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 miceTLR5-deficiency controls dendritic cell subset development in an autoimmune diabetes-susceptible model
Pearson J, Hu Y, Peng J, Wong F, Wen L. TLR5-deficiency controls dendritic cell subset development in an autoimmune diabetes-susceptible model. Frontiers In Immunology 2024, 15: 1333967. PMID: 38482010, PMCID: PMC10935730, DOI: 10.3389/fimmu.2024.1333967.Peer-Reviewed Original ResearchConceptsToll-like receptor 5Antigen-presenting cellsDendritic cellsType 1 diabetesTLR5-deficientDC developmentCytokine secretionCD4<sup>+</sup> T cell proliferationPathogenesis of type 1 diabetesT cell responsesEnhanced cytokine secretionT cell proliferationWild-type miceSusceptibility to obesitySusceptibility to T1DProinflammatory cytokine secretionGut microbiotaSpontaneous T1DNOD miceAutoimmune diabetesNon-obeseHuman T1DReceptor 5Autoimmune diseasesHyper-secretion