2023
TLR9 ligand sequestration by chemokine CXCL4 negatively affects central B cell tolerance
Çakan E, Kioon M, Garcia-Carmona Y, Glauzy S, Oliver D, Yamakawa N, Loza A, Du Y, Schickel J, Boeckers J, Yang C, Baldo A, Ivashkiv L, Young R, Staudt L, Moody K, Nündel K, Marshak-Rothstein A, van der Made C, Hoischen A, Hayward A, Rossato M, Radstake T, Cunningham-Rundles C, Ryu C, Herzog E, Barrat F, Meffre E. TLR9 ligand sequestration by chemokine CXCL4 negatively affects central B cell tolerance. Journal Of Experimental Medicine 2023, 220: e20230944. PMID: 37773045, PMCID: PMC10541333, DOI: 10.1084/jem.20230944.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsB-LymphocytesHumansLigandsMiceMyeloid Differentiation Factor 88Platelet Factor 4Scleroderma, SystemicToll-Like Receptor 7Toll-Like Receptor 9ConceptsCentral B cell toleranceB cell toleranceCell toleranceB cellsSystemic sclerosisTLR9 functionNovel therapeutic strategiesTLR9/MyD88Immature B cellsB cell receptorTolerogenic functionSSc patientsTLR9 expressionHumanized miceTLR9 responsesAutoreactive clonesTherapeutic strategiesChemokine CXCL4Cell receptorCXCL4Vivo productionTLR9MyD88ReceptorsCells
2021
Defective Early B Cell Tolerance Checkpoints in Patients With Systemic Sclerosis Allow the Production of Self Antigen–Specific Clones
Glauzy S, Olson B, May CK, Parisi D, Massad C, Hansen JE, Ryu C, Herzog EL, Meffre E. Defective Early B Cell Tolerance Checkpoints in Patients With Systemic Sclerosis Allow the Production of Self Antigen–Specific Clones. Arthritis & Rheumatology 2021, 74: 307-317. PMID: 34279059, PMCID: PMC8766600, DOI: 10.1002/art.41927.Peer-Reviewed Original ResearchMeSH KeywordsAdultAutoantigensB-LymphocytesFemaleHumansImmune ToleranceMaleMiddle AgedScleroderma, SystemicConceptsB cell tolerance checkpointsEarly B cell tolerance checkpointsPeripheral B cell tolerance checkpointsNaive B cellsMature naive B cellsSystemic sclerosisTransitional B cellsTolerance checkpointsB cellsHealthy donorsAutoreactive mature naive B cellsAutoreactive naive B cellsAntigen-specific B cellsCentral B cell toleranceB cell toleranceB cell productionAntigen-specific clonesReactivity of antibodiesSingle B cellsSSc patientsSerum autoantibodiesAutoimmune diseasesImmune complexesPatientsCell tolerance
2020
Bioactive Plasma Mitochondrial DNA Is Associated With Disease Progression in Scleroderma‐Associated Interstitial Lung Disease
Ryu C, Walia A, Ortiz V, Perry C, Woo S, Reeves BC, Sun H, Winkler J, Kanyo JE, Wang W, Vukmirovic M, Ristic N, Stratton EA, Meena SR, Minasyan M, Kurbanov D, Liu X, Lam TT, Farina G, Gomez JL, Gulati M, Herzog EL. Bioactive Plasma Mitochondrial DNA Is Associated With Disease Progression in Scleroderma‐Associated Interstitial Lung Disease. Arthritis & Rheumatology 2020, 72: 1905-1915. PMID: 32602227, PMCID: PMC8081728, DOI: 10.1002/art.41418.Peer-Reviewed Original ResearchMeSH KeywordsActinsCytokinesDisease ProgressionDNA, MitochondrialFemaleFibroblastsHEK293 CellsHumansLung Diseases, InterstitialMaleScleroderma, SystemicConceptsCGAS/STING activationExtracellular vesiclesMitochondrial DNAPattern recognition receptorsCyclic GMP-AMP synthase/stimulatorHuman lung fibroblastsSSc-ILD cohortsInterstitial lung diseaseMT-ATP6 geneΑ-SMA expressionI interferonSSc-ILDScleroderma-Associated Interstitial Lung DiseaseSynthetic CpG DNATLR-9Clinical outcomesLung diseaseSTING activationInterleukin-6Enzyme-linked immunosorbent assay-based methodProteomic profilesMulticellular originSystemic sclerosis-associated interstitial lung diseaseImmune pattern recognition receptorsExtracellular mtDNA