2024
Tlr9 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 mice
2022
Host gene effects on gut microbiota in type 1 diabetes
Guo K, Huang J, Zhou Z. Host gene effects on gut microbiota in type 1 diabetes. Biochemical Society Transactions 2022, 50: 1133-1142. PMID: 35521897, PMCID: PMC9246325, DOI: 10.1042/bst20220004.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAutoimmunityDiabetes Mellitus, Type 1Disease SusceptibilityGastrointestinal MicrobiomeInsulin-Secreting CellsMiceMice, Inbred NODConceptsType 1 diabetesMicrobiome compositionPancreatic β-cell lossT1D susceptibility genesT1D developmentHost genesImmunity genesGenetic lociGut microbiotaGene effectsModel of T1DNon-obese diabetic (NOD) miceOrgan-specific autoimmune diseasesΒ-cell lossGenesSusceptibility genesGenetic backgroundGenetic variantsMicrobiota interactionsRisk of T1DPancreatic islet autoantigensGut microbiota diversityGut microbiome compositionIslet autoimmunityT1D progression
2021
IL-10 Deficiency Accelerates Type 1 Diabetes Development via Modulation of Innate and Adaptive Immune Cells and Gut Microbiota in BDC2.5 NOD Mice
Huang J, Tan Q, Tai N, Pearson JA, Li Y, Chao C, Zhang L, Peng J, Xing Y, Zhang L, Hu Y, Zhou Z, Wong FS, Wen L. IL-10 Deficiency Accelerates Type 1 Diabetes Development via Modulation of Innate and Adaptive Immune Cells and Gut Microbiota in BDC2.5 NOD Mice. Frontiers In Immunology 2021, 12: 702955. PMID: 34394099, PMCID: PMC8362616, DOI: 10.3389/fimmu.2021.702955.Peer-Reviewed Original ResearchMeSH KeywordsAdaptive ImmunityAnimalsDiabetes Mellitus, Type 1Gastrointestinal MicrobiomeImmunity, InnateInterleukin-10MiceMice, Inbred NODMice, KnockoutT-Lymphocytes, RegulatoryConceptsNOD miceProportion of neutrophilsT cellsGut microbiotaDiabetes developmentT cell-mediated destructionT cell receptor transgenicType 1 diabetes developmentAccelerated diabetes developmentInhibition of diabetesModulation of InnatePathogenicity of CD4Cell-mediated destructionAdaptive immune cellsObese diabetic miceT regulatory (Treg) cellsDevelopment of diabetesPrevention of diabetesActivation of CD4Modulation of neutrophilsType 1 diabetesGut microbiota compositionInsulin-producing β-cellsSevere insulitisSpontaneous diabetes
2020
Altered Systemic and Intestinal IgA Immune Responses in Individuals With Type 1 Diabetes
Huang J, Huang G, Li X, Hu F, Xie Z, Xiao Y, Luo S, Chao C, Guo K, Wong FS, Zhou Z, Wen L. Altered Systemic and Intestinal IgA Immune Responses in Individuals With Type 1 Diabetes. The Journal Of Clinical Endocrinology & Metabolism 2020, 105: dgaa590. PMID: 32860693, PMCID: PMC7549925, DOI: 10.1210/clinem/dgaa590.Peer-Reviewed Original ResearchConceptsIgA-bound bacteriaType 1 diabetesHealthy control individualsIgA immune responseControl individualsIgA immunityAutoantibody titersIgA concentrationsImmune responseType 1 diabetes patientsΒ-cell autoimmunityLonger disease durationSerum IgA concentrationNovel therapeutic targetEnzyme-linked immunosorbentDisease durationIgA levelsDiabetes patientsDiabetes displayGut homeostasisBlood samplesOral cavityTherapeutic targetDiabetesHost immunityGut microbial metabolites alter IgA immunity in type 1 diabetes
Huang J, Pearson JA, Peng J, Hu Y, Sha S, Xing Y, Huang G, Li X, Hu F, Xie Z, Xiao Y, Luo S, Chao C, Wong F, Zhou Z, Wen L. Gut microbial metabolites alter IgA immunity in type 1 diabetes. JCI Insight 2020, 5 PMID: 32298241, PMCID: PMC7259536, DOI: 10.1172/jci.insight.135718.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAnimalsChildDiabetes Mellitus, Type 1Fatty Acids, VolatileFemaleGastrointestinal MicrobiomeHumansImmunoglobulin AMaleMiceMice, Inbred NODConceptsType 1 diabetesGut microbiotaNOD miceImmune responseGerm-free NOD miceIgA immune responseIgA-mediated immunityHealthy control subjectsPotential therapeutic agentShort-chain fatty acid productionIgA immunityT1D preventionIgA responsesControl subjectsDecreased severityT1DTherapeutic agentsFunctional effectsMicrobiotaDiabetesPatientsUnderlying mechanismMiceImmunitySCFA