2024
mRNA vaccination of rabbits alters the fecundity, but not the attachment, of adult Ixodes scapularis
Matias J, Cui Y, Lynn G, DePonte K, Mesquita E, Muramatsu H, Alameh M, Dwivedi G, Tam Y, Pardi N, Weissman D, Fikrig E. mRNA vaccination of rabbits alters the fecundity, but not the attachment, of adult Ixodes scapularis. Scientific Reports 2024, 14: 496. PMID: 38177212, PMCID: PMC10766947, DOI: 10.1038/s41598-023-50389-6.Peer-Reviewed Original Research
2021
Probing an Ixodes ricinus salivary gland yeast surface display with tick-exposed human sera to identify novel candidates for an anti-tick vaccine
Trentelman JJA, Tomás-Cortázar J, Knorr S, Barriales D, Hajdusek O, Sima R, Ersoz JI, Narasimhan S, Fikrig E, Nijhof AM, Anguita J, Hovius JW. Probing an Ixodes ricinus salivary gland yeast surface display with tick-exposed human sera to identify novel candidates for an anti-tick vaccine. Scientific Reports 2021, 11: 15745. PMID: 34344917, PMCID: PMC8333314, DOI: 10.1038/s41598-021-92538-9.Peer-Reviewed Original ResearchConceptsTick salivary gland proteinsLyme borreliosisVaccination studiesTick biteTick-borne encephalitis virusB. burgdorferi transmissionMultiple tick bitesYeast surface display libraryHuman infectious diseasesImmunization of rabbitsVaccination platformAnti-tick effectsAnti-tick vaccinesEncephalitis virusImmunodominant antigensInfectious diseasesNon-natural hostsTick immunityTick feedingImmunityBorreliosisBiteVaccineAntigenHuman serum
2020
Ixodes scapularis saliva components that elicit responses associated with acquired tick-resistance
Narasimhan S, Kurokawa C, Diktas H, Strank NO, Černý J, Murfin K, Cao Y, Lynn G, Trentleman J, Wu MJ, DePonte K, Kantor F, Anguita J, Hovius J, Fikrig E. Ixodes scapularis saliva components that elicit responses associated with acquired tick-resistance. Ticks And Tick-borne Diseases 2020, 11: 101369. PMID: 31924502, PMCID: PMC7382422, DOI: 10.1016/j.ttbdis.2019.101369.Peer-Reviewed Original ResearchConceptsTick-borne diseasesSalivary antigensAnti-tick vaccine candidatesIxodes scapularisTick salivary antigensTransmission of pathogensTick infestationTick rejectionTick proteinsViable vaccine targetsTick feedingPathogen transmissionRise worldTicksHost immune responseUrgent public health needScapularisMammalian hostsPathogensPublic health needsVaccine candidatesImmune responseSalivary glycoproteinsFeedingVaccine targeting
2015
Ixodes scapularis dystroglycan-like protein promotes Borrelia burgdorferi migration from the gut
Coumou J, Narasimhan S, Trentelman JJ, Wagemakers A, Koetsveld J, Ersoz JI, Oei A, Fikrig E, Hovius JW. Ixodes scapularis dystroglycan-like protein promotes Borrelia burgdorferi migration from the gut. Journal Of Molecular Medicine 2015, 94: 361-370. PMID: 26594018, PMCID: PMC4803822, DOI: 10.1007/s00109-015-1365-0.Peer-Reviewed Original ResearchConceptsB. burgdorferi transmissionTick gutLyme borreliosisTick feedingMurine modelVaccine targetsUninfected ticksRNA interferenceInfected ticksSalivary glandsBorrelia burgdorferiPotential targetGut tissueB. burgdorferiCausative agentIxodes ticksGutPrevious screeningTick proteinsGut cellsBurgdorferiMiceTicks resultsBorreliosisConfocal microscopy
2013
Factor Xa Activation of Factor V Is of Paramount Importance in Initiating the Coagulation System
Schuijt TJ, Bakhtiari K, Daffre S, DePonte K, Wielders SJ, Marquart JA, Hovius JW, van der Poll T, Fikrig E, Bunce MW, Camire RM, Nicolaes GA, Meijers JC, van ‘t Veer C. Factor Xa Activation of Factor V Is of Paramount Importance in Initiating the Coagulation System. Circulation 2013, 128: 254-266. PMID: 23817575, PMCID: PMC3826089, DOI: 10.1161/circulationaha.113.003191.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnticoagulantsArthropod ProteinsBlood CoagulationBlood Coagulation TestsDose-Response Relationship, DrugFactor VFactor XaFactor Xa InhibitorsFeeding BehaviorFibrinogenHumansIxodesMutagenesisProtein Structure, TertiaryRabbitsRecombinant ProteinsSalivary Proteins and PeptidesSurface Plasmon ResonanceThrombin
2012
SERUM ANTIBODIES TO WHOLE-CELL AND RECOMBINANT ANTIGENS OF BORRELIA BURGDORFERI IN COTTONTAIL RABBITS
Magnarelli LA, Norris SJ, Fikrig E. SERUM ANTIBODIES TO WHOLE-CELL AND RECOMBINANT ANTIGENS OF BORRELIA BURGDORFERI IN COTTONTAIL RABBITS. Journal Of Wildlife Diseases 2012, 48: 12-20. PMID: 22247369, PMCID: PMC3261588, DOI: 10.7589/0090-3558-48.1.12.Peer-Reviewed Original Research
2011
A Tick Mannose-Binding Lectin Inhibitor Interferes with the Vertebrate Complement Cascade to Enhance Transmission of the Lyme Disease Agent
Schuijt TJ, Coumou J, Narasimhan S, Dai J, DePonte K, Wouters D, Brouwer M, Oei A, Roelofs JJ, van Dam AP, van der Poll T, Veer C, Hovius JW, Fikrig E. A Tick Mannose-Binding Lectin Inhibitor Interferes with the Vertebrate Complement Cascade to Enhance Transmission of the Lyme Disease Agent. Cell Host & Microbe 2011, 10: 136-146. PMID: 21843870, PMCID: PMC3170916, DOI: 10.1016/j.chom.2011.06.010.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsBorrelia burgdorferiCell Migration AssaysCloning, MolecularComplement Membrane Attack ComplexComplement Pathway, Mannose-Binding LectinFemaleGene SilencingHemolysisHumansImmunization, PassiveImmunotherapy, ActiveInsect ProteinsIxodesLarvaLyme DiseaseMiceMice, Inbred C3HMolecular Sequence DataNeutrophilsNymphPhagocytosisRabbitsRecombinant ProteinsSalivaSalivary Proteins and PeptidesSequence AlignmentConceptsComplement cascadeLyme disease agent Borrelia burgdorferiImpaired neutrophil phagocytosisTick salivary proteinsVector-borne pathogensLyme disease agentMammalian infectionVector colonizationVertebrate hostsTick midgutAlternative complement pathwayBorrelia transmissionComplement-mediated killingVector proteinNeutrophil phagocytosisEssential rolePathway inhibitorComplement pathwayDisease agentsSalivary proteinsBorrelia burgdorferiLectin inhibitorsProteinCascadeIxodes ticksIdentification and Characterization of Ixodes scapularis Antigens That Elicit Tick Immunity Using Yeast Surface Display
Schuijt TJ, Narasimhan S, Daffre S, DePonte K, Hovius JW, Veer C, van der Poll T, Bakhtiari K, Meijers JC, Boder ET, van Dam AP, Fikrig E. Identification and Characterization of Ixodes scapularis Antigens That Elicit Tick Immunity Using Yeast Surface Display. PLOS ONE 2011, 6: e15926. PMID: 21246036, PMCID: PMC3016337, DOI: 10.1371/journal.pone.0015926.Peer-Reviewed Original ResearchConceptsSalivary antigensTick salivary antigensPotential vaccine candidatesAnti-coagulant activityTick biteImmunization studiesVaccine candidatesAnti-complement activityTick antigensRepeated exposureTick immunityAntigenRabbit serumHall markTicks resultsImmunitySerumYeast surface display libraryRabbitsDisplay libraryIxodes scapularisDrosophila expression systemP19Surface display libraryP8
2008
Preferential Protection of Borrelia burgdorferi Sensu Stricto by a Salp 15 Homologue in Ixodes ricinus Saliva
Hovius JW, Schuijt TJ, de Groot KA, Roelofs JJ, Oei GA, Marquart JA, de Beer R, Veer C, van der Poll T, Ramamoorthi N, Fikrig E, van Dam AP. Preferential Protection of Borrelia burgdorferi Sensu Stricto by a Salp 15 Homologue in Ixodes ricinus Saliva. The Journal Of Infectious Diseases 2008, 198: 1189-1197. PMID: 18752445, PMCID: PMC4317250, DOI: 10.1086/591917.Peer-Reviewed Original ResearchConceptsAntibody-mediated killingB. burgdorferiB. afzeliiB. gariniiEnzyme-linked immunosorbent assaySole causative agentBorrelia burgdorferi sensu latoBorrelia speciesSevere carditisOuter surface protein CImmune miceControl miceBorrelia burgdorferi sensu strictoBurgdorferi sensu latoSurface protein CSurvival advantageBurgdorferi sensu strictoSolid-phase overlayLyme borreliosisImmunosorbent assayProtein CCausative agentIxodes ticksBurgdorferiMice
2006
Borrelia burgdorferi Lacking BBK32, a Fibronectin-Binding Protein, Retains Full Pathogenicity
Li X, Liu X, Beck DS, Kantor FS, Fikrig E. Borrelia burgdorferi Lacking BBK32, a Fibronectin-Binding Protein, Retains Full Pathogenicity. Infection And Immunity 2006, 74: 3305-3313. PMID: 16714558, PMCID: PMC1479267, DOI: 10.1128/iai.02035-05.Peer-Reviewed Original ResearchConceptsB. burgdorferiFlat ticksB. burgdorferi proteinsTick biteSpirochete acquisitionLyme disease spirocheteAdverse effectsBorrelia burgdorferiFibronectin-binding proteinBurgdorferiFibronectin binding proteinMiceSpirochete life cycleLyme pathogenesisB. burgdorferi B31Mammalian hostsSyringe inoculationExpression profilesBBK32Surface lipoproteinsFibronectin bindingPathogenesisExpressionInfectionTemporal expression profiles
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
2001
Salp25D, an Ixodes scapularis Antioxidant, Is 1 of 14 Immunodominant Antigens in Engorged Tick Salivary Glands
Das S, Banerjee G, DePonte K, Marcantonio N, Kantor F, Fikrig E. Salp25D, an Ixodes scapularis Antioxidant, Is 1 of 14 Immunodominant Antigens in Engorged Tick Salivary Glands. The Journal Of Infectious Diseases 2001, 184: 1056-1064. PMID: 11574922, DOI: 10.1086/323351.Peer-Reviewed Original ResearchAmino Acid SequenceAnimalsAntigensAntioxidantsCattleCloning, MolecularConsensus SequenceEnzyme-Linked Immunosorbent AssayFemaleGene LibraryGlutathione PeroxidaseGuinea PigsHumansImmunoglobulin GInsect ProteinsIxodesMiceMice, Inbred C3HMolecular Sequence DataNematodaRabbitsRNA, MessengerSalivary GlandsSequence Homology, Amino AcidSpecies SpecificityTime Factors
1997
Heterogeneity of Lyme disease spirochaetes within individual vector ticks
Brunet L, Spielman A, Fikrig E, Telford SR. Heterogeneity of Lyme disease spirochaetes within individual vector ticks. Research In Microbiology 1997, 148: 437-445. PMID: 9765822, DOI: 10.1016/s0923-2508(97)83874-0.Peer-Reviewed Original Research
1994
Partial destruction of Borrelia burgdorferi within ticks that engorged on OspE- or OspF-immunized mice
Nguyen TP, Lam TT, Barthold SW, Telford SR, Flavell RA, Fikrig E. Partial destruction of Borrelia burgdorferi within ticks that engorged on OspE- or OspF-immunized mice. Infection And Immunity 1994, 62: 2079-2084. PMID: 8168973, PMCID: PMC186469, DOI: 10.1128/iai.62.5.2079-2084.1994.Peer-Reviewed Original ResearchConceptsEarly-stage disease patientsMajority of patientsLate-stage diseaseSerum of miceLyme disease vaccineB. burgdorferiB. burgdorferi organismsExamination of seraNumber of spirochetesOuter surface protein ESyringe challengeDisease patientsImmune responseDisease vaccinePatientsHigh titersLyme diseaseMiceAntibodiesDiseaseSerumBurgdorferiBorreliaDaysProtein EA 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 terminus
1993
Serologic analysis of dogs, horses, and cottontail rabbits for antibodies to an antigenic flagellar epitope of Borrelia burgdorferi
Fikrig E, Magnarelli LA, Chen M, Anderson JF, Flavell RA. Serologic analysis of dogs, horses, and cottontail rabbits for antibodies to an antigenic flagellar epitope of Borrelia burgdorferi. Journal Of Clinical Microbiology 1993, 31: 2451-2455. PMID: 7691874, PMCID: PMC265777, DOI: 10.1128/jcm.31.9.2451-2455.1993.Peer-Reviewed Original ResearchA 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