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 layer
2017
Autoantigen‐specific T and B Cell Cross‐reactivity to a Gut Commensal in Antiphospholipid Syndrome
Dehner C, Ruff W, Vieira S, Goodman A, Kriegel M. Autoantigen‐specific T and B Cell Cross‐reactivity to a Gut Commensal in Antiphospholipid Syndrome. The FASEB Journal 2017, 31 DOI: 10.1096/fasebj.31.1_supplement.184.7.Peer-Reviewed Original ResearchBALB/c miceAdaptive immune systemAntiphospholipid syndromeB cellsC miceT cellsCell epitopesImmune systemPathogenic T cell epitopesTetramer-positive T cellsCD4 memory T cellsMemory T cellsTNF-α ILAdaptive immune responsesT cell clonesT cell epitopesDose-responsive mannerHuman commensal bacteriumB-cell epitopesEpitope-specific monoclonal antibodiesIL-21Patient PBMCsLymph nodesGPI antibodiesAntigenic challengeCommensal Ro60 Orthologs as Persistent Triggers of Human Lupus
Dehner C, Greiling T, Chen X, Renfroe S, Hughes K, Vieira S, Ruff W, Boccitto M, Sim S, Chen X, Kriegel C, Degnan P, Goodman A, Wolin S, Kriegel M. Commensal Ro60 Orthologs as Persistent Triggers of Human Lupus. The FASEB Journal 2017, 31 DOI: 10.1096/fasebj.31.1_supplement.55.3.Peer-Reviewed Original ResearchMesenteric lymph nodesSystemic lupus erythematosusT cell clonesLupus patientsSLE patientsTg miceAutoimmune diseasesMicrobial triggersCell clonesT cellsGerm-free (GF) C57BL/6 miceP. propionicumMemory CD4 T cellsHuman SLE seraPrototypical autoimmune diseaseCD4 T cellsHuman autoimmune diseasesGerm-free miceAnti-Ro60 antibodiesEarliest autoantibodiesRo60 antibodiesLupus modelsLupus erythematosusLymph nodesHuman lupus