2022
Use of host lipids by the Lyme disease spirochete may lead to biomarkers
Arora G, Hart T, Fikrig E. Use of host lipids by the Lyme disease spirochete may lead to biomarkers. Journal Of Clinical Investigation 2022, 132: e158254. PMID: 35289311, PMCID: PMC8920323, DOI: 10.1172/jci158254.Peer-Reviewed Original ResearchConceptsB. burgdorferi infectionLyme diseaseBurgdorferi infectionCareful clinical assessmentCommon tick-borne diseaseAnti-lipid antibodiesProduction of antibodiesTick-borne diseaseHost lipidsAntibody titersLyme disease agent Borrelia burgdorferiClinical assessmentCurrent biomarkersMurine modelDiseaseSerum samplesLyme disease spirocheteAntibodiesBorrelia burgdorferiInfectionBiomarkersPatientsLipidsSyphilisPhosphatidic acid
2014
Borrelia miyamotoi sensu lato Seroreactivity and Seroprevalence in the Northeastern United States - Volume 20, Number 7—July 2014 - Emerging Infectious Diseases journal - CDC
Krause PJ, Narasimhan S, Wormser GP, Barbour AG, Platonov AE, Brancato J, Lepore T, Dardick K, Mamula M, Rollend L, Steeves TK, Diuk-Wasser M, Usmani-Brown S, Williamson P, Sarksyan DS, Fikrig E, Fish D, . Borrelia miyamotoi sensu lato Seroreactivity and Seroprevalence in the Northeastern United States - Volume 20, Number 7—July 2014 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2014, 20: 1183-1190. PMID: 24960072, PMCID: PMC4073859, DOI: 10.3201/eid2007.131587.Peer-Reviewed Original ResearchConceptsB. burgdorferiInfectious Diseases journal - CDCSeroprevalence of IgGB. burgdorferi antigensLyme disease endemic areaDisease-endemic areasAntibody testingHealthy personsLyme diseaseSerum samplesSeroprevalenceBurgdorferiInfectionSame tickUnited StatesSensu latoArea residentsPersonsBorrelia spSeroreactivityIgGAntigenDiseaseSerum
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
2006
ANTIBODIES TO WHOLE-CELL OR RECOMBINANT ANTIGENS OF BORRELIA BURGDORFERI, ANAPLASMA PHAGOCYTOPHILUM, AND BABESIA MICROTI IN WHITE-FOOTED MICE
Magnarelli LA, Stafford KC, IJdo JW, Fikrig E. ANTIBODIES TO WHOLE-CELL OR RECOMBINANT ANTIGENS OF BORRELIA BURGDORFERI, ANAPLASMA PHAGOCYTOPHILUM, AND BABESIA MICROTI IN WHITE-FOOTED MICE. Journal Of Wildlife Diseases 2006, 42: 732-738. PMID: 17255439, DOI: 10.7589/0090-3558-42.4.732.Peer-Reviewed Original ResearchMeSH KeywordsAnaplasma phagocytophilumAnimalsAnimals, WildAntibodies, BacterialAntibodies, ProtozoanAntigens, BacterialAntigens, ProtozoanBabesia microtiBabesiosisBorrelia burgdorferiConnecticutEhrlichiosisEnzyme-Linked Immunosorbent AssayLyme DiseasePeromyscusRodent DiseasesSeroepidemiologic StudiesTick-Borne DiseasesConceptsEnzyme-linked immunosorbent assayB. burgdorferiOverall antibody prevalence rateBabesia microtiBorrelia burgdorferiAntibody prevalence ratesAnaplasma phagocytophilumA. phagocytophilumIndirect fluorescent antibodyWhite-footed miceWhole cell antigenTick-infested areasWhole-cell B. burgdorferiCurrent infectionPrevalence ratesMouse serumAntigenImmunosorbent assaySerum samplesRecombinant antigensAntibodiesSerumB. microtiMiceFluorescent antibody
2004
A comparison of serologic tests for the detection of serum antibodies to whole-cell and recombinant Borrelia burgdorferi antigens in cattle.
Magnarelli LA, Bushmich SL, Sherman BA, Fikrig E. A comparison of serologic tests for the detection of serum antibodies to whole-cell and recombinant Borrelia burgdorferi antigens in cattle. Canadian Veterinary Journal 2004, 45: 667-73. PMID: 15368740, PMCID: PMC546445.Peer-Reviewed Original ResearchMeSH KeywordsAnaplasma phagocytophilumAnimalsAntibodies, BacterialAntigens, BacterialBlotting, WesternBorrelia burgdorferiCattleCattle DiseasesConnecticutEnzyme-Linked Immunosorbent AssayFemaleFluorescent Antibody Technique, IndirectLyme DiseaseMaleMolecular WeightRecombinant ProteinsReproducibility of ResultsSensitivity and SpecificityTick InfestationsConceptsPolyvalent enzyme-linked immunosorbentVlsE antigenBorrelia burgdorferi antigensRecombinant antigensAntibody staining methodsHealthy dairyB. burgdorferi antigensIndirect fluorescent-antibody staining methodsCattle seraHigh specificityLeptospira interrogans serovarsBrucella spWhole cell antigenSerum samplesWestern blot procedureP39 antigen
2001
Reactivity of serum samples of dogs and horses tested by use of class-specific recombinant-based enzyme-linked immunosorbent assays for detection of granulocytic ehrlichiosis.
Magnarelli LA, Ijdo JW, Van Andel AE, Wu C, Oliver JH, Fikrig E. Reactivity of serum samples of dogs and horses tested by use of class-specific recombinant-based enzyme-linked immunosorbent assays for detection of granulocytic ehrlichiosis. American Journal Of Veterinary Research 2001, 62: 1365-9. PMID: 11560261, DOI: 10.2460/ajvr.2001.62.1365.Peer-Reviewed Original ResearchConceptsIgG antibodiesSerum samplesHGE agentGranulocytic ehrlichiosisClient-owned dogsDog serum samplesHuman granulocytic ehrlichiosis (HGE) agentEnzyme-linked immunosorbentPositive resultsWestern blot analysisTick-infested areasEhrlichia phagocytophila genogroupTotal immunoglobulinHorse serum samplesPromyelocytic leukemia cellsClinical relevanceHuman promyelocytic leukemia cellsProtein antigensIgMELISADogsLeukemia cellsAntibodiesBlot analysisAntigenRecombinant Protein-44-Based Class-Specific Enzyme-Linked Immunosorbent Assays for Serologic Diagnosis of Human Granulocytic Ehrlichiosis
Magnarelli L, IJdo J, Wu C, Fikrig E. Recombinant Protein-44-Based Class-Specific Enzyme-Linked Immunosorbent Assays for Serologic Diagnosis of Human Granulocytic Ehrlichiosis. European Journal Of Clinical Microbiology & Infectious Diseases 2001, 20: 482-485. PMID: 11561804, DOI: 10.1007/s100960100542.Peer-Reviewed Original ResearchConceptsPolyvalent enzyme-linked immunosorbent assaysClass-specific enzyme-linked immunosorbent assaysEnzyme-linked immunosorbent assayIndirect fluorescent-antibody analysisFluorescent antibody analysisImmunosorbent assaySpecificity testsIgG antibodiesHigh sensitivityHuman granulocytic ehrlichiosisHuman serumGranulocytic ehrlichiosisWhole cell antigenAntibody analysisImmunoglobulin M antibodiesOnset of illnessSerologic diagnosisSerum samplesHuman granulocytic ehrlichiosis (HGE) agentPatient 3False-positive resultsIgM antibodiesM antibodiesTotal immunoglobulinTotal antibodyPathogenic strategies of Anaplasma phagocytophilum, a unique bacterium that colonizes neutrophils
Carlyon J, Fikrig E. Pathogenic strategies of Anaplasma phagocytophilum, a unique bacterium that colonizes neutrophils. 2001, 301-330. DOI: 10.1017/cbo9780511754845.014.Peer-Reviewed Original ResearchEvaluation of a polyvalent enzyme-linked immunosorbent assay incorporating a recombinant p44 antigen for diagnosis of granulocytic ehrlichiosis in dogs and horses.
Magnarelli LA, Ijdo JW, Van Andel AE, Wu C, Fikrig E. Evaluation of a polyvalent enzyme-linked immunosorbent assay incorporating a recombinant p44 antigen for diagnosis of granulocytic ehrlichiosis in dogs and horses. American Journal Of Veterinary Research 2001, 62: 29-32. PMID: 11197555, DOI: 10.2460/ajvr.2001.62.29.Peer-Reviewed Original ResearchConceptsEquine samplesPolyvalent ELISAPolyvalent enzyme-linked immunosorbentGranulocytic ehrlichiosisIFA stainingEquine serum samplesE risticiiEhrlichia canisCanine serum samplesCanine samplesSpecific recombinant antigensE equiHorsesEhrlichiosisPercentage of samplesIndirect fluorescent antibody stainingRecombinant antigensDogsWhole cell antigenCanisEquiELISA resultsSerum samplesPresent studyFluorescent antibody staining
2000
Serologic confirmation of Ehrlichia equi and Borrelia burgdorferi infections in horses from the northeastern United States.
Magnarelli LA, Ijdo JW, Van Andel AE, Wu C, Padula SJ, Fikrig E. Serologic confirmation of Ehrlichia equi and Borrelia burgdorferi infections in horses from the northeastern United States. Journal Of The American Veterinary Medical Association 2000, 217: 1045-50. PMID: 11019714, DOI: 10.2460/javma.2000.217.1045.Peer-Reviewed Original ResearchConceptsB burgdorferiClinical signsGranulocytic ehrlichiosisSerum samplesDetectable serum antibodiesImmunoblot analysisIndirect fluorescent antibody stainingBorrelial antibodiesTick-infested areasRecombinant protein antigensProspective studyDetectable antibodiesSerum antibodiesSerologic confirmationFluorescent antibody stainingE equiAntibody reactivityClinical relevanceEtiologic agentClinical diagnosisEqui antibodiesProtein antigensEhrlichia equiELISAAntibodiesSerologic Diagnosis of Lyme Borreliosis by Using Enzyme-Linked Immunosorbent Assays with Recombinant Antigens
Magnarelli L, Ijdo J, Padula S, Flavell R, Fikrig E. Serologic Diagnosis of Lyme Borreliosis by Using Enzyme-Linked Immunosorbent Assays with Recombinant Antigens. Journal Of Clinical Microbiology 2000, 38: 1735-1739. PMID: 10790090, PMCID: PMC86574, DOI: 10.1128/jcm.38.5.1735-1739.2000.Peer-Reviewed Original ResearchConceptsEnzyme-linked immunosorbent assayHuman granulocytic ehrlichiosisRecombinant antigensClass-specific enzyme-linked immunosorbent assaysIgG antibodiesAntibody reactivityLyme borreliosisSerum samplesImmunoblotting of seraImmunoglobulin M antibodiesLow antibody titersB. burgdorferiEnzyme-linked immunosorbentWhole cell antigenAnalysis of serumWestern blot analysisOuter surface protein CErythema migransRheumatoid arthritisAntibody titersIgM antibodiesM antibodiesBorrelia burgdorferi sensu strictoOral infectionSurface protein C
1999
Serodiagnosis of Human Granulocytic Ehrlichiosis by a Recombinant HGE-44-Based Enzyme-Linked Immunosorbent Assay
Ijdo J, Wu C, Magnarelli L, Fikrig E. Serodiagnosis of Human Granulocytic Ehrlichiosis by a Recombinant HGE-44-Based Enzyme-Linked Immunosorbent Assay. Journal Of Clinical Microbiology 1999, 37: 3540-3544. PMID: 10523549, PMCID: PMC85687, DOI: 10.1128/jcm.37.11.3540-3544.1999.Peer-Reviewed Original ResearchConceptsPolyvalent enzyme-linked immunosorbent assaysEnzyme-linked immunosorbent assayRecombinant enzyme-linked immunosorbent assayIndirect fluorescent-antibody assaySerum samplesPatient serum samplesFluorescent-antibody assayCurrent antibodyNormal serum samplesImmunosorbent assayHuman granulocytic ehrlichiosisHuman monocytic ehrlichiosisSuitable antigenHigh costGranulocytic ehrlichiosisSerologic testing of horses for granulocytic ehrlichiosis, using indirect fluorescent antibody staining and immunoblot analysis.
Magnarelli L, Van Andel A, Ijdo J, Heimer R, Fikrig E. Serologic testing of horses for granulocytic ehrlichiosis, using indirect fluorescent antibody staining and immunoblot analysis. American Journal Of Veterinary Research 1999, 60: 631-5. PMID: 10328436, DOI: 10.2460/ajvr.1999.60.05.631.Peer-Reviewed Original ResearchANTIBODIES TO GRANULOCYTIC EHRLICHIAE IN WHITE-FOOTED AND COTTON MICE IN EASTERN UNITED STATES
Magnarelli L, Stafford K, IJdo J, Fikrig E, Oliver J, Hutcheson H, Boone J. ANTIBODIES TO GRANULOCYTIC EHRLICHIAE IN WHITE-FOOTED AND COTTON MICE IN EASTERN UNITED STATES. Journal Of Wildlife Diseases 1999, 35: 259-265. PMID: 10231752, DOI: 10.7589/0090-3558-35.2.259.Peer-Reviewed Original ResearchConceptsIndirect fluorescent antibodyNCH-1 strainHuman granulocytic ehrlichiosis (HGE) agentGranulocytic ehrlichiaeWestern blot analysisP. gossypinusSerologic assaysImmune responseWestern blot procedureEtiologic agentMouse serumSurveillance programSerum samplesMiceSerumAntibodiesEndemic sitesFluorescent antibodyBlot analysisWhite-footed miceIFA methodTitersEhrlichiaeP. leucopusAmelia IslandThe Immunoglobulin (IgG) Antibody Response to OspA and OspB Correlates with Severe and Prolonged Lyme Arthritis and the IgG Response to P35 Correlates with Mild and Brief Arthritis
Akin E, McHugh G, Flavell R, Fikrig E, Steere A. The Immunoglobulin (IgG) Antibody Response to OspA and OspB Correlates with Severe and Prolonged Lyme Arthritis and the IgG Response to P35 Correlates with Mild and Brief Arthritis. Infection And Immunity 1999, 67: 173-181. PMID: 9864212, PMCID: PMC96293, DOI: 10.1128/iai.67.1.173-181.1999.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAntigens, BacterialAntigens, SurfaceArthritis, InfectiousBacterial Outer Membrane ProteinsBacterial ProteinsBacterial VaccinesBorrelia burgdorferi GroupChildChild, PreschoolFemaleHumansImmunoglobulin GLipoproteinsLongitudinal StudiesLyme DiseaseMaleMiddle AgedSeverity of Illness IndexConceptsAntibody responseIgG antibodiesEarly arthritisLyme arthritisIgG responsesEarly infectionDuration of arthritisChronic Lyme arthritisIgG antibody responseSerial serum samplesBorrelia burgdorferi proteinsSubsequent arthritisB. burgdorferi proteinsSurface protein CC-terminal epitopeImmune responseArthritisSubsequent severityNatural historyLyme diseasePatientsSerum samplesImmunoglobulin GProtein CInfection
1997
Serologic diagnosis of canine and equine borreliosis: use of recombinant antigens in enzyme-linked immunosorbent assays
Magnarelli LA, Flavell RA, Padula SJ, Anderson JF, Fikrig E. Serologic diagnosis of canine and equine borreliosis: use of recombinant antigens in enzyme-linked immunosorbent assays. Journal Of Clinical Microbiology 1997, 35: 169-173. PMID: 8968901, PMCID: PMC229532, DOI: 10.1128/jcm.35.1.169-173.1997.Peer-Reviewed Original ResearchConceptsRecombinant antigensPolyvalent enzyme-linked immunosorbent assaysWhole-cell B. burgdorferiEnzyme-linked immunosorbent assayWestern blot analysisOuter surface protein ASensu strictoBlot analysisWhole cellsProtein AOSPFSerologic diagnosisBorrelia burgdorferi sensu strictoEquid seraBurgdorferi sensu strictoB. burgdorferiSurface protein AP41OspCWhole cell antigenEquine serumDog serumImmunosorbent assayOspBSerum samples
1996
Use of recombinant antigens of Borrelia burgdorferi in serologic tests for diagnosis of lyme borreliosis
Magnarelli LA, Fikrig E, Padula SJ, Anderson JF, Flavell RA. Use of recombinant antigens of Borrelia burgdorferi in serologic tests for diagnosis of lyme borreliosis. Journal Of Clinical Microbiology 1996, 34: 237-240. PMID: 8788993, PMCID: PMC228775, DOI: 10.1128/jcm.34.2.237-240.1996.Peer-Reviewed Original ResearchConceptsEnzyme-linked immunosorbent assaySerum samplesRecombinant antigensPolyvalent enzyme-linked immunosorbent assaysLyme borreliosisClass-specific enzyme-linked immunosorbent assaysWhole-cell B. burgdorferiImmunoglobulin M antibodiesB. burgdorferi infectionOspC antigenErythema migransRheumatoid arthritisM antibodiesBorrelia burgdorferi sensu strictoIgG antibodiesOral infectionSerologic testsBurgdorferi infectionBurgdorferi sensu strictoPredominant reactivityAntigenOuter surface proteins OspAImmunosorbent assayBorrelia burgdorferiB. burgdorferi
1995
Coexistence of antibodies to tick-borne pathogens of babesiosis, ehrlichiosis, and Lyme borreliosis in human sera
Magnarelli LA, Dumler JS, Anderson JF, Johnson RC, Fikrig E. Coexistence of antibodies to tick-borne pathogens of babesiosis, ehrlichiosis, and Lyme borreliosis in human sera. Journal Of Clinical Microbiology 1995, 33: 3054-3057. PMID: 8576376, PMCID: PMC228637, DOI: 10.1128/jcm.33.11.3054-3057.1995.Peer-Reviewed Original ResearchConceptsLyme borreliosisTick-borne agentsTick-borne pathogensSerum samplesCoexistence of antibodiesB. microti infectionIndirect fluorescent antibodyMaximal antibody titersConnecticut patientsErythema migransSerologic evidenceSerologic testingClinical pictureAntibody titersTotal immunoglobulinMicroti infectionClinical diagnosisEnd pointBabesia microtiBorrelia burgdorferiEhrlichia chaffeensisBorreliosisFluorescent antibodyAntibodiesE. chaffeensisA 55-kilodalton antigen encoded by a gene on a Borrelia burgdorferi 49-kilobase plasmid is recognized by antibodies in sera from patients with Lyme disease
Feng S, Das S, Lam T, Flavell RA, Fikrig E. A 55-kilodalton antigen encoded by a gene on a Borrelia burgdorferi 49-kilobase plasmid is recognized by antibodies in sera from patients with Lyme disease. Infection And Immunity 1995, 63: 3459-3466. PMID: 7642278, PMCID: PMC173477, DOI: 10.1128/iai.63.9.3459-3466.1995.Peer-Reviewed Original ResearchConceptsLate-stage Lyme diseaseEarly stage Lyme diseaseLyme diseaseIgM antibodiesSubset of patientsBorrelia burgdorferiLyme disease patientsEnzyme-linked immunosorbent assayRecombinant S1Disease patientsIgG antibodiesPulsed-field gel electrophoresisS1 antigenPatientsAntigenDiseaseSerum samplesImmunosorbent assaySerumAntibodiesB. burgdorferiRabbit antiBurgdorferiCultured spirochetesArthritis