-associated molecular patternsOspA antibodiesSpecific Toll-like receptorsBorrelia burgdorferi outer surface proteinDetectable humoral responseMolecular patternsProtective immune responseLyme disease vaccineDistinct pathogen-associated molecular patternsVaccine recipientsHumoral responseOspA vaccineCell surface expressionOspA vaccinationImmune responseDisease vaccineInnate responseTLR2Protective responseOuter surface proteinsTLR1Lyme diseaseDevelopment of responses
1999
Influence of Outer Surface Protein A Antibody onBorrelia burgdorferi within Feeding Ticks
de Silva A, Zeidner N, Zhang Y, Dolan M, Piesman J, Fikrig E. Influence of Outer Surface Protein A Antibody onBorrelia burgdorferi within Feeding Ticks. Infection And Immunity 1999, 67: 30-35. PMID: 9864192, PMCID: PMC96273, DOI: 10.1128/iai.67.1.30-35.1999.Peer-Reviewed Original ResearchConceptsAntibody levelsSalivary glandsAntibody titersOspA antibodiesBorrelia burgdorferiLow antibody levelsNumber of spirochetesDensity of spirochetesEnzyme-linked immunosorbentFeeding ticksSurface protein AAbility of spirochetesOuter surface protein AProtective epitopesCompetitive enzyme-linked immunosorbentOuter surface proteinsSpirochetal agentLyme diseaseAntibodiesB. burgdorferiTitersIxodes ticksGlandBurgdorferiSpirochetes
1996
Borrelia burgdorferi OspA is an arthropod-specific transmission-blocking Lyme disease vaccine.
de Silva AM, Telford SR, Brunet LR, Barthold SW, Fikrig E. Borrelia burgdorferi OspA is an arthropod-specific transmission-blocking Lyme disease vaccine. Journal Of Experimental Medicine 1996, 183: 271-275. PMID: 8551231, PMCID: PMC2192397, DOI: 10.1084/jem.183.1.271.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, BacterialAntigens, BacterialAntigens, SurfaceArachnid VectorsBacterial Outer Membrane ProteinsBacterial VaccinesBorrelia burgdorferi GroupDigestive SystemFluorescent Antibody TechniqueImmunotherapy, AdoptiveIxodesLipoproteinsLyme DiseaseMiceMice, Inbred C3HSalivary GlandsConceptsOspA antibodiesTick attachmentUnfed nymphal ticksLyme disease vaccineB. burgdorferi infectionBlood mealMechanism of protectionTick blood mealSpirochete infectionBurgdorferi infectionDisease vaccineGland invasionExpression of OspAOuter surface proteinsSpirochetal agentLyme diseaseMiceSalivary gland invasionAntibodiesSalivary glandsBorrelia burgdorferiIxodes ticksOspA expressionTick gutVaccine
1995
Serologic responses of dogs naturally exposed to or vaccinated against Borrelia burgdorferi infection.
Barthold S, Levy S, Fikrig E, Bockenstedt L, Smith A. Serologic responses of dogs naturally exposed to or vaccinated against Borrelia burgdorferi infection. Journal Of The American Veterinary Medical Association 1995, 207: 1435-40. PMID: 7493871, DOI: 10.2460/javma.1995.207.11.1435.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, BacterialBacterial Outer Membrane ProteinsBacterial ProteinsBacterial VaccinesBiological AssayBlotting, WesternBorrelia burgdorferi GroupDog DiseasesDogsEnzyme-Linked Immunosorbent AssayFemaleImmune SeraImmunoglobulin GImmunoglobulin MLyme DiseaseMaleMiceMice, Inbred C3HVaccinationConceptsSerologic responseAntibiotic treatmentVaccinated dogsRecombinant outer surface proteinPassive protective activityBorrelia burgdorferi infectionMeans of ELISAImmunoblot analysisSeronegative dogsClinical responseSerologic testingClinical criteriaControl dogsAntibody responseMouse protectionB burgdorferiClinical trialsBurgdorferi infectionInfected dogsELISA titersProtective activityOuter surface proteinsUseful antigenDogsBorrelia burgdorferiSafety and Immunogenicity of an Outer Surface Protein A Vaccine in Subjects with Previous Lyme Disease
Schoen R, Meurice F, Brunet C, Cretella S, Krause D, Craft J, Fikrig E. Safety and Immunogenicity of an Outer Surface Protein A Vaccine in Subjects with Previous Lyme Disease. The Journal Of Infectious Diseases 1995, 172: 1324-1329. PMID: 7594671, DOI: 10.1093/infdis/172.5.1324.Peer-Reviewed Original ResearchMeSH KeywordsAdultAntibodies, BacterialAntibody FormationAntigens, SurfaceBacterial Outer Membrane ProteinsBacterial VaccinesBorrelia burgdorferi GroupDose-Response Relationship, DrugEnzyme-Linked Immunosorbent AssayHumansImmunization ScheduleImmunoglobulin GLipoproteinsLyme DiseaseProspective StudiesSafetyVaccines, SyntheticConceptsSide effectsLyme diseaseOspA vaccinePrevious Lyme diseaseThree-dose scheduleLocal side effectsSystemic side effectsLyme vaccineMild arthralgiaVaccine doseThird doseProspective studyOspA antibodiesHealthy volunteersOuter surface proteinsVaccinePatientsDiseaseImmunogenicityDoseMonthsSubjectsSurface proteinsSafetyArthralgiaLyme Disease in Human DR4Dw4-Transgenic Mice
Feng S, Barthold S, Bockenstedt L, Zaller D, Fikrig E. Lyme Disease in Human DR4Dw4-Transgenic Mice. The Journal Of Infectious Diseases 1995, 172: 286-289. PMID: 7797933, DOI: 10.1093/infdis/172.1.286.Peer-Reviewed Original ResearchConceptsDR4 transgenic miceChronic Lyme arthritisLyme arthritisGroups of miceHigh antibody titersHLA-DR4 allelesB. burgdorferiControl miceMajor histocompatibility complex class II genesAntibody titersArthritisOuter surface proteinsClass II genesLyme diseaseMiceDay 120Beta 1 domainsAlpha 1Equal severityBorrelia burgdorferiMouse IBurgdorferiHuman alpha 1DiseaseSurface proteinsCircumvention of outer surface protein A immunity by host-adapted Borrelia burgdorferi
Barthold SW, Fikrig E, Bockenstedt LK, Persing DH. Circumvention of outer surface protein A immunity by host-adapted Borrelia burgdorferi. Infection And Immunity 1995, 63: 2255-2261. PMID: 7768606, PMCID: PMC173294, DOI: 10.1128/iai.63.6.2255-2261.1995.Peer-Reviewed Original ResearchConceptsInfectious doseInfected skinCultured Borrelia burgdorferiBorrelia burgdorferiLow-dose infectionMedian infectious doseNumber of spirochetesSurface protein ASyringe challengeB. burgdorferi OspAOuter surface protein AChallenge doseDisseminated infectionHost-adapted spirochetesSkin transplantsSyngenic miceOuter surface proteinsMiceHyperimmune serumDoseImmunologic recognitionInfectionSeroconversionTransplantationDisease developmentOral vaccination with an attenuated Salmonella typhimurium strain expressing Borrelia burgdorferi OspA prevents murine Lyme borreliosis
Dunne M, al-Ramadi BK, Barthold SW, Flavell RA, Fikrig E. Oral vaccination with an attenuated Salmonella typhimurium strain expressing Borrelia burgdorferi OspA prevents murine Lyme borreliosis. Infection And Immunity 1995, 63: 1611-1614. PMID: 7890431, PMCID: PMC173199, DOI: 10.1128/iai.63.4.1611-1614.1995.Peer-Reviewed Original ResearchConceptsAnti-OspA antibodyMurine Lyme borreliosisDevelopment of antibodiesMajor outer surface proteinsSalmonella typhimurium strainsOral vaccinationIntradermal challengeMouse modelAttenuated strainOuter surface proteinsHigh titersLyme borreliosisLyme diseaseBorrelia burgdorferiTyphimurium strainsCausative agentDiseaseAntibodiesSurface proteinsSalmonella typhimuriumGavageVaccinationMiceTitersBorreliosis
1994
A chromosomal Borrelia burgdorferi gene encodes a 22-kilodalton lipoprotein, P22, that is serologically recognized in Lyme disease
Lam TT, Nguyen TP, Fikrig E, Flavell RA. A chromosomal Borrelia burgdorferi gene encodes a 22-kilodalton lipoprotein, P22, that is serologically recognized in Lyme disease. Journal Of Clinical Microbiology 1994, 32: 876-883. PMID: 8027338, PMCID: PMC263156, DOI: 10.1128/jcm.32.4.876-883.1994.Peer-Reviewed Original ResearchConceptsLate-stage diseaseLyme diseaseOuter surface proteinsEarly-stage diseaseExamination of seraErythema migransSurface proteinsPulsed-field gel electrophoresisPatientsEtiologic agentDiseaseBorrelia burgdorferiB. burgdorferiAntibodiesLipoproteinBorrelia burgdorferi genesSerumBurgdorferiShort amino terminusOuter surface proteins E and F of Borrelia burgdorferi, the agent of Lyme disease
Lam TT, Nguyen TP, Montgomery RR, Kantor FS, Fikrig E, Flavell RA. Outer surface proteins E and F of Borrelia burgdorferi, the agent of Lyme disease. Infection And Immunity 1994, 62: 290-298. PMID: 8262642, PMCID: PMC186099, DOI: 10.1128/iai.62.1.290-298.1994.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAntigens, BacterialBacterial Outer Membrane ProteinsBacterial ProteinsBase SequenceBlotting, WesternBorrelia burgdorferi GroupCloning, MolecularCodonFluorescent Antibody TechniqueGenes, BacterialHumansLipoproteinsLyme DiseaseMolecular Sequence DataMolecular WeightOperonRegulatory Sequences, Nucleic AcidRestriction MappingSequence AlignmentSequence Homology, Nucleic AcidSolubilityConceptsOspE genesMolecular massSignal peptidase IIConsensus cleavage sequenceTranscriptional unitsLeader sequenceCommon promoterBp downstreamOuter surface proteinsProtein EStop codonSurface lipoproteinsLabeling showBorrelia burgdorferiGenesHydrophobic domainCleavage sequenceSurface proteinsAmino acidsPeptidase IIProteinOuter surface protein EGel electrophoresisNucleotidesImmunofluorescence studies
1993
Evasion of protective immunity by Borrelia burgdorferi by truncation of outer surface protein B.
Fikrig E, Tao H, Kantor FS, Barthold SW, Flavell RA. Evasion of protective immunity by Borrelia burgdorferi by truncation of outer surface protein B. Proceedings Of The National Academy Of Sciences Of The United States Of America 1993, 90: 4092-4096. PMID: 7683420, PMCID: PMC46452, DOI: 10.1073/pnas.90.9.4092.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsAntibodiesAntibodies, MonoclonalAntigens, BacterialAntigens, SurfaceBacterial Outer Membrane ProteinsBase SequenceBorrelia burgdorferi GroupCloning, MolecularCodonEpitopesEscherichia coliFemaleFluorescent Antibody TechniqueGenes, BacterialHumansLyme DiseaseMiceMice, Inbred C3HPolymerase Chain ReactionRecombinant Fusion ProteinsRecombinant ProteinsRestriction MappingTicksVaccines, SyntheticViral VaccinesConceptsProtective immune responseVaccination immunityProtective immunityProtective antibodiesAntibody responseImmune destructionImmune responseHost defenseOuter surface proteinsLyme diseaseOuter surface protein BBorrelia burgdorferiCausative agentOspBMicePolyclonal antibodiesImmunityAntibodiesPresent studyStrain B31Surface proteinsProtein BPrevious studiesVaccinationOspB.A monoclonal antibody to OspA inhibits association of Borrelia burgdorferi with human endothelial cells
Comstock LE, Fikrig E, Shoberg RJ, Flavell RA, Thomas DD. A monoclonal antibody to OspA inhibits association of Borrelia burgdorferi with human endothelial cells. Infection And Immunity 1993, 61: 423-431. PMID: 7678585, PMCID: PMC302746, DOI: 10.1128/iai.61.2.423-431.1993.Peer-Reviewed Original ResearchConceptsEndothelial cellsB. burgdorferiMonoclonal antibodiesInhibitory effectHUVE cellsBorrelia burgdorferiCultured human umbilical vein endothelial cellsNorth American strainsLevel of adherenceHuman umbilical vein endothelial cellsUmbilical vein endothelial cellsInhibition of adherenceImmunoglobulin G fractionVein endothelial cellsHuman endothelial cellsSurface proteinsAmerican strainsOspA epitopeOuter surface proteinsInhibitory actionPenetration assayMAbsG fractionAntibodiesBurgdorferi
1992
Serologic Diagnosis of Lyme Disease using Recombinant Outer Surface Proteins A and Band Flagellin
Fikrig E, Huguenel E, Berland R, Rahn D, Hardin J, Flavell R. Serologic Diagnosis of Lyme Disease using Recombinant Outer Surface Proteins A and Band Flagellin. The Journal Of Infectious Diseases 1992, 165: 1127-1132. PMID: 1583333, DOI: 10.1093/infdis/165.6.1127.Peer-Reviewed Original ResearchConceptsLyme diseaseRecombinant outer surface proteinRecombinant outer surface protein AB. burgdorferi antigensSurface protein AOuter surface protein AEarly diseaseLate diseaseSerologic diagnosisDiagnostic testingOuter surface proteinsImmunogenic regionPatientsDiseaseBorrelia burgdorferiELISAImmunoblotAntibodiesSurface proteinsFlagellinProtein AAntigenDiagnosisNonspecific 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