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 microbiotaPathogenic Autoreactive T and B Cells Cross-React with Mimotopes Expressed by a Common Human Gut Commensal to Trigger Autoimmunity
Ruff WE, Dehner C, Kim WJ, Pagovich O, Aguiar CL, Yu AT, Roth AS, Vieira SM, Kriegel C, Adeniyi O, Mulla MJ, Abrahams VM, Kwok WW, Nussinov R, Erkan D, Goodman AL, Kriegel MA. Pathogenic Autoreactive T and B Cells Cross-React with Mimotopes Expressed by a Common Human Gut Commensal to Trigger Autoimmunity. Cell Host & Microbe 2019, 26: 100-113.e8. PMID: 31227334, PMCID: PMC8194364, DOI: 10.1016/j.chom.2019.05.003.Peer-Reviewed Original ResearchConceptsAntiphospholipid syndromePathogenic monoclonal antibodyHuman autoimmune diseasesGut commensalsB-cell autoepitopesHuman gut commensalGPI IgGAPS patientsIgG titersOral gavageMemory TSusceptible miceAntigenic loadAutoimmune diseasesAutoimmune pathologyTrigger autoimmunityHuman autoimmunityGlycoprotein IGPI autoantibodiesAutoimmunityMonoclonal antibodiesCell clonesCross reactMimotopesAutoantibodiesCommensal orthologs of the human autoantigen Ro60 as triggers of autoimmunity in lupus
Greiling TM, Dehner C, Chen X, Hughes K, Iñiguez AJ, Boccitto M, Ruiz DZ, Renfroe SC, Vieira SM, Ruff WE, Sim S, Kriegel C, Glanternik J, Chen X, Girardi M, Degnan P, Costenbader KH, Goodman AL, Wolin SL, Kriegel MA. Commensal orthologs of the human autoantigen Ro60 as triggers of autoimmunity in lupus. Science Translational Medicine 2018, 10 PMID: 29593104, PMCID: PMC5918293, DOI: 10.1126/scitranslmed.aan2306.Peer-Reviewed Original ResearchConceptsLupus patientsGlomerular immune complex depositsPositive lupus patientsImmune complex depositsGerm-free miceSigns of autoimmunityB cell responsesT cell clonesNovel treatment approachesTriggers of autoimmunityCommensal bacterial speciesEarliest autoantibodiesChronic autoimmunityAutoimmune diseasesHealthy controlsT cellsTreatment approachesSusceptible individualsAutoimmunityCell responsesCommensal speciesLupusPatientsCell clonesGut commensals
2022
Subdoligranulum chews up joints: how a gut pathobiont can instigate arthritis
Kriegel M. Subdoligranulum chews up joints: how a gut pathobiont can instigate arthritis. Trends In Immunology 2022, 44: 4-6. PMID: 36494272, DOI: 10.1016/j.it.2022.11.006.Commentaries, Editorials and LettersConceptsRheumatoid arthritisSystemic autoimmune responseCertain autoimmune diseasesGnotobiotic mouse modelGut pathobiontSynovial inflammationAutoimmune responseAutoimmune diseasesMouse modelMonoclonal autoantibodiesArthritisGut commensalsHuman gut commensalAutoantibodiesOrigin hypothesisInflammationPathobiontsDiseaseSubdoligranulum
2017
Autoantibody 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
2016
Lupus T and B cell cross-reactivity between the human Ro60 autoantigen and Ro60 orthologs from the human microbiota
Greiling T, Dehner C, Renfroe S, Chen X, Vieira S, Ruff W, Goodman A, Wolin S, Kriegel M. Lupus T and B cell cross-reactivity between the human Ro60 autoantigen and Ro60 orthologs from the human microbiota. The Journal Of Immunology 2016, 196: 124.16-124.16. DOI: 10.4049/jimmunol.196.supp.124.16.Peer-Reviewed Original ResearchLupus patientsAnti-Ro60 antibodiesB cellsP. propionicumGerm-free miceGut commensalsHuman lupus patientsHuman microbiotaT cell clonesNovel therapeutic approachesSubset of skinAutoimmune TEarliest autoantibodiesLupus TRo60 antibodiesIgA antibodiesChronic autoimmunityMemory TSystemic autoimmunityHealthy controlsT cellsTherapeutic approachesPatientsSusceptible individualsAutoimmunity
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 potential
2014
Diet, microbiota and autoimmune diseases
Vieira S, Pagovich O, Kriegel M. Diet, microbiota and autoimmune diseases. Lupus 2014, 23: 518-526. PMID: 24763536, PMCID: PMC4009622, DOI: 10.1177/0961203313501401.Peer-Reviewed Original ResearchConceptsAutoimmune diseasesGut microbial communityGerm-free mouse modelDevelopment of autoimmunityDiet-derived metabolitesType 1 diabetesSeverity of diseaseLife-prolonging effectAdaptive immune systemAntiphospholipid syndromeAutoimmune modelSystemic lupusMultiple sclerosisGastrointestinal tractMurine modelMouse modelRodent modelsImmunomodulatory potentialCommensal bacteriaImmune systemCaloric restrictionGut microbiomeDietary changesLupusGut commensals