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Mog antibodies

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https://www.readbyqxmd.com/read/27844165/myelin-oligodendrocyte-glycoprotein-mog-autoantibodies-as-potential-markers-of-severe-optic-neuritis-and-subclinical-retinal-axonal-degeneration
#1
Joachim Havla, T Kümpfel, R Schinner, M Spadaro, E Schuh, E Meinl, R Hohlfeld, O Outteryck
Antibodies against conformation-dependent epitopes of myelin-oligodendrocyte-glycoprotein (MOG-abs) are present in subgroups of neuromyelitis optica spectrum disorder (NMOSD), recurrent optic neuritis (rON), multiple sclerosis (MS), and anti-NMDAR encephalitis. Using optical coherence tomography (OCT) we assessed whether MOG-abs might serve as potential marker of retinal axonal degeneration. We investigated a clinically heterogeneous cohort of 13 MOG-abs-positive patients (4 MOG-abs-positive rON, 4 MOG-abs-positive adult MS, 3 MOG-abs-positive relapsing encephalomyelitis, 2 MOG-abs-positive aquaporin-4-abs-negative NMOSD)...
November 14, 2016: Journal of Neurology
https://www.readbyqxmd.com/read/27844029/dose-dependent-inhibition-of-demyelination-and-microglia-activation-by-ivig
#2
Meike Winter, Christine Baksmeier, Julia Steckel, Sumanta Barman, Manish Malviya, Melanie Harrer-Kuster, Hans-Peter Hartung, Norbert Goebels
OBJECTIVE: Intravenous immunoglobulin (IVIG) is an established treatment for numerous autoimmune conditions. Clinical trials of IVIG for multiple sclerosis, using diverse dose regimens, yielded controversial results. The aim of this study is to dissect IVIG effector mechanisms on demyelination in an ex vivo model of the central nervous system (CNS)-immune interface. METHODS: Using organotypic cerebellar slice cultures (OSC) from transgenic mice expressing green fluorescent protein (GFP) in oligodendrocytes/myelin, we induced extensive immune-mediated demyelination and oligodendrocyte loss with an antibody specific for myelin oligodendrocyte glycoprotein (MOG) and complement...
November 2016: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/27802825/mog-igg-in-nmo-and-related-disorders-a-multicenter-study-of-50-patients-part-3-brainstem-involvement-frequency-presentation-and-outcome
#3
Sven Jarius, Ingo Kleiter, Klemens Ruprecht, Nasrin Asgari, Kalliopi Pitarokoili, Nadja Borisow, Martin W Hümmert, Corinna Trebst, Florence Pache, Alexander Winkelmann, Lena-Alexandra Beume, Marius Ringelstein, Oliver Stich, Orhan Aktas, Mirjam Korporal-Kuhnke, Alexander Schwarz, Carsten Lukas, Jürgen Haas, Kai Fechner, Mathias Buttmann, Judith Bellmann-Strobl, Hanna Zimmermann, Alexander U Brandt, Diego Franciotta, Kathrin Schanda, Friedemann Paul, Markus Reindl, Brigitte Wildemann
BACKGROUND: Myelin oligodendrocyte glycoprotein antibodies (MOG-IgG) are present in a subset of aquaporin-4 (AQP4)-IgG-negative patients with optic neuritis (ON) and/or myelitis. Little is known so far about brainstem involvement in MOG-IgG-positive patients. OBJECTIVE: To investigate the frequency, clinical and paraclinical features, course, outcome, and prognostic implications of brainstem involvement in MOG-IgG-positive ON and/or myelitis. METHODS: Retrospective case study...
November 1, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27802824/mog-igg-in-nmo-and-related-disorders-a-multicenter-study-of-50-patients-part-4-afferent-visual-system-damage-after-optic-neuritis-in-mog-igg-seropositive-versus-aqp4-igg-seropositive-patients
#4
Florence Pache, Hanna Zimmermann, Janine Mikolajczak, Sophie Schumacher, Anna Lacheta, Frederike C Oertel, Judith Bellmann-Strobl, Sven Jarius, Brigitte Wildemann, Markus Reindl, Amy Waldman, Kerstin Soelberg, Nasrin Asgari, Marius Ringelstein, Orhan Aktas, Nikolai Gross, Mathias Buttmann, Thomas Ach, Klemens Ruprecht, Friedemann Paul, Alexander U Brandt
BACKGROUND: Antibodies against myelin oligodendrocyte glycoprotein (MOG-IgG) have been reported in patients with aquaporin-4 antibody (AQP4-IgG)-negative neuromyelitis optica spectrum disorders (NMOSD). The objective of this study was to describe optic neuritis (ON)-induced neuro-axonal damage in the retina of MOG-IgG-positive patients in comparison with AQP4-IgG-positive NMOSD patients. METHODS: Afferent visual system damage following ON was bilaterally assessed in 16 MOG-IgG-positive patients with a history of ON and compared with that in 16 AQP4-IgG-positive NMOSD patients...
November 1, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27793206/mog-igg-in-nmo-and-related-disorders-a-multicenter-study-of-50-patients-part-2-epidemiology-clinical-presentation-radiological-and-laboratory-features-treatment-responses-and-long-term-outcome
#5
Sven Jarius, Klemens Ruprecht, Ingo Kleiter, Nadja Borisow, Nasrin Asgari, Kalliopi Pitarokoili, Florence Pache, Oliver Stich, Lena-Alexandra Beume, Martin W Hümmert, Marius Ringelstein, Corinna Trebst, Alexander Winkelmann, Alexander Schwarz, Mathias Buttmann, Hanna Zimmermann, Joseph Kuchling, Diego Franciotta, Marco Capobianco, Eberhard Siebert, Carsten Lukas, Mirjam Korporal-Kuhnke, Jürgen Haas, Kai Fechner, Alexander U Brandt, Kathrin Schanda, Orhan Aktas, Friedemann Paul, Markus Reindl, Brigitte Wildemann
BACKGROUND: A subset of patients with neuromyelitis optica spectrum disorders (NMOSD) has been shown to be seropositive for myelin oligodendrocyte glycoprotein antibodies (MOG-IgG). OBJECTIVE: To describe the epidemiological, clinical, radiological, cerebrospinal fluid (CSF), and electrophysiological features of a large cohort of MOG-IgG-positive patients with optic neuritis (ON) and/or myelitis (n = 50) as well as attack and long-term treatment outcomes. METHODS: Retrospective multicenter study...
September 27, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27788675/mog-igg-in-nmo-and-related-disorders-a-multicenter-study-of-50-patients-part-1-frequency-syndrome-specificity-influence-of-disease-activity-long-term-course-association-with-aqp4-igg-and-origin
#6
Sven Jarius, Klemens Ruprecht, Ingo Kleiter, Nadja Borisow, Nasrin Asgari, Kalliopi Pitarokoili, Florence Pache, Oliver Stich, Lena-Alexandra Beume, Martin W Hümmert, Corinna Trebst, Marius Ringelstein, Orhan Aktas, Alexander Winkelmann, Mathias Buttmann, Alexander Schwarz, Hanna Zimmermann, Alexander U Brandt, Diego Franciotta, Marco Capobianco, Joseph Kuchling, Jürgen Haas, Mirjam Korporal-Kuhnke, Soeren Thue Lillevang, Kai Fechner, Kathrin Schanda, Friedemann Paul, Brigitte Wildemann, Markus Reindl
BACKGROUND: Antibodies to myelin oligodendrocyte glycoprotein (MOG-IgG) have been suggested to play a role in a subset of patients with neuromyelitis optica and related disorders. OBJECTIVE: To assess (i) the frequency of MOG-IgG in a large and predominantly Caucasian cohort of patients with optic neuritis (ON) and/or myelitis; (ii) the frequency of MOG-IgG among AQP4-IgG-positive patients and vice versa; (iii) the origin and frequency of MOG-IgG in the cerebrospinal fluid (CSF); (iv) the presence of MOG-IgG at disease onset; and (v) the influence of disease activity and treatment status on MOG-IgG titers...
September 26, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27734026/il-3-promotes-the-development-of-experimental-autoimmune-encephalitis
#7
Kerstin Renner, Sonja Hellerbrand, Fabian Hermann, Christine Riedhammer, Yvonne Talke, Gabriela Schiechl, Manuel Rodriguez Gomez, Simone Kutzi, Dagmar Halbritter, Nicole Goebel, Hilke Brühl, Robert Weissert, Matthias Mack
Little is known about the role of IL-3 in multiple sclerosis (MS) in humans and in experimental autoimmune encephalomyelitis (EAE). Using myelin oligodendrocyte glycoprotein (MOG) peptide-induced EAE, we show that CD4(+) T cells are the main source of IL-3 and that cerebral IL-3 expression correlates with the influx of T cells into the brain. Blockade of IL-3 with monoclonal antibodies, analysis of IL-3 deficient mice, and adoptive transfer of leukocytes demonstrate that IL-3 plays an important role for development of clinical symptoms of EAE, for migration of leukocytes into the brain, and for cerebral expression of adhesion molecules and chemokines...
October 6, 2016: JCI Insight
https://www.readbyqxmd.com/read/27725560/intractable-hiccup-in-demyelinating-disease-with-anti-myelin-oligodendrocyte-glycoprotein-mog-antibody
#8
Tetsuya Akaishi, Masatoshi Konno, Ichiro Nakashima, Masashi Aoki
No abstract text is available yet for this article.
2016: Internal Medicine
https://www.readbyqxmd.com/read/27725114/different-etiologies-and-prognoses-of-optic-neuritis-in-demyelinating-diseases
#9
Tetsuya Akaishi, Ichiro Nakashima, Takayuki Takeshita, Kimihiko Kaneko, Shunji Mugikura, Douglas Kazutoshi Sato, Toshiyuki Takahashi, Toru Nakazawa, Masashi Aoki, Kazuo Fujihara
We compared the clinical features of optic neuritis (ON) that are frequently observed in various central nervous system demyelinating diseases, including multiple sclerosis (MS), anti-aquaporin 4 (AQP4) antibody- and anti-myelin oligodendrocyte glycoprotein (MOG) autoantibody-related diseases. Almost all the AQP4-ON patients were female, whereas half of the MOG-ON patients were male. The ON-onset age was younger in MS-ON and was older in AQP4-ON. The ON-lesion detected using optic MRI in the acute phase was longer in MOG-ON and showed severe swelling and twisting...
October 15, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27610592/correlation-between-antibodies-to-bisphenol-a-its-target-enzyme-protein-disulfide-isomerase-and-antibodies-to-neuron-specific-antigens
#10
Datis Kharrazian, Aristo Vojdani
Evidence continues to increase linking autoimmunity and other complex diseases to the chemicals commonly found in our environment. Bisphenol A (BPA) is a synthetic monomer used widely in many forms, from food containers to toys, medical products and many others. The potential for BPA to participate as a triggering agent for autoimmune diseases is likely due to its known immunological influences. The goal of this research was to determine if immune reactivity to BPA has any correlation with neurological antibodies...
September 9, 2016: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/27578448/onconeural-antibodies-in-acute-psychiatric-inpatient-care
#11
Sverre Georg Sæther, Morten Schou, Winfried Stoecker, Bianca Teegen, Kathrin Borowski, Arne Vaaler, Daniel Kondziella, Solveig Klæbo Reitan
Paraneoplastic neurological disorders associated with onconeural antibodies often appear with neuropsychiatric symptoms. To study the prevalence of onconeural antibodies in patients admitted to acute psychiatric inpatient care, the serum of 585 such patients was tested for antibodies targeting MOG, GLRA1B, DPPX, GRM1, GRM5, DNER, Yo, ZIC4, GAD67, amphiphysin, CV2, Hu, Ri, Ma2, and recoverin. Only one sample was positive (antirecoverin IgG). The present findings suggest that serum onconeural antibody positivity is rare among patients acutely admitted for inpatient psychiatric care...
August 31, 2016: Journal of Neuropsychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/27577085/mapping-autoantigen-epitopes-molecular-insights-into-autoantibody-associated-disorders-of-the-nervous-system
#12
REVIEW
Nese Sinmaz, Tina Nguyen, Fiona Tea, Russell C Dale, Fabienne Brilot
BACKGROUND: Our knowledge of autoantibody-associated diseases of the central (CNS) and peripheral (PNS) nervous systems has expanded greatly over the recent years. A number of extracellular and intracellular autoantigens have been identified, and there is no doubt that this field will continue to expand as more autoantigens are discovered as a result of improved clinical awareness and methodological practice. In recent years, interest has shifted to uncover the target epitopes of these autoantibodies...
August 30, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27573760/successful-treatment-with-mogamulizumab-followed-by-allogeneic-hematopoietic-stem-cell-transplantation-in-adult-t-cell-leukemia-lymphoma-a-report-of-two-cases
#13
Yukie Tsubokura, Atsushi Satake, Masaaki Hotta, Hideaki Yoshimura, Shinya Fujita, Yoshiko Azuma, Takahisa Nakanishi, Aya Nakaya, Tomoki Ito, Kazuyoshi Ishii, Shosaku Nomura
A humanized anti-CC chemokine receptor 4 (CCR4) monoclonal antibody, mogamulizumab (MOG), has been shown to be safe and effective in the treatment of relapsed/refractory adult T-cell leukemia/lymphoma (ATLL). MOG depletes ATLL cells as well as regulatory T cells (Tregs), as CCR4 is expressed on these cells as well. In this context, pretransplant treatment with MOG may induce severe graft-versus-host disease (GVHD) in allogeneic hematopoietic stem-cell transplantation (HSCT). However, the influence of MOG on allogeneic HSCT, including its induction of GVHD, is unclear...
August 29, 2016: International Journal of Hematology
https://www.readbyqxmd.com/read/27569235/clinical-features-of-patients-with-multiple-sclerosis-and-neuromyelitis-optica-spectrum-disorders
#14
Hai Chen, Shi-Meng Liu, Xu-Xiang Zhang, Ya-Ou Liu, Si-Zhao Li, Zheng Liu, Hui-Qing Dong
BACKGROUND: Neuromyelitis optica spectrum disorder (NMOSD) was long believed to be an aggressive form of multiple sclerosis (MS). This study aimed to describe the clinical features of patients with MS and NMOSD to assist in differential diagnoses in clinical practice. METHODS: Data including the patients' serum and cerebrospinal fluid (CSF) tests, image findings, and clinical information from 175 patients with MS or NMOSD at Xuanwu Hospital, Capital Medical University from November 2012 to May 2014 were collected and analyzed retrospectively...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27507878/pretransplantation-anti-ccr4-antibody-mogamulizumab-against-adult-t-cell-leukemia-lymphoma-is-associated-with-significantly-increased-risks-of-severe-and-corticosteroid-refractory-graft-versus-host-disease-nonrelapse-mortality-and-overall-mortality
#15
Shigeo Fuji, Yoshitaka Inoue, Atae Utsunomiya, Yukiyoshi Moriuchi, Kaoru Uchimaru, Ilseung Choi, Eiichi Otsuka, Hideho Henzan, Koji Kato, Takeaki Tomoyose, Hisashi Yamamoto, Saiko Kurosawa, Ken-Ichi Matsuoka, Takuhiro Yamaguchi, Takahiro Fukuda
PURPOSE: Allogeneic hematopoietic stem-cell transplantation (allo-HSCT) is one important treatment option for patients with aggressive adult T-cell leukemia/lymphoma (ATLL). Mogamulizumab (anti-CCR4 monoclonal antibody; Mog) was recently approved as a treatment for ATLL in Japan. Major concerns exist about the possible adverse effects of pretransplantation Mog because Mog depletes regulatory T cells for several months. We assessed the impact of pretransplantation Mog on clinical outcomes after allo-HSCT...
October 1, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27458601/autoantibodies-to-mog-in-a-distinct-subgroup-of-adult-multiple-sclerosis
#16
Melania Spadaro, Lisa Ann Gerdes, Markus Krumbholz, Birgit Ertl-Wagner, Franziska Sabrina Thaler, Elisabeth Schuh, Imke Metz, Astrid Blaschek, Andrea Dick, Wolfgang Brück, Reinhard Hohlfeld, Edgar Meinl, Tania Kümpfel
OBJECTIVES: To evaluate the presence of antibodies to conformation-intact myelin oligodendrocyte glycoprotein (MOG) in a subgroup of adult patients with clinically definite multiple sclerosis (MS) preselected for a specific clinical phenotype including severe spinal cord, optic nerve, and brainstem involvement. METHODS: Antibodies to MOG were investigated using a cell-based assay in 3 groups of patients: 104 preselected patients with MS (group 1), 55 age- and sex-matched, otherwise unselected patients with MS (group 2), and in 22 brain-biopsied patients with demyelinating diseases of the CNS (n = 19 with MS), 4 of whom classified as MS type II (group 3)...
October 2016: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/27435092/neuroendothelial-nmda-receptors-as-therapeutic-targets-in-experimental-autoimmune-encephalomyelitis
#17
Richard Macrez, Maria C Ortega, Isabelle Bardou, Anupriya Mehra, Antoine Fournier, Susanne M A Van der Pol, Benoit Haelewyn, Eric Maubert, Flavie Lesept, Arnaud Chevilley, Fernando de Castro, Helga E De Vries, Denis Vivien, Diego Clemente, Fabian Docagne
Multiple sclerosis is among the most common causes of neurological disability in young adults. Here we provide the preclinical proof of concept of the benefit of a novel strategy of treatment for multiple sclerosis targeting neuroendothelial N-methyl-D-aspartate glutamate receptors. We designed a monoclonal antibody against N-methyl-D-aspartate receptors, which targets a regulatory site of the GluN1 subunit of N-methyl-D-aspartate receptor sensitive to the protease tissue plasminogen activator. This antibody reverted the effect of tissue plasminogen activator on N-methyl-D-aspartate receptor function without affecting basal N-methyl-D-aspartate receptor activity (n = 21, P < 0...
September 2016: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/27412504/b-lymphocytes-in-multiple-sclerosis-bregs-and-btla-cd272-expressing-cd19-lymphocytes-modulate-disease-severity
#18
Federica Piancone, Marina Saresella, Ivana Marventano, Francesca La Rosa, Martina Zoppis, Simone Agostini, Renato Longhi, Domenico Caputo, Laura Mendozzi, Marco Rovaris, Mario Clerici
B lymphocytes contribute to the pathogenesis of Multiple Sclerosis (MS) by secreting antibodies and producing cytokines. This latter function was analyzed in myelin olygodendrocyte protein (MOG)-stimulated CD19+ B lymphocytes of 71 MS patients with different disease phenotypes and 40 age-and sex-matched healthy controls (HC). Results showed that: 1) CD19+/TNFα+, CD19+/IL-12+ and CD19+/IFNγ+ lymphocytes are significantly increased in primary progressive (PP) compared to secondary progressive (SP), relapsing-remitting (RR), benign (BE) MS and HC; 2) CD19+/IL-6+ lymphocytes are significantly increased in PP, SP and RR compared to BEMS and HC; and 3) CD19+/IL-13+, CD19+/IL-10+, and CD19+/IL-10+/TGFβ+ (Bregs) B lymphocytes are reduced overall in MS patients compared to HC...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27372916/ingested-oral-rituximab-inhibits-eae
#19
Staley A Brod
BACKGROUND: Blocking CD20 can inhibit autoimmune diseases such as multiple sclerosis (MS) and rheumatoid arthritis (RA). OBJECTIVE: We examined whether an antibody against CD20, rituximab (RTX) (Rituxan®), used clinically in oncology, MS and RA would have similar anti-inflammatory effects in EAE after oral administration. DESIGN/METHODS: B6 mice were immunized with MOG peptide 35-55 and gavaged with control saline or RTX during ongoing disease...
September 2016: Cytokine
https://www.readbyqxmd.com/read/27349083/-anti-mog-neuromyelitis-optica-spectrum-disorders-treated-with-plasmapheresis
#20
Azusa Oshiro, Sadao Nakamura, Kunihito Tamashiro, Kazuo Fujihara
A 10-year-old boy developed bilateral optic neuritis and myelitis after a suspected viral infection and appendicitis. Magnetic resonance imaging (MRI) showed multiple lesions in both optic nerves, the optic chiasm, and the spinal cord. Several small lesions were also observed in the cerebellum and cerebral white matter. The serum tested negative for anti-aquaporin (AQP)-4 antibody and positive for anti-myelin oligodendrocyte glycoprotein (MOG) antibody. The diagnosis was neuromyelitis optica spectrum disorder (NMOSD)...
May 2016: No to Hattatsu. Brain and Development
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