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 microbiotaA Diet-Sensitive Commensal Lactobacillus Strain Mediates TLR7-Dependent Systemic Autoimmunity
Zegarra-Ruiz DF, Beidaq A, Iñiguez AJ, Di Ricco M, Vieira S, Ruff WE, Mubiru D, Fine RL, Sterpka J, Greiling TM, Dehner C, Kriegel MA. A Diet-Sensitive Commensal Lactobacillus Strain Mediates TLR7-Dependent Systemic Autoimmunity. Cell Host & Microbe 2018, 25: 113-127.e6. PMID: 30581114, PMCID: PMC6377154, DOI: 10.1016/j.chom.2018.11.009.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAutoimmunityClostridiaceaeDendritic CellsDietDiet TherapyDisease Models, AnimalDNA, RibosomalFatty Acids, VolatileFecesFemaleGastrointestinal MicrobiomeGerm-Free LifeGlomerulonephritisHumansHypersensitivityInterferon Type IKidneyLactobacillusLimosilactobacillus reuteriLupus Erythematosus, SystemicMembrane GlycoproteinsMiceMice, Inbred C57BLRNA, Ribosomal, 16SStarchSurvival RateToll-Like Receptor 7ConceptsPlasmacytoid dendritic cellsSystemic lupus erythematosusInterferon pathwayToll-like receptor 7L. reuteri colonizationGut microbiota compositionDietary resistant starchShort-chain fatty acidsAutoimmune manifestationsDependent mouse modelSLE patientsOrgan involvementDendritic cellsLupus erythematosusReceptor 7Systemic autoimmunityHuman autoimmunityMouse modelGut microbiotaMetabolic diseasesMicrobiota compositionWestern lifestyleAutoimmunityDietary effectsBeneficial effects
2023
Translocating Lactobacillus torments tumors via tryptophan catabolism
Pereira M, Kriegel M. Translocating Lactobacillus torments tumors via tryptophan catabolism. Cell 2023, 186: 1821-1823. PMID: 37116468, DOI: 10.1016/j.cell.2023.03.022.Peer-Reviewed Original Research
2021
1504 The influence of dietary resistant starch content on the gut microbiota of patients with systemic lupus erythematosus and antiphospholipid syndrome
Kulyk I, Pereira M, Redanz S, Ruff W, Greiling T, Dehner C, Pagovich O, Ruiz D, Aguiar C, Erkan D, Kriegel M. 1504 The influence of dietary resistant starch content on the gut microbiota of patients with systemic lupus erythematosus and antiphospholipid syndrome. Lupus Science & Medicine 2021, 8: a63-a64. DOI: 10.1136/lupus-2021-lupus21century.87.Peer-Reviewed Original Research
2018
Gut commensal-dependent production of autoantibodies against the primordial lupus autoantigen Ro60 in the absence of mammalian Ro60.
Datta R, Dehner C, Ruff W, Greiling T, Kriegel M. Gut commensal-dependent production of autoantibodies against the primordial lupus autoantigen Ro60 in the absence of mammalian Ro60. The Journal Of Immunology 2018, 200: 162.11-162.11. DOI: 10.4049/jimmunol.200.supp.162.11.Peer-Reviewed Original ResearchAnti-Ro60 autoantibodiesSystemic lupus erythematosusB6 miceGut microbiotaSLE-like diseaseTraditional risk factorsDevelopment of lupusBroad-spectrum antibioticsMurine gut microbiotaLupus erythematosusAntigenic triggerAutoimmune responseTg miceInterventional studyKO miceRisk factorsIgG ELISAAutoantibody inductionDisease manifestationsOral administrationT cellsAutoantibodiesMiceRo60LupusPrevention of systemic autoimmunity by dietary modulation of the gut microbiota
Ruiz D, El-Beidaq A, Iniguez A, di Ricco M, Mubiro D, Vieira S, Ruff W, Sterpka J, Kriegel M. Prevention of systemic autoimmunity by dietary modulation of the gut microbiota. The Journal Of Immunology 2018, 200: 54.1-54.1. DOI: 10.4049/jimmunol.200.supp.54.1.Peer-Reviewed Original ResearchSystemic lupus erythematosusType I interferonShort-chain fatty acidsI interferonB6 miceTg miceAutoimmune diseasesGut microbiotaHuman systemic lupus erythematosusDendritic cell accumulationImmune-microbiota interactionsPrototypical autoimmune diseaseOnset of diseaseAmeliorate autoimmunityLupus inductionLupus manifestationsKidney involvementLupus pathogenesisLupus erythematosusTLR7 agonistSystemic autoimmunityPeyer's patchesDietary modulationCell accumulationGut microbial community
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 tissueMiceAutoantibody cross-reactivity with a microbial protein from a prevalent human gut commensal in antiphospholipid syndrome
ruff W, Roth A, Dehner C, Vieira S, Goodman A, Kriegel M. Autoantibody cross-reactivity with a microbial protein from a prevalent human gut commensal in antiphospholipid syndrome. The Journal Of Immunology 2017, 198: 58.4-58.4. DOI: 10.4049/jimmunol.198.supp.58.4.Peer-Reviewed Original ResearchAntiphospholipid syndromeAPS patientsGut commensalsBALB/cJ miceMajor B-cell epitopeGut commensal bacteriaAnti-B2GPI antibodiesB-cell epitopesInfectious triggerAutoantibody productionIgG autoantibodiesAntigenic sourceUnknown etiologyAutoantibody reactivityControl antibodyCell epitopesGut microbiotaCommensal bacteriaMajor autoantigenLow titersAutoantibodiesHuman stoolMonoclonal antibodiesVivo studiesPersistent stimulus
2015
A common gut commensal as a cross-reactive candidate in antiphospholipid syndrome (HUM3P.250)
Dehner C, Ruff W, VIEIRA S, Goodman A, Kriegel M. A common gut commensal as a cross-reactive candidate in antiphospholipid syndrome (HUM3P.250). The Journal Of Immunology 2015, 194: 121.10-121.10. DOI: 10.4049/jimmunol.194.supp.121.10.Peer-Reviewed Original ResearchAntiphospholipid syndromeGut commensalsCD4 memory T cellsB-cell immunodominant epitopesWestern blottingIL-17 secretionMemory T cellsB cell responsesAdaptive immune responsesCommon gut commensalPatient plasma samplesAPS patientsIL-10IL-2IL-4T cellsImmune responseImmunodominant epitopesGut microbiotaTh1 clonesMajor autoantigenMolecular mimicryCell responsesPlasma samplesAntigenic potentialGut commensal dependence of autoreactivity and Th17 cells in systemic autoimmunity (MUC9P.740)
Manfredo Vieira S, Ruff W, Hiltensperger M, Yu A, Goodman A, Kriegel M. Gut commensal dependence of autoreactivity and Th17 cells in systemic autoimmunity (MUC9P.740). The Journal Of Immunology 2015, 194: 205.4-205.4. DOI: 10.4049/jimmunol.194.supp.205.4.Peer-Reviewed Original ResearchAntiphospholipid syndromeSegmented filamentous bacteriaSystemic autoimmunityGut microbiotaAntiphospholipid antibody productionRegulatory IL-10Gut microbiota compositionAntigen-specific effectsBroad-spectrum antibioticsAnaerobic gut microbiotaTh17 cellsIL-17Infectious triggerPathogenic autoantibodiesPulmonary emboliIL-10IL-21Myocardial infarctionIL-1BSplenocyte proliferationAntibody productionMicrobiota compositionImmune systemAutoimmunityMicrobiota