2025
Engineering Mice to Study Human Immunity
Sefik E, Xiao T, Chiorazzi M, Odell I, Zhang F, Agrawal K, Micevic G, Flavell R. Engineering Mice to Study Human Immunity. Annual Review Of Immunology 2025, 43: 451-487. PMID: 40020225, DOI: 10.1146/annurev-immunol-082523-124415.Peer-Reviewed Original ResearchHumanized miceHuman hematopoiesisImmune responseImmune systemHumanized mouse modelHuman hematopoietic stemImmunocompromised murine hostsResident immune cellsHuman immune responseStudy human immunityHuman immune systemIntegration of multi-omicsHematopoietic stemImmune cell growthImmune cellsEngineered MiceProgenitor cellsMouse modelImmunological diseasesMurine hostCancer treatmentPreclinical drugsHuman immunityMiceModel disease
2022
Tick transmission of Borrelia burgdorferi to the murine host is not influenced by environmentally acquired midgut microbiota
Narasimhan S, Rajeevan N, Graham M, Wu MJ, DePonte K, Marion S, Masson O, O’Neal A, Pedra JHF, Sonenshine DE, Fikrig E. Tick transmission of Borrelia burgdorferi to the murine host is not influenced by environmentally acquired midgut microbiota. Microbiome 2022, 10: 173. PMID: 36253842, PMCID: PMC9575305, DOI: 10.1186/s40168-022-01378-w.Peer-Reviewed Original Research
2019
A highly efficient and faithful MDS patient-derived xenotransplantation model for pre-clinical studies
Song Y, Rongvaux A, Taylor A, Jiang T, Tebaldi T, Balasubramanian K, Bagale A, Terzi YK, Gbyli R, Wang X, Fu X, Gao Y, Zhao J, Podoltsev N, Xu M, Neparidze N, Wong E, Torres R, Bruscia EM, Kluger Y, Manz MG, Flavell RA, Halene S. A highly efficient and faithful MDS patient-derived xenotransplantation model for pre-clinical studies. Nature Communications 2019, 10: 366. PMID: 30664659, PMCID: PMC6341122, DOI: 10.1038/s41467-018-08166-x.Peer-Reviewed Original ResearchConceptsPatient-derived xenograftsMyelodysplastic syndromeXenotransplantation modelDysplastic morphologyImmunodeficient murine hostsPre-clinical studiesMDS stem cellsMDS subtypesComprehensive preclinical studiesPreclinical studiesTherapeutic efficacyMurine hostSerial transplantationDrug mechanismsMDS researchStem cell propagationStem cellsDifferentiation potentialHematopoietic stem cell nicheGenetic complexityNovel avenuesStem cell nicheCell propagationDisease representationsImmunodeficient
2009
Toll-Like Receptors 1 and 2 Heterodimers Alter Borrelia burgdorferi Gene Expression in Mice and Ticks
Fikrig E, Narasimhan S, Neelakanta G, Pal U, Chen M, Flavell R. Toll-Like Receptors 1 and 2 Heterodimers Alter Borrelia burgdorferi Gene Expression in Mice and Ticks. The Journal Of Infectious Diseases 2009, 200: 1331-1340. PMID: 19754309, PMCID: PMC2846271, DOI: 10.1086/605950.Peer-Reviewed Original ResearchConceptsGene expressionMicroarray analysisB. burgdorferi gene expressionQuantitative reverse transcription-polymerase chain reaction analysisToll-like receptor 1Reverse transcription-polymerase chain reaction analysisReceptor 1Expression profilesWild-type animalsHost TLRsArthropod vectorsMessenger RNA levelsPolymerase chain reaction analysisChain reaction analysisB. burgdorferi-infected ticksGenesBurgdorferi-infected ticksRNA levelsExpressionMurine hostBorrelia burgdorferiReaction analysisWild-type miceAnimalsHeterodimers
2002
Molecular Adaptation of Borrelia burgdorferi in the Murine Host
Liang FT, Nelson FK, Fikrig E. Molecular Adaptation of Borrelia burgdorferi in the Murine Host. Journal Of Experimental Medicine 2002, 196: 275-280. PMID: 12119353, PMCID: PMC2193918, DOI: 10.1084/jem.20020770.Peer-Reviewed Original ResearchConceptsLipoprotein geneMolecular adaptationsHost immune selection pressureAnalysis of expressionNovel adaptation mechanismSteps of adaptationSelection pressureLyme disease spirocheteB. burgdorferiMurine hostGenesHost tissuesImmune selection pressureAdaptation mechanismsChronic infectionMurine infectionCritical stepHostBorrelia burgdorferiInfectionAdaptationSpirochetesBurgdorferiInitial inoculumPathogens
2000
Arthropod- and Host-Specific Borrelia burgdorferi bbk32 Expression and the Inhibition of Spirochete Transmission
Fikrig E, Feng W, Barthold S, Telford S, Flavell R. Arthropod- and Host-Specific Borrelia burgdorferi bbk32 Expression and the Inhibition of Spirochete Transmission. The Journal Of Immunology 2000, 164: 5344-5351. PMID: 10799897, DOI: 10.4049/jimmunol.164.10.5344.Peer-Reviewed Original ResearchConceptsSpirochete transmissionLyme borreliosisB. burgdorferi infectionB. burgdorferi transmissionMechanisms of immunityIxodes scapularis ticksCutaneous sitesImmunized miceSpirochete numbersBurgdorferi infectionMurine infectionMurine hostMiceInfectionMRNA levelsScapularis ticksB. burgdorferiTick engorgementMurine tissuesVector-borne diseasesBorreliosisAdult ticksAntiserumBBK32Regulated expression
1999
Borrelia burgdorferi erpT expression in the arthropod vector and murine host
Fikrig E, Chen M, Barthold S, Anguita J, Feng W, Telford S, Flavell R. Borrelia burgdorferi erpT expression in the arthropod vector and murine host. Molecular Microbiology 1999, 31: 281-290. PMID: 9987129, DOI: 10.1046/j.1365-2958.1999.01171.x.Peer-Reviewed Original ResearchConceptsRNA polymerase chain reactionPolymerase chain reactionB. burgdorferi-infected miceBurgdorferi-infected miceB. burgdorferiMurine infectionChain reactionMurine hostImmunization of miceExtracutaneous sitesDifferential antibodyPersistent infectionArthropod vectorsIndirect immunofluorescenceBSK II mediumMiceImmunofluorescence studiesInfectionBurgdorferiAntibodiesAntigenBorrelia burgdorferi genesSmall minorityMammalian hostsNorthern blot
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