Pathobionts from chemically disrupted gut microbiota induce insulin-dependent diabetes in mice
Yang X, Wang Z, Niu J, Zhai R, Xue X, Wu G, Fang Y, Meng G, Yuan H, Zhao L, Zhang C. Pathobionts from chemically disrupted gut microbiota induce insulin-dependent diabetes in mice. Microbiome 2023, 11: 62. PMID: 36978130, PMCID: PMC10052834, DOI: 10.1186/s40168-023-01507-z.Peer-Reviewed Original ResearchConceptsInsulin-dependent diabetesBeta-cell destructionGut microbiotaGut microbiomeDextran sulfate sodium treatmentAutoimmune type 1 diabetesCell destructionIDD developmentDysbiotic gut microbiotaGerm-free micePotential human relevanceType 1 diabetesNormal gut microbiomeGut pathobiontPancreatic inflammationC57BL/6 miceLocal inflammationNormal dietWildtype miceAnimal modelsDiabetesSodium treatmentPathobiontsPancreasHuman relevanceTlr9 deficiency in B cells leads to obesity by promoting inflammation and gut dysbiosis
Wang P, Yang X, Zhang L, Sha S, Huang J, Peng J, Gu J, Pearson J, Hu Y, Zhao H, Wong F, Wang Q, Wen L. Tlr9 deficiency in B cells leads to obesity by promoting inflammation and gut dysbiosis. Nature Communications 2024, 15: 4232. PMID: 38762479, PMCID: PMC11102548, DOI: 10.1038/s41467-024-48611-8.Peer-Reviewed Original ResearchConceptsToll-like receptor 9Gut microbiotaGut microbial communityTransferred to germ-free miceB cellsGerm-free miceTLR9 deficiencyKO miceGene sequencesGerminal center B cellsMicrobial communitiesMarginal zone B cellsGut dysbiosisFollicular helper cellsSelf-DNAMetabolic homeostasisAssociated with increased frequencyPro-inflammatory stateFat tissue inflammationGutHigh-fat dietMicrobiotaHelper cellsT cellsControl miceBile acid-gut microbiota imbalance in cholestasis and its long-term effect in mice
Yang X, Xu Y, Li J, Ran X, Gu Z, Song L, Zhang L, Wen L, Ji G, Wang R. Bile acid-gut microbiota imbalance in cholestasis and its long-term effect in mice. MSystems 2024, 9: e00127-24. PMID: 38934542, PMCID: PMC11265269, DOI: 10.1128/msystems.00127-24.Peer-Reviewed Original ResearchGut microbiotaGut microbiota dysbiosisDysregulated gut microbiotaGut microbiota transplantationGerm-free miceVirulence factorsSmall intestinal bacteriaBile acid homeostasisMicrobiota dysbiosisDecreased diversityMicrobiota imbalanceMicrobiotaMouse model of cholestasisBile acidsMouse modelIntestinal bacteriaAcid homeostasisMicrobiota transplantationClinical management of patientsGutHepatic bile acidsLong-term effectsPre-clinical findingsModel of cholestasisManagement of patientsGut microbiota from B-cell-specific TLR9-deficient NOD mice promote IL-10+ Breg cells and protect against T1D
Yang X, Huang J, Peng J, Wang P, Wong F, Wang R, Wang D, Wen L. Gut microbiota from B-cell-specific TLR9-deficient NOD mice promote IL-10+ Breg cells and protect against T1D. Frontiers In Immunology 2024, 15: 1413177. PMID: 38903498, PMCID: PMC11187306, DOI: 10.3389/fimmu.2024.1413177.Peer-Reviewed Original ResearchGut microbiotaGerm-free miceToll-like receptor 9Increased gut permeabilityIntestinal microbiotaGut permeabilityT1D developmentGut microbiota compositionFecal samplesTransferred to germ-free miceGut barrier integrityBreg cell differentiationMicrobiota influenceMucin degradationMicrobiota compositionBreg cellsAltered microbiotaMicrobiota impactMicrobiotaGene expressionImmune regulationDevelopment of T1DCell differentiationGutNOD mice