2019
Borrelia miyamotoi infection leads to cross-reactive antibodies to the C6 peptide in mice and men
Koetsveld J, Platonov A, Kuleshov K, Wagemakers A, Hoornstra D, Ang W, Szekeres S, van Duijvendijk G, Fikrig E, Embers M, Sprong H, Hovius J. Borrelia miyamotoi infection leads to cross-reactive antibodies to the C6 peptide in mice and men. Clinical Microbiology And Infection 2019, 26: 513.e1-513.e6. PMID: 31404672, DOI: 10.1016/j.cmi.2019.07.026.Peer-Reviewed Original ResearchConceptsCross-reactive antibodiesC6 peptideEnzyme immunoassayLyme borreliosisBorrelia miyamotoi infectionBMD patientsExperimental murine infectionC6 enzyme immunoassayAvailable immunoblotNegative immunoblotMiyamotoi infectionTick bitePatient seraMurine infectionPatientsReactivity testingInfectionVlsE proteinBorrelia miyamotoiBorrelia burgdorferiMice
2012
Enhanced Survival of Plasmodium-Infected Mosquitoes during Starvation
Zhao YO, Kurscheid S, Zhang Y, Liu L, Zhang L, Loeliger K, Fikrig E. Enhanced Survival of Plasmodium-Infected Mosquitoes during Starvation. PLOS ONE 2012, 7: e40556. PMID: 22808193, PMCID: PMC3393683, DOI: 10.1371/journal.pone.0040556.Peer-Reviewed Original ResearchConceptsSurvival advantageInsulin-like signalingAbility of mosquitoesInsulin-like peptidesInfection altersUninfected mosquitoesOocyst developmentPlasmodium developmentEnhanced expressionInsect vectorsPeriods of starvationFitness costsEnhanced survivalVertebrate hostsMicroarray analysisCarbohydrate catabolismCause malariaPlasmodiumStarvationMosquitoes
2009
Fusion Loop Peptide of the West Nile Virus Envelope Protein Is Essential for Pathogenesis and Is Recognized by a Therapeutic Cross-Reactive Human Monoclonal Antibody
Sultana H, Foellmer HG, Neelakanta G, Oliphant T, Engle M, Ledizet M, Krishnan MN, Bonafé N, Anthony KG, Marasco WA, Kaplan P, Montgomery RR, Diamond MS, Koski RA, Fikrig E. Fusion Loop Peptide of the West Nile Virus Envelope Protein Is Essential for Pathogenesis and Is Recognized by a Therapeutic Cross-Reactive Human Monoclonal Antibody. The Journal Of Immunology 2009, 183: 650-660. PMID: 19535627, PMCID: PMC3690769, DOI: 10.4049/jimmunol.0900093.Peer-Reviewed Original ResearchConceptsWest Nile virus envelope proteinWest Nile virusVirus envelope proteinDengue virusCross-reactive human monoclonal antibodiesBlood-brain barrier permeabilityEnvelope proteinWest Nile virus infectionNeutralization escape variantsNile virusWest Nile encephalitisNeutralization escape mutantsHuman monoclonal antibodyFatal neurological diseaseParental West Nile virusFusion loopEscape variantsInflammatory responseBarrier permeabilityLethal encephalitisMAb11Virus infectionHuman mAbsEscape mutantsNeurological diseases
2006
Antiviral Peptides Targeting the West Nile Virus Envelope Protein
Bai F, Town T, Pradhan D, Cox J, Ashish, Ledizet M, Anderson JF, Flavell RA, Krueger JK, Koski RA, Fikrig E. Antiviral Peptides Targeting the West Nile Virus Envelope Protein. Journal Of Virology 2006, 81: 2047-2055. PMID: 17151121, PMCID: PMC1797586, DOI: 10.1128/jvi.01840-06.Peer-Reviewed Original ResearchConceptsWest Nile virusMurine blood-brain barrierEnvelope proteinBlood-brain barrierPeptide 9West Nile encephalitisWNV envelope proteinCentral nervous systemWest Nile virus envelope proteinCDNA phage display libraryBrain parenchymaVirus envelope proteinHuman encephalitisViral envelope proteinsWNV infectionControl animalsPeptide-1Nervous systemRelated flavivirusesDengue virusAntiviral activityNew therapeuticsInhibition concentrationAntiviral peptidesNile virus
1998
Heat shock protein 70 of the agent of human granulocytic ehrlichiosis binds to Borrelia burgdorferi antibodies.
Ijdo J, Zhang Y, Anderson M, Goldberg D, Fikrig E. Heat shock protein 70 of the agent of human granulocytic ehrlichiosis binds to Borrelia burgdorferi antibodies. MSphere 1998, 5: 118-20. PMID: 9455892, PMCID: PMC121403, DOI: 10.1128/cdli.5.1.118-120.1998.Peer-Reviewed Original ResearchConceptsHuman granulocytic ehrlichiosisEhrlichial antigenHSP-70Borrelia burgdorferi antibodiesSerologic test resultsHeat shock protein 70Shock protein 70Burgdorferi antibodiesPatient seraGranulocytic ehrlichiosisLyme diseaseFirst weekHeat shock proteinsLyme disease spirochetePrior exposureImmunoglobulin GProtein 70Immunoblot analysisAntigenShock proteinsSerumAntibodiesPatientsIllnessIgG
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 burgdorferi
1993
Serologic response to the Borrelia burgdorferi flagellin demonstrates an epitope common to a neuroblastoma cell line.
Fikrig E, Berland R, Chen M, Williams S, Sigal LH, Flavell RA. Serologic response to the Borrelia burgdorferi flagellin demonstrates an epitope common to a neuroblastoma cell line. Proceedings Of The National Academy Of Sciences Of The United States Of America 1993, 90: 183-187. PMID: 7678336, PMCID: PMC45624, DOI: 10.1073/pnas.90.1.183.Peer-Reviewed Original ResearchConceptsNeuroblastoma cell linesHuman neuroblastoma cell linePatient seraCell linesPathogenesis of neuroborreliosisNeural tissueB. burgdorferi flagellinB-cell epitopesAmino acids 213Neurologic manifestationsSerologic responseSpecific B-cell epitopesBorrelia burgdorferi flagellinImmune responseLyme borreliosisMonoclonal antibodiesRecombinant fusion proteinSerumAntibodiesBorrelia burgdorferiEpitopesEpitope mappingFlagellinTissueNeuroborreliosis
1991
Molecular mapping of Osp-A mediated immunity against Borrelia burgdorferi, the agent of Lyme disease.
Sears JE, Fikrig E, Nakagawa TY, Deponte K, Marcantonio N, Kantor FS, Flavell RA. Molecular mapping of Osp-A mediated immunity against Borrelia burgdorferi, the agent of Lyme disease. The Journal Of Immunology 1991, 147: 1995-2000. PMID: 1716290, DOI: 10.4049/jimmunol.147.6.1995.Peer-Reviewed Original ResearchConceptsLack of responseSurface protein AOuter surface protein AUninfected miceProtect miceProtective immunityImmunized miceImmune responseProtective epitopesLyme diseaseMiceInfected humansInfectionSerumNatural infectionBorrelia burgdorferiDependent epitopesAntibodiesEpitopesImmunityHuman serumHumansProtein AImmunizationVaccine