2024
Gut 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
2019
Norovirus Changes Susceptibility to Type 1 Diabetes by Altering Intestinal Microbiota and Immune Cell Functions
Pearson JA, Tai N, Ekanayake-Alper DK, Peng J, Hu Y, Hager K, Compton S, Wong FS, Smith PC, Wen L. Norovirus Changes Susceptibility to Type 1 Diabetes by Altering Intestinal Microbiota and Immune Cell Functions. Frontiers In Immunology 2019, 10: 2654. PMID: 31798584, PMCID: PMC6863139, DOI: 10.3389/fimmu.2019.02654.Peer-Reviewed Original ResearchConceptsExpansion of TregsNOD miceT cellsMNV4 infectionMucosal immunityNon-obese diabetic (NOD) mouse modelGerm-free NOD miceFirmicutes/Bacteroidetes ratioProinflammatory T cellsRole of norovirusesTuft cell markersDevelopment of T1DInflammatory T cellsCommon enteric virusesB cell subsetsDiabetic mouse modelImmune cell functionType 1 diabetes susceptibilityEnteric virusesNaïve splenocytesT1D protectionTreg numbersImmunological changesMucosal antibodiesT1D development
2015
NLRP3 deficiency protects from type 1 diabetes through the regulation of chemotaxis into the pancreatic islets
Hu C, Ding H, Li Y, Pearson JA, Zhang X, Flavell RA, Wong FS, Wen L. NLRP3 deficiency protects from type 1 diabetes through the regulation of chemotaxis into the pancreatic islets. Proceedings Of The National Academy Of Sciences Of The United States Of America 2015, 112: 11318-11323. PMID: 26305961, PMCID: PMC4568693, DOI: 10.1073/pnas.1513509112.Peer-Reviewed Original ResearchMeSH KeywordsAdoptive TransferAnimalsCarrier ProteinsCell MovementChemokine CCL5Chemokine CXCL10ChemotaxisDiabetes Mellitus, Type 1Gene ExpressionHumansInflammasomesInterferon Regulatory Factor-1Interleukin-1betaIslets of LangerhansMice, Inbred C57BLMice, Inbred NODMice, KnockoutMice, SCIDNLR Family, Pyrin Domain-Containing 3 ProteinReceptors, CCR5Receptors, CXCR3Reverse Transcriptase Polymerase Chain ReactionSignal TransductionTime FactorsT-LymphocytesConceptsType 1 diabetesLeucine-rich repeatsNonobese diabetic (NOD) mouse modelPancreatic isletsRegulation of chemotaxisTreatment of T1D.Role of TLRsDevelopment of T1DChemokine receptor CCR5Diabetic mouse modelT cell migrationT cell activationPresence of NLRP3Pancreatic islet cellsNLRP3 ablationOligomerization domainNLRP3 inflammasomeReceptor CCR5T cellsTh1 differentiationInflammasome pathwayAdaptive immunityMouse modelAnimal modelsIslet cellsThe role of gut microbiota in the development of type 1, type 2 diabetes mellitus and obesity
Tai N, Wong FS, Wen L. The role of gut microbiota in the development of type 1, type 2 diabetes mellitus and obesity. Reviews In Endocrine And Metabolic Disorders 2015, 16: 55-65. PMID: 25619480, PMCID: PMC4348024, DOI: 10.1007/s11154-015-9309-0.Peer-Reviewed Original ResearchConceptsGut microbiotaAutoimmune type 1 diabetesType 2 diabetes mellitusInsulin-resistant type 2 diabetesMajor public health concernAltered gut microbiotaDevelopment of T1DType 2 diabetesType 1 diabetesGut microbiota compositionPublic health concernDiabetes mellitusPersistent hyperglycemiaMetabolic disordersRodent modelsMicrobiota compositionType 1ObesityDiabetesHealth concernPotential mechanismsMicrobiotaT2DT1DDisease development