Featured Publications
Pathogenic 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 reactMimotopesAutoantibodiesTranslocation of a gut pathobiont drives autoimmunity in mice and humans
Vieira S, Hiltensperger M, Kumar V, Zegarra-Ruiz D, Dehner C, Khan N, Costa FRC, Tiniakou E, Greiling T, Ruff W, Barbieri A, Kriegel C, Mehta SS, Knight JR, Jain D, Goodman AL, Kriegel MA. Translocation of a gut pathobiont drives autoimmunity in mice and humans. Science 2018, 359: 1156-1161. PMID: 29590047, PMCID: PMC5959731, DOI: 10.1126/science.aar7201.Peer-Reviewed Original ResearchConceptsGut pathobiontAutoimmune-prone miceMurine findingsIntramuscular vaccinePathogenic autoantibodiesLiver biopsyAutoimmune responseAutoimmune patientsAntibiotic treatmentT cellsImmune diseasesAutoimmunitySusceptible humansPathobiontsSystemic tissuesHuman hepatocytesAutoantibodiesMortalityMiceCocultureHepatocytesGenetic backgroundTissueBiopsyPatients
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
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 cellsAutoantibodiesMiceRo60Lupus
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