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International multicenter examination of MOG antibody assays.
Reindl, Markus; Schanda, Kathrin; Woodhall, Mark; Tea, Fiona; Ramanathan, Sudarshini; Sagen, Jessica; Fryer, James P; Mills, John; Teegen, Bianca; Mindorf, Swantje; Ritter, Nora; Krummrei, Ulrike; Stöcker, Winfried; Eggert, Juliane; Flanagan, Eoin P; Ramberger, Melanie; Hegen, Harald; Rostasy, Kevin; Berger, Thomas; Leite, Maria Isabel; Palace, Jacqueline; Irani, Sarosh R; Dale, Russell C; Probst, Christian; Probst, Monika; Brilot, Fabienne; Pittock, Sean J; Waters, Patrick.
Afiliação
  • Reindl M; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Schanda K; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Woodhall M; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Tea F; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Ramanathan S; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Sagen J; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Fryer JP; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Mills J; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Teegen B; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Mindorf S; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Ritter N; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Krummrei U; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Stöcker W; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Eggert J; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Flanagan EP; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Ramberger M; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Hegen H; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Rostasy K; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Berger T; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Leite MI; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Palace J; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Irani SR; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Dale RC; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Probst C; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Probst M; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Brilot F; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Pittock SJ; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
  • Waters P; From the Clinical Department of Neurology (M. Reindl, K.S., M. Ramberger, H.H.), Medical University of Innsbruck, Innsbruck, Austria; Oxford Autoimmune Neurology Group (M.W., M. Ramberger, M.I.L., J.P., S.R.I., P.W.), Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdo
Neurol Neuroimmunol Neuroinflamm ; 7(2)2020 03 05.
Article em En | MEDLINE | ID: mdl-32024795
OBJECTIVE: To compare the reproducibility of 11 antibody assays for immunoglobulin (Ig) G and IgM myelin oligodendrocyte glycoprotein antibodies (MOG-IgG and MOG-IgM) from 5 international centers. METHODS: The following samples were analyzed: MOG-IgG clearly positive sera (n = 39), MOG-IgG low positive sera (n = 39), borderline negative sera (n = 13), clearly negative sera (n = 40), and healthy blood donors (n = 30). As technical controls, 18 replicates (9 MOG-IgG positive and 9 negative) were included. All samples and controls were recoded, aliquoted, and distributed to the 5 testing centers, which performed the following antibody assays: 5 live and 1 fixed immunofluorescence cell-based assays (CBA-IF, 5 MOG-IgG, and 1 MOG-IgM), 3 live flow cytometry cell-based assays (CBA-FACS, all MOG-IgG), and 2 ELISAs (both MOG-IgG). RESULTS: We found excellent agreement (96%) between the live CBAs for MOG-IgG for samples previously identified as clearly positive or negative from 4 different national testing centers. The agreement was lower with fixed CBA-IF (90%), and the ELISA showed no concordance with CBAs for detection of human MOG-IgG. All CBAs showed excellent interassay reproducibility. The agreement of MOG-IgG CBAs for borderline negative (77%) and particularly low positive (33%) samples was less good. Finally, most samples from healthy blood donors (97%) were negative for MOG-IgG in all CBAs. CONCLUSIONS: Live MOG-IgG CBAs showed excellent agreement for high positive and negative samples at 3 international testing centers. Low positive samples were more frequently discordant than in a similar comparison of aquaporin-4 antibody assays. Further research is needed to improve international standardization for clinical care.
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Texto completo: 1 Base de dados: MEDLINE Assunto principal: Autoanticorpos / Bioensaio / Imunoglobulina G / Imunoglobulina M / Ensaio de Imunoadsorção Enzimática / Estudos Multicêntricos como Assunto / Imunofluorescência / Glicoproteína Mielina-Oligodendrócito / Citometria de Fluxo Tipo de estudo: Clinical_trials / Prognostic_studies Limite: Humans Idioma: En Ano de publicação: 2020 Tipo de documento: Article
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Texto completo: 1 Base de dados: MEDLINE Assunto principal: Autoanticorpos / Bioensaio / Imunoglobulina G / Imunoglobulina M / Ensaio de Imunoadsorção Enzimática / Estudos Multicêntricos como Assunto / Imunofluorescência / Glicoproteína Mielina-Oligodendrócito / Citometria de Fluxo Tipo de estudo: Clinical_trials / Prognostic_studies Limite: Humans Idioma: En Ano de publicação: 2020 Tipo de documento: Article