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Effects of the Positive Threshold and Data Analysis on Human MOG Antibody Detection by Live Flow Cytometry.

Fiona Tea, Deepti Pilli, Sudarshini Ramanathan, Joseph A Lopez, Vera Merheb, Fiona X Z Lee, Alicia Zou, Ganesha Liyanage, Chelsea B Bassett, Selina Thomsen, Stephen W Reddel, Michael H Barnett, David A Brown, Russell C Dale, Fabienne Brilot, ,

Human autoantibodies targeting myelin oligodendrocyte glycoprotein (MOG Ab) have become a useful clinical biomarker for the diagnosis of a spectrum of inflammatory demyelinating disorders. Live cell-based assays that detect MOG Ab against conformational MOG are currently the gold standard. Flow cytometry, in which serum binding to MOG-expressing cells and control ... Read more >>

Front Immunol (Frontiers in immunology)
[2020, 11:119]

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International multicenter examination of MOG antibody assays.

Markus Reindl, Kathrin Schanda, Mark Woodhall, Fiona Tea, Sudarshini Ramanathan, Jessica Sagen, James P Fryer, John Mills, Bianca Teegen, Swantje Mindorf, Nora Ritter, Ulrike Krummrei, Winfried Stöcker, Juliane Eggert, Eoin P Flanagan, Melanie Ramberger, Harald Hegen, Kevin Rostasy, Thomas Berger, Maria Isabel Leite, Jacqueline Palace, Sarosh R Irani, Russell C Dale, Christian Probst, Monika Probst, Fabienne Brilot, Sean J Pittock, Patrick Waters,

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), ... Read more >>

Neurol Neuroimmunol Neuroinflamm (Neurology(R) neuroimmunology & neuroinflammation)
[2020, 7(2):]

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An international multicenter examination of MOG antibody assays

Markus Reindl, Kathrin Schanda, Mark Woodhall, Fiona Tea, Sudarshini Ramanathan, Jessica Sagen, Jim Fryer, John Mills, Bianca Tegen, Swantje Mindorf, Nora Ritter, Ulrike Krummrei, Winfried Stocker, Juliane Eggert, Eoin Flanagan, Melanie Ramberger, Harald Hegen, Kevin Rostasy, Thomas Berger, Isabel Leite, Jacqueline Palace, Sarosh Irani, Russell Dale, Christian Probst, Monika Probst, Fabienne Brilot, Sean Pittock, Patrick Waters,

Objectives: To compare the reproducibility of 11 antibody assays for IgG and IgM myelin oligodendrocyte glycoprotein antibodies (MOG-IgG, MOG-IgM) from five 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 ... Read more >>

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Characterization of the human myelin oligodendrocyte glycoprotein antibody response in demyelination.

Fiona Tea, Joseph A Lopez, Sudarshini Ramanathan, Vera Merheb, Fiona X Z Lee, Alicia Zou, Deepti Pilli, Ellis Patrick, Anneke van der Walt, Mastura Monif, Esther M Tantsis, Eppie M Yiu, Steve Vucic, Andrew P D Henderson, Anthony Fok, Clare L Fraser, Jeanette Lechner-Scott, Stephen W Reddel, Simon Broadley, Michael H Barnett, David A Brown, Jan D Lunemann, Russell C Dale, Fabienne Brilot, ,

Over recent years, human autoantibodies targeting myelin oligodendrocyte glycoprotein (MOG Ab) have been associated with monophasic and relapsing central nervous system demyelination involving the optic nerves, spinal cord, and brain. While the clinical relevance of MOG Ab detection is becoming increasingly clear as therapeutic and prognostic differences from multiple sclerosis ... Read more >>

Acta Neuropathol Commun (Acta neuropathologica communications)
[2019, 7(1):145]

Cited: 1 time

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Expanding Role of T Cells in Human Autoimmune Diseases of the Central Nervous System.

Deepti Pilli, Alicia Zou, Fiona Tea, Russell C Dale, Fabienne Brilot,

It is being increasingly recognized that a dysregulation of the immune system plays a vital role in neurological disorders and shapes the treatment of the disease. Aberrant T cell responses, in particular, are key in driving autoimmunity and have been traditionally associated with multiple sclerosis. Yet, it is evident that ... Read more >>

Front Immunol (Frontiers in immunology)
[2017, 8:652]

Cited: 8 times

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Dopamine-2 receptor extracellular N-terminus regulates receptor surface availability and is the target of human pathogenic antibodies from children with movement and psychiatric disorders.

Nese Sinmaz, Fiona Tea, Deepti Pilli, Alicia Zou, Mazen Amatoury, Tina Nguyen, Vera Merheb, Sudarshini Ramanathan, Sandra T Cooper, Russell C Dale, Fabienne Brilot,

Anti-Dopamine-2 receptor (D2R) antibodies have been recently identified in a subgroup of children with autoimmune movement and psychiatric disorders, however the epitope(s) and mechanism of pathogenicity remain unknown. Here we report a major biological role for D2R extracellular N-terminus as a regulator of receptor surface availability, and as a major ... Read more >>

Acta Neuropathol Commun (Acta neuropathologica communications)
[2016, 4(1):126]

Cited: 5 times

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B Cell, Th17, and Neutrophil Related Cerebrospinal Fluid Cytokine/Chemokines Are Elevated in MOG Antibody Associated Demyelination.

Kavitha Kothur, Louise Wienholt, Esther M Tantsis, John Earl, Sushil Bandodkar, Kristina Prelog, Fiona Tea, Sudarshini Ramanathan, Fabienne Brilot, Russell C Dale,

BACKGROUND:Myelin oligodendrocyte glycoprotein antibody (MOG Ab) associated demyelination represents a subgroup of autoimmune demyelination that is separate from multiple sclerosis and aquaporin 4 IgG-positive NMO, and can have a relapsing course. Unlike NMO and MS, there is a paucity of literature on immunopathology and CSF cytokine/chemokines in MOG Ab associated ... Read more >>

PLoS ONE (PloS one)
[2016, 11(2):e0149411]

Cited: 12 times

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