2022
IgM-associated gut bacteria in obesity and type 2 diabetes in C57BL/6 mice and humans
Pearson JA, Ding H, Hu C, Peng J, Galuppo B, Wong FS, Caprio S, Santoro N, Wen L. IgM-associated gut bacteria in obesity and type 2 diabetes in C57BL/6 mice and humans. Diabetologia 2022, 65: 1398-1411. PMID: 35587276, PMCID: PMC9283171, DOI: 10.1007/s00125-022-05711-8.Peer-Reviewed Original ResearchConceptsFecal microbiota transplantType 2 diabetesNormal glucose toleranceB6 miceWild-type miceGlucose toleranceIgM antibodiesObese youthGut microbiotaWeight gainGut bacteriaObese young individualsImpaired glucose toleranceDiet-induced obesityConclusions/interpretationOur resultsBody weight gainGreater weight gainMice fecal microbiotaHuman stool samplesGlucose intoleranceClinical featuresC57BL/6 miceMicrobiota transplantRecipient miceStool samples
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 ResearchConceptsType 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
2008
Differences in immune recognition of cytochrome P4502D6 by liver kidney microsomal (LKM) antibody in autoimmune hepatitis and chronic hepatitis C virus infection
MA Y, PEAKMAN M, LOBO-YEO A, WEN L, LENZI M, GÄKEN J, FARZANEH F, MIELI-VERGANI G, BIANCHI F, VERGANI D. Differences in immune recognition of cytochrome P4502D6 by liver kidney microsomal (LKM) antibody in autoimmune hepatitis and chronic hepatitis C virus infection. Clinical & Experimental Immunology 2008, 97: 94-99. PMID: 8033426, PMCID: PMC1534799, DOI: 10.1111/j.1365-2249.1994.tb06585.x.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAntibody SpecificityAutoantibodiesAutoantigensAutoimmune DiseasesB-LymphocytesChildChild, PreschoolCytochrome P-450 CYP2D6Cytochrome P-450 Enzyme SystemFemaleHepatitisHepatitis CHepatitis, ChronicHumansInfantMaleMiddle AgedMixed Function OxygenasesRecombinant Fusion ProteinsConceptsChronic hepatitis C virus (HCV) infectionHepatitis C virus infectionLKM-1 antibodiesAutoimmune hepatitisC virus infectionLKM-1HCV infectionVirus infectionCytochrome P4502D6Liver kidney microsomal antibodiesClassical autoimmune hepatitisKidney microsomal antibodyChronic HCV infectionLymphoblastoid B cell linesMicrosomal antibodiesPositive patientsLiver diseaseB cell linesHCVPatientsImmune recognitionMolecular mimicryRecombinant CYP2D6Western blotCYP2D6Elevation of activated γδ T cell receptor bearing T lymphocytes in patients with autoimmune chronic liver disease
WEN L, PEAKMAN M, MIELI-VERGANI G, VERGANI D. Elevation of activated γδ T cell receptor bearing T lymphocytes in patients with autoimmune chronic liver disease. Clinical & Experimental Immunology 2008, 89: 78-82. PMID: 1385768, PMCID: PMC1554410, DOI: 10.1111/j.1365-2249.1992.tb06881.x.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAntigens, CDAutoimmune DiseasesChildCholangitis, SclerosingFemaleFlow CytometryFluorescent Antibody TechniqueHepatitis, ChronicHistocompatibility AntigensHLA-DR AntigensHumansLeukocyte Common AntigensLiver DiseasesMaleReceptors, Antigen, T-Cell, gamma-deltaReceptors, Interleukin-2T-LymphocytesConceptsPrimary sclerosing cholangitisGroup of patientsTCR gamma deltaT cellsAI-CAHLiver diseaseHLA-DRPeripheral bloodAutoimmune chronic active hepatitisAutoimmune chronic liver diseaseMemory cell marker CD45ROActivation markers HLA-DRΓδ T cell receptorAbsolute numberAutoimmune liver diseaseChronic active hepatitisChronic liver diseaseMarkers HLA-DRGamma delta T cell receptor (TCR) heterodimerIL-2 receptorT cell receptorT cell receptor heterodimerLevels of gammaActive hepatitisSclerosing cholangitis
1994
T Cell Clones Generated from Patients with Type 1 Diabetes Using Interleukin-2 Proliferate to Human Islet Antigens
Peakman M, Wen L, McNab G, Watkins P, Tan K, Vergani D. T Cell Clones Generated from Patients with Type 1 Diabetes Using Interleukin-2 Proliferate to Human Islet Antigens. Autoimmunity 1994, 17: 31-39. PMID: 8025212, DOI: 10.3109/08916939409014656.Peer-Reviewed Original ResearchMeSH KeywordsAdultAutoantigensAutoimmune DiseasesCD4 AntigensCD8 AntigensChildChild, PreschoolClone CellsDiabetes Mellitus, Type 1FemaleHumansInterleukin-2Islets of LangerhansLymphocyte ActivationMaleReceptors, Antigen, T-Cell, alpha-betaReceptors, Antigen, T-Cell, gamma-deltaReceptors, Interleukin-2T-Lymphocyte SubsetsConceptsT cell clonesT lymphocytesIslet antigensControl subjectsAntigen specificityType 1Cell clonesT cell populationsPeripheral blood lymphocytesIL-2 receptorActivated T lymphocytesDose-dependent fashionPrediabetic periodLiver membrane preparationsPeripheral bloodAutologous APCIL-2Blood lymphocytesPatientsHuman isletsLymphocytesMembrane preparationsProliferation assaysPathogenesisAntigenAnalysis of the Peripheral T-Cell Receptor VP Repertoire in Newly Diagnosed Patients with Type I Diabetes
Wong S, Wen L, Hibberd M, Millward A, Demaine A. Analysis of the Peripheral T-Cell Receptor VP Repertoire in Newly Diagnosed Patients with Type I Diabetes. Autoimmunity 1994, 18: 77-83. PMID: 7999959, DOI: 10.3109/08916939409014682.Peer-Reviewed Original ResearchConceptsTCRBV gene usageGene usageSemi-quantitative polymerase chain reaction (PCR) techniqueType INormal healthy controlsBeta gene usagePeripheral T cellsT cell clonesPolymerase chain reaction techniqueClinical onsetHLA-DR3Chain reaction techniqueAutoimmune diseasesTCR repertoireHealthy controlsT cellsPatientsClinical diagnosisMarked activationSequential samplesSignificant differencesDiseaseDiagnosisDR4Cytometry
1990
T-cell-directed hepatocyte damage in autoimmune chronic active hepatitis
Wen L, Peakman M, Lobo-Yeo A, Vergani D, Mowat A, Mieli-Vergani, McFarlane B. T-cell-directed hepatocyte damage in autoimmune chronic active hepatitis. The Lancet 1990, 336: 1527-1530. PMID: 1979365, DOI: 10.1016/0140-6736(90)93306-a.Peer-Reviewed Original ResearchConceptsAutoimmune chronic active hepatitisChronic active hepatitisActive hepatitisPeripheral bloodT lymphocytesAutologous B lymphocytesLiver membrane antigensT cell clonesAsialoglycoprotein receptorActivated T lymphocytesLiver cell membraneSpecific autoantibodiesAutoimmune attackImmune attackHepatocyte damageHepatitisB lymphocytesLymphocytesBloodLipoprotein complexAutoantibodiesPatientsCell membraneAntigenClones