2020
Antigen Discovery, Bioinformatics and Biological Characterization of Novel Immunodominant Babesia microti Antigens
Verma N, Puri A, Essuman E, Skelton R, Anantharaman V, Zheng H, White S, Gunalan K, Takeda K, Bajpai S, Lepore TJ, Krause PJ, Aravind L, Kumar S. Antigen Discovery, Bioinformatics and Biological Characterization of Novel Immunodominant Babesia microti Antigens. Scientific Reports 2020, 10: 9598. PMID: 32533024, PMCID: PMC7293334, DOI: 10.1038/s41598-020-66273-6.Peer-Reviewed Original ResearchConceptsPotential biological functionsBiological functionsCellular localization studiesB. microtiEvolutionary relationshipsDomain architectureBioinformatics analysisRecombinant proteinsExtracellular domainLocalization studiesPrimary causative agentUnrelated groupsE. coliBiological characterizationNovel assayIntraerythrocytic parasitesBabesia microtiDistinct classesProteinCausative agentAntigen discoveryGlobal public health impactB. microti antibodiesB. microti antigenTransfusion of bloodClofazimine, a Promising Drug for the Treatment of Babesia microti Infection in Severely Immunocompromised Hosts
Tuvshintulga B, Vannier E, Tayebwa DS, Gantuya S, Sivakumar T, Guswanto A, Krause PJ, Yokoyama N, Igarashi I. Clofazimine, a Promising Drug for the Treatment of Babesia microti Infection in Severely Immunocompromised Hosts. The Journal Of Infectious Diseases 2020, 222: 1027-1036. PMID: 32310272, DOI: 10.1093/infdis/jiaa195.Peer-Reviewed Original ResearchConceptsB. microti parasitesMicroti infectionHigh-grade parasitemiaDrug-resistant tuberculosisB. microtiBabesia microti infectionAdditional preclinical studiesB. microti infectionImmunocompromised hostB. microti DNAPolymerase chain reactionPreclinical studiesIncidence of babesiosisPromising drugRadical cureMinimal doseClofazimineDay 10Blood smearsBabesia microtiNovel drugsParasitemiaChain reactionMicroscopic examinationAntimicrobial agents105 Babesiosis
Vannier E, Krause P. 105 Babesiosis. 2020, 799-802. DOI: 10.1016/b978-0-323-55512-8.00105-8.Peer-Reviewed Original ResearchPolymerase chain reactionProphylactic antibiotic regimenLife-threatening complicationsMainstay of treatmentSolid organ transplantationBest preventive measureAntibiotic regimenFrequent symptomsHospital admissionDefinitive diagnosisSevere babesiosisBlood productsOrgan transplantationEtiologic agentBabesia microtiPreventive measuresZoonotic diseaseChain reactionB. duncaniBabesiosisDiseaseB. venatorumHemoprotozoan parasitesB. divergensAlternative option
2018
Superior real‐time polymerase chain reaction detection of Babesia microti parasites in whole blood utilizing high‐copy BMN antigens as amplification targets
Grabias B, Clement J, Krause PJ, Lepore T, Kumar S. Superior real‐time polymerase chain reaction detection of Babesia microti parasites in whole blood utilizing high‐copy BMN antigens as amplification targets. Transfusion 2018, 58: 1924-1932. PMID: 29664114, DOI: 10.1111/trf.14642.Peer-Reviewed Original ResearchConceptsParasites/mLBlood donorsBlood samplesSeroreactive antigensBabesia microti parasitesWhole bloodTransfusion-transmitted infectionsParasite nucleic acidsReal-time polymerase chain reactionWhole blood samplesPolymerase chain reaction detectionPolymerase chain reactionSensitive molecular assaysBlood productsClinical characterizationRT-PCR detectionReal-time polymerase chain reaction detectionLaboratory diagnosisBabesia microtiStudy designInfected ticksDilution panelsAntigenZoonotic diseaseBlood
2016
Transfusion-transmitted babesiosis
Levin AE, Krause PJ. Transfusion-transmitted babesiosis. Current Opinion In Hematology 2016, 23: 573-580. PMID: 27537475, PMCID: PMC5241272, DOI: 10.1097/moh.0000000000000287.Peer-Reviewed Original ResearchConceptsTransfusion-transmitted babesiosisBlood donorsB. microti antibodiesInfectious blood donorsAssociated mortality rateOptimal screening strategyTransfusion-transmitted pathogensSignificant health burdenAvailable screening toolsUnited States populationPathogen inactivation methodsMicroti antibodiesSevere illnessHealth burdenMortality rateUS FoodDrug AdministrationBabesia microtiScreening toolLaboratory screeningScreening strategyBabesiosisInactivation methodPCR assaysRecent studies
2015
Coinfection by Ixodes Tick-Borne Pathogens: Ecological, Epidemiological, and Clinical Consequences
Diuk-Wasser MA, Vannier E, Krause PJ. Coinfection by Ixodes Tick-Borne Pathogens: Ecological, Epidemiological, and Clinical Consequences. Trends In Parasitology 2015, 32: 30-42. PMID: 26613664, PMCID: PMC4713283, DOI: 10.1016/j.pt.2015.09.008.Peer-Reviewed Original ResearchConceptsB. microtiDisease severityGreater disease severityEnzootic cycleCoinfected individualsTick-borne pathogenClinical consequencesTherapeutic strategiesLyme diseaseBabesia microtiHost factorsCoinfectionBorrelia burgdorferiB. burgdorferiIxodes ticksMicrotiReservoir hostsSeverityHuman pathogensBurgdorferiHuman babesiosis
Chen T, Mamoun C, Krause P. Human babesiosis. 2015, 1295-1301. DOI: 10.1017/cbo9781139855952.226.Peer-Reviewed Original ResearchHuman babesiosisB. microtiB. microti infectionHard-bodied ticksClustering of casesHuman granulocytic anaplasmosisAcute illnessRenal failureBlood transfusionMicroti infectionCommon causeBabesia duncaniEndemic areasEtiologic agentHuman infectionsHuman B. microti infectionIntraerythrocytic protozoaLyme diseaseBabesia microtiBabesia speciesDiseaseGranulocytic anaplasmosisBabesia infectionIntraerythrocytic parasitesInfection
2014
Monitoring Human Babesiosis Emergence through Vector Surveillance New England, USA - Volume 20, Number 2—February 2014 - Emerging Infectious Diseases journal - CDC
Diuk-Wasser MA, Liu Y, Steeves TK, Folsom-O'Keefe C, Dardick KR, Lepore T, Bent SJ, Usmani-Brown S, Telford SR, Fish D, Krause PJ. Monitoring Human Babesiosis Emergence through Vector Surveillance New England, USA - Volume 20, Number 2—February 2014 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2014, 20: 225-231. PMID: 24447577, PMCID: PMC3901474, DOI: 10.3201/eid2002.130644.Peer-Reviewed Original ResearchConceptsHuman babesiosisInfectious Diseases journal - CDCProtozoan Babesia microtiDisease-endemic areasTick-borne diseaseBabesiosis-endemic areasSame tick vectorInfection rateInfection ratioTick infection ratesLyme diseaseBabesia microtiHuman casesDiseaseDisease expansionBabesiosisReservoir hostsTick vectorHuman diseasesSurveillanceClose association
2012
Cellular basis for clearance of the protozoan parasite Babesia microti in immunocompromised hosts (43.13)
Vannier E, Silver Z, Wilson C, Su J, Chiam J, Laurie S, Telford S, Gelfand J, Krause P, Wortis H. Cellular basis for clearance of the protozoan parasite Babesia microti in immunocompromised hosts (43.13). The Journal Of Immunology 2012, 188: 43.13-43.13. DOI: 10.4049/jimmunol.188.supp.43.13.Peer-Reviewed Original ResearchCD4-/- miceB cellsT cellsMild flu-like illnessBabesia microtiResolution of parasitemiaAbsence of CD4Flu-like illnessRag1-/- miceRole of complementB-cell lymphomaCourse of infectionPrimary etiologic agentMature B cellsCD4-CD8Specific IgGAnti-CD20Athymic miceCell lymphomaFc receptorsHealthy individualsCD4ParasitemiaEtiologic agentInfectious diseasesPreventing transfusion‐transmitted babesiosis: preliminary experience of the first laboratory‐based blood donor screening program
Young C, Chawla A, Berardi V, Padbury J, Skowron G, Krause PJ, Group T. Preventing transfusion‐transmitted babesiosis: preliminary experience of the first laboratory‐based blood donor screening program. Transfusion 2012, 52: 1523-1529. PMID: 22452654, DOI: 10.1111/j.1537-2995.2012.03612.x.Peer-Reviewed Original ResearchConceptsTransfusion-transmitted babesiosisCases of TTBPolymerase chain reactionBlood donorsThalassemia patientsCommon transfusion-transmitted infectionSickle cellsIndeterminate PCR resultsPositive IFA resultsTransfusion-transmitted infectionsInvestigational new drug applicationReal-time polymerase chain reactionUnscreened bloodDonor screeningPatientsIFA resultsDrug AdministrationNew drug applicationsPreliminary experienceIndirect immunofluorescenceBabesia microtiStudy designDrug applicationChain reactionPCR results
2010
Emergence of Resistance to Azithromycin-Atovaquone in Immunocompromised Patients with Babesia microti Infection
Wormser GP, Prasad A, Neuhaus E, Joshi S, Nowakowski J, Nelson J, Mittleman A, Aguero-Rosenfeld M, Topal J, Krause PJ. Emergence of Resistance to Azithromycin-Atovaquone in Immunocompromised Patients with Babesia microti Infection. Clinical Infectious Diseases 2010, 50: 381-386. PMID: 20047477, DOI: 10.1086/649859.Peer-Reviewed Original ResearchConceptsDrug regimenB. microtiLevel of immunosuppressionBabesia microti infectionTreatment of babesiosisDrug-resistant strainsEmergence of resistanceActive babesiosisMicrobiologic relapseLaboratory abnormalitiesDrug regimensImmunocompromised patientsOptimal therapyTreatment failureDrug therapyMicroti infectionPatientsClinical case historiesDrug resistanceBabesia microtiInfectionRegimenMicrotiEventual developmentBabesiosis
2008
Human Babesiosis
Chen T, Krause P. Human Babesiosis. 2008, 1381-1388. DOI: 10.1017/cbo9780511722240.200.Peer-Reviewed Original ResearchHuman babesiosisB. microtiBabesia speciesB. microti infectionHard-bodied ticksClustering of casesHuman granulocytic anaplasmosisEastern North AmericaAcute illnessBlood transfusionRenal failureMicroti infectionCommon causeBabesia duncaniEndemic areasEtiologic agentHuman B. microti infectionBabesial infectionIntraerythrocytic protozoaBabesia microtiLyme diseaseDiseaseGranulocytic anaplasmosisIntraerythrocytic parasitesNorth America
2003
Increasing health burden of human babesiosis in endemic sites.
KRAUSE PJ, McKay K, Gadbaw J, Christianson D, Closter L, Lepore T, TELFORD SR, Sikand V, Ryan R, Persing D, RADOLF JD, Spielman A, _ _. Increasing health burden of human babesiosis in endemic sites. American Journal Of Tropical Medicine And Hygiene 2003, 68: 431-6. PMID: 12875292, DOI: 10.4269/ajtmh.2003.68.431.Peer-Reviewed Original ResearchConceptsYears of ageEndemic sitesCommunity-based serosurveysClinical spectrumHealth burdenPeople 20Borrelial infectionHuman infectionsBabesial infectionMore older adultsBabesia microtiBabesial antigensOlder adultsHuman babesiosisYoung adultsInfectionBorrelia burgdorferiIncidenceThree-fourthsAdultsAgePrudence IslandSeroprevalenceSerosurveyHospitalBabesiosis Diagnosis and Treatment
Krause PJ. Babesiosis Diagnosis and Treatment. Vector-Borne And Zoonotic Diseases 2003, 3: 45-51. PMID: 12804380, DOI: 10.1089/153036603765627451.Peer-Reviewed Original ResearchConceptsBlood smearsThin blood smearsPolymerase chain reactionRobust antibody responseLife-saving therapyUseful screening testPulmonary compromiseSubclinical illnessSerologic testingClinical manifestationsExchange transfusionAntibody responseAdverse reactionsHigh parasitemiaConclusive diagnosisSevere diseaseAccurate diagnosisScreening testBabesial infectionBabesia microtiHuman babesiosisInfectionSignificant hemolysisDiseaseSmears
2000
Babesiosis
Homer M, Aguilar-Delfin I, Telford S, Krause P, Persing D. Babesiosis. Clinical Microbiology Reviews 2000, 13: 451-469. DOI: 10.1128/cmr.13.3.451.Peer-Reviewed Original ResearchPossible pathogenic mechanismsAppropriate patient managementInfected red blood cellsSpecies of BabesiaMalaria-like diseaseWidespread blood parasitesRed blood cellsSilent infectionEpidemiological descriptionDisease manifestationsPatient managementImmunological responsePear-shaped formsSevere hemolysisDisease processPathogenic mechanismsHematotropic parasitesBabesia microtiBabesial parasitesDiagnostic testsBlood cellsVeterinary impactBabesia speciesGenus BabesiaIxodid ticksSerological Expression Cloning of Novel Immunoreactive Antigens of Babesia microti
Lodes M, Houghton R, Bruinsma E, Mohamath R, Reynolds L, Benson D, Krause P, Reed S, Persing D. Serological Expression Cloning of Novel Immunoreactive Antigens of Babesia microti. Infection And Immunity 2000, 68: 2783-2790. PMID: 10768973, PMCID: PMC97488, DOI: 10.1128/iai.68.5.2783-2790.2000.Peer-Reviewed Original ResearchConceptsRelated antigensBabesia microtiSerological expression cloningB. microtiHumoral immune responseB. microti infectionClass of antigensSporozoite surface antigenPatient serum poolsWestern blot analysisBlood transfusionMicroti infectionImmune responseSurface antigenImmunodominant antigensAntigenHuman babesiosisMolecular testsGenomic expression libraryPlasmodium spCausative agentSerum poolsImmunoreactive antigensBlot analysisMicroti
1998
Persistent Parasitemia after Acute Babesiosis
Krause P, Spielman A, Telford S, Sikand V, McKay K, Christianson D, Pollack R, Brassard P, Magera J, Ryan R, Persing D. Persistent Parasitemia after Acute Babesiosis. New England Journal Of Medicine 1998, 339: 160-165. PMID: 9664092, DOI: 10.1056/nejm199807163390304.Peer-Reviewed Original ResearchConceptsDuration of parasitemiaSpecific therapySide effectsInfected peopleCommunity-based studyEpisodes of illnessProtozoan Babesia microtiBabesial DNASymptoms of babesiosisRecrudescent diseaseQuinine therapyThin blood smearsPersistent parasitemiaInfected subjectsSerologic testsIll subjectsSpecific symptomsAcute babesiosisMore monthsParasitemiaBlood smearsBabesial infectionTherapyBabesia microtiSymptoms
1995
Infection with a Babesia-Like Organism in Northern California
Persing D, Herwaldt B, Glaser C, Lane R, Thomford J, Mathiesen D, Krause P, Phillip D, Conrad P. Infection with a Babesia-Like Organism in Northern California. New England Journal Of Medicine 1995, 332: 298-303. PMID: 7816065, DOI: 10.1056/nejm199502023320504.Peer-Reviewed Original ResearchConceptsB. microti antigenIndirect immunofluorescent antibody testingImmunofluorescent antibody testingInfluenza-like illnessHodgkin's diseaseSerologic testingAsymptomatic infectionClinical spectrumSeroprevalence ratesPolymerase chain reactionPatientsFatal diseaseProtozoal parasitesInfectionBabesia microtiHuman babesiosisBabesia antigensDiseaseGenetic sequence analysisChain reactionCanine pathogensAntigenB. divergensGenus Babesia