2021
Elevated N-Linked Glycosylation of IgG V Regions in Myasthenia Gravis Disease Subtypes.
Mandel-Brehm C, Fichtner ML, Jiang R, Winton VJ, Vazquez SE, Pham MC, Hoehn KB, Kelleher NL, Nowak RJ, Kleinstein SH, Wilson MR, DeRisi JL, O'Connor KC. Elevated N-Linked Glycosylation of IgG V Regions in Myasthenia Gravis Disease Subtypes. The Journal Of Immunology 2021, 207: 2005-2014. PMID: 34544801, PMCID: PMC8492536, DOI: 10.4049/jimmunol.2100225.Peer-Reviewed Original ResearchConceptsMyasthenia gravisB-cell-mediated autoimmune diseasesBCR repertoireCell-mediated autoimmune diseaseTotal BCR repertoireTotal circulating IgGSubset of patientsB cell repertoireElevated NGene segment usageMG subtypesAutoimmune disordersAutoimmune diseasesHealthy donorsCell repertoireDisease subtypesDistinct subtypesReceptor repertoireAdaptive immune receptor repertoiresV regionsAutoantigen bindingPatientsSegment usageSubtypesImmune receptor repertoires
2019
Early B cell tolerance defects in neuromyelitis optica favour anti-AQP4 autoantibody production
Cotzomi E, Stathopoulos P, Lee CS, Ritchie AM, Soltys JN, Delmotte FR, Oe T, Sng J, Jiang R, K A, Vander Heiden JA, Kleinstein SH, Levy M, Bennett JL, Meffre E, O’Connor K. Early B cell tolerance defects in neuromyelitis optica favour anti-AQP4 autoantibody production. Brain 2019, 142: 1598-1615. PMID: 31056665, PMCID: PMC6536857, DOI: 10.1093/brain/awz106.Peer-Reviewed Original ResearchConceptsNeuromyelitis optica spectrum disorderB cell tolerance checkpointsNMOSD patientsNaïve B cellsAQP4 autoantibodiesTolerance checkpointsHealthy donorsB cellsEarly B cell tolerance checkpointsPeripheral B cell tolerance checkpointsMature naïve B cellsB cell tolerance defectsSeropositive NMOSD patientsOptica spectrum disorderRare autoimmune disorderNaïve B-cell compartmentB cell compartmentB cell populationsAquaporin-4 water channelsPathogenic autoantibodiesAutoantibody productionOptic nerveAutoimmune disordersSevere inflammationSpinal cord