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
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 ResearchConceptsNOD 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 diabetesToll-like receptor 7 deficiency suppresses type 1 diabetes development by modulating B-cell differentiation and function
Huang J, Peng J, Pearson JA, Efthimiou G, Hu Y, Tai N, Xing Y, Zhang L, Gu J, Jiang J, Zhao H, Zhou Z, Wong FS, Wen L. Toll-like receptor 7 deficiency suppresses type 1 diabetes development by modulating B-cell differentiation and function. Cellular & Molecular Immunology 2021, 18: 328-338. PMID: 33432061, PMCID: PMC8027372, DOI: 10.1038/s41423-020-00590-8.Peer-Reviewed Original ResearchConceptsType 1 diabetes developmentToll-like receptorsType 1 diabetesDiabetes developmentB cellsTLR7 deficiencyNOD miceB cell differentiationT cellsClassical MHC class I moleculesHuman type 1 diabetesImmunodeficient NOD miceNOD B cellsDiabetogenic T cellsAntigen-presenting functionNonobese diabetic (NOD) miceT cell responsesB cell functionMHC class I moleculesPattern recognition receptorsT cell activationPathogen molecular patternsClass I moleculesDiabetogenic CD4Cytotoxic CD8