Featured Publications
Within-host evolution of a gut pathobiont facilitates liver translocation
Yang Y, Nguyen M, Khetrapal V, Sonnert ND, Martin AL, Chen H, Kriegel MA, Palm NW. Within-host evolution of a gut pathobiont facilitates liver translocation. Nature 2022, 607: 563-570. PMID: 35831502, PMCID: PMC9308686, DOI: 10.1038/s41586-022-04949-x.Peer-Reviewed Original ResearchConceptsHost evolutionGene expression programsCell wall structureNon-synonymous mutationsComparative genomicsIndependent lineagesExperimental evolutionExpression programsDivergent evolutionRegulatory genesBacterial behaviorCritical regulatorBacterial translocationGut commensalsTranslocationE. gallinarumMesenteric lymph nodesInitiation of inflammationImmune evasionWall structureEvade DetectionMucosal nicheLactobacillus reuteriCommensalGut microbiota
2018
Spontaneous translocation of a human enterococcal gut pathobiont drives systemic autoimmunity
Vieira S, Hiltensperger M, Kumar V, Zegarra-Ruiz D, Dehner C, Barbieri A, Jain D, Goodman A, Kriegel M. Spontaneous translocation of a human enterococcal gut pathobiont drives systemic autoimmunity. The Journal Of Immunology 2018, 200: 162.10-162.10. DOI: 10.4049/jimmunol.200.supp.162.10.Peer-Reviewed Original ResearchHost-microbiota interactionsOral vancomycin treatmentInduction of autoantibodiesPlasmacytoid dendritic cellsMesenteric lymph nodesPathogenesis of autoimmunityE. gallinarumAutoimmune hepatitisTfh cellsLupus patientsOrgan manifestationsPathogenic autoantibodiesDendritic cellsLymph nodesCytokines IFNGut barrierVancomycin treatmentC57BL/6 animalsSystemic autoimmunityInduction of moleculesLiver tissueAutoimmunityAhR pathwayBarrier functionMucus layerGut pathobiont translocation induces lymphocyte migration to internal organs in autoimmunity
Fine R, Vieira S, Ruiz D, Kriegel M. Gut pathobiont translocation induces lymphocyte migration to internal organs in autoimmunity. The Journal Of Immunology 2018, 200: 102.16-102.16. DOI: 10.4049/jimmunol.200.supp.102.16.Peer-Reviewed Original ResearchC57BL/6 miceT cellsLymphocyte migrationInternal organsE. gallinarumProne C57BL/6 miceSystemic autoimmune diseaseSecondary lymphoid organsAutoimmune-prone (NZB/NZW) F1 miceGut homingGut pathobiontOral antibioticsSplenic CD4Autoantibody productionHost-microbiota interactionsAutoimmune diseasesSystemic autoimmunityLymphoid organsPeyer's patchesF1 miceMouse modelAutoimmunityPathobiontsMiceLymphocytes
2017
Spontaneous Translocation of a Gut Pathobiont Drives Autoimmunity that is Preventable by Intramuscular Vaccination
Vieira S, Hiltensperger M, Kumar V, Dehner C, Zegarra-Ruiz D, Ruff W, Khan N, Goodman A, Kriegel M. Spontaneous Translocation of a Gut Pathobiont Drives Autoimmunity that is Preventable by Intramuscular Vaccination. The Journal Of Immunology 2017, 198: 199.20-199.20. DOI: 10.4049/jimmunol.198.supp.199.20.Peer-Reviewed Original ResearchMesenteric lymph nodesGut microbiotaE. gallinarumGerm-free (GF) C57BL/6 miceAutoimmune hepatitis patientsInduction of autoantibodiesPathogenesis of autoimmunityNovel therapeutic avenuesTfh cellsDietary antigensIntramuscular vaccineIntramuscular vaccinationHepatitis patientsLymph nodesGut barrierHost-microbiota interactionsOral gavageC57BL/6 miceSystemic autoimmunityPortal veinTherapeutic avenuesAutoimmunitySingle antibioticLiver tissueMice