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Mog antibodies

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https://www.readbyqxmd.com/read/29305608/disease-course-and-treatment-responses-in-children-with-relapsing-myelin-oligodendrocyte-glycoprotein-antibody-associated-disease
#1
Yael Hacohen, Yu Yi Wong, Christian Lechner, Maciej Jurynczyk, Sukhvir Wright, Bahadir Konuskan, Judith Kalser, Anne Lise Poulat, Helene Maurey, Esther Ganelin-Cohen, Evangeline Wassmer, Chery Hemingway, Rob Forsyth, Eva Maria Hennes, M Isabel Leite, Olga Ciccarelli, Banu Anlar, Rogier Hintzen, Romain Marignier, Jacqueline Palace, Matthias Baumann, Kevin Rostásy, Rinze Neuteboom, Kumaran Deiva, Ming Lim
Importance: Myelin oligodendrocyte glycoprotein antibodies (MOG-Abs) are consistently identified in a range of demyelinating disorders in adults and children. Current therapeutic strategies are largely center specific, and no treatments have been formally evaluated. Objective: To examine the clinical phenotypes, treatment responses, and outcomes of children with relapsing MOG-Ab-associated disease. Design, Setting, and Participants: This study prospectively collected demographic, clinical, and radiologic data from 102 patients from 8 countries of the EU Paediatric Demyelinating Disease Consortium from January 1, 2014, through December 31, 2016...
January 5, 2018: JAMA Neurology
https://www.readbyqxmd.com/read/29288492/-leukodystrophy-like-phenotype-in-children-with-myelin-oligodendrocyte-glycoprotein-antibody-associated-disease
#2
Yael Hacohen, Thomas Rossor, Kshitij Mankad, Wk 'Kling' Chong, Andrew Lux, Evangeline Wassmer, Ming Lim, Frederik Barkhof, Olga Ciccarelli, Cheryl Hemingway
AIM: To review the demographics and clinical and paraclinical parameters of children with myelin oligodendrocyte glycoprotein (MOG) antibody-associated relapsing disease. METHOD: In this UK-based, multicentre study, 31 children with MOG antibody-associated relapsing disease were studied retrospectively. RESULTS: Of the 31 children studied, 14 presented with acute disseminated encephalomyelitis (ADEM); they were younger (mean 4.1y) than the remainder (mean 8...
December 30, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/29208041/metabolomics-reveals-distinct-antibody-independent-molecular-signatures-of-ms-aqp4-antibody-and-mog-antibody-disease
#3
Maciej Jurynczyk, Fay Probert, Tianrong Yeo, George Tackley, Tim D W Claridge, Ana Cavey, Mark R Woodhall, Siddharth Arora, Torsten Winkler, Eric Schiffer, Angela Vincent, Gabriele DeLuca, Nicola R Sibson, M Isabel Leite, Patrick Waters, Daniel C Anthony, Jacqueline Palace
The overlapping clinical features of relapsing remitting multiple sclerosis (RRMS), aquaporin-4 (AQP4)-antibody (Ab) neuromyelitis optica spectrum disorder (NMOSD), and myelin oligodendrocyte glycoprotein (MOG)-Ab disease mean that detection of disease specific serum antibodies is the gold standard in diagnostics. However, antibody levels are not prognostic and may become undetectable after treatment or during remission. Therefore, there is still a need to discover antibody-independent biomarkers. We sought to discover whether plasma metabolic profiling could provide biomarkers of these three diseases and explore if the metabolic differences are independent of antibody titre...
December 6, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/29204292/serum-neurofilament-light-chain-in-nmosd-and-related-disorders-comparison-according-to-aquaporin-4-and-myelin-oligodendrocyte-glycoprotein-antibodies-status
#4
Mariotto S, Farinazzo A, Monaco S, Gajofatto A, Zanusso G, Schanda K, Capra R, Mancinelli C, Bonora A, Bombardi R, Reindl M, Ferrari S
Background: Neurofilament light chain (NF-L) levels reflect axonal damage in different conditions, including demyelinating disorders. Objectives: We aimed to compare serum NF-L levels in patients with aquaporin-4 antibodies (AQP4-Ab), myelin oligodendrocyte antibodies (MOG-Ab) and seronegative cases with neuromyelitis optica spectrum disorders and related disorders. Methods: We analysed AQP4-Ab and MOG-Ab with cell-based assay and NF-L with ultrasensitive electrochemiluminescence immunoassay...
October 2017: Multiple Sclerosis Journal—Experimental, Translational and Clinical
https://www.readbyqxmd.com/read/29194504/mog-antibody-neuromyelitis-optica-spectrum-disorder-is-it-a-separate-disease
#5
Jérome de Seze
No abstract text is available yet for this article.
December 1, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29184347/anti-myelin-oligodendrocyte-glycoprotein-associated-immunoglobulin-g-antimog-igg-associated-neuromyelitis-optica-spectrum-disorder-with-persistent-disease-activity-and-residual-cognitive-impairment
#6
Lekha Pandit, Ichiro Nakashima, Sharik Mustafa, Toshiyuki Takahashi, Kimhiko Kaneko
Antibodies targeting myelin oligodendrocyte glycoprotein (MOG) have been recently reported in association with idiopathic inflammatory central nervous system disorders. Initially believed to be a benign disorder, anti MOG-IgG was noted to cause steroid responsive recurrent optic neuritis and isolated longitudinally extensive myelitis. However, there is growing evidence that the disease may be predominantly relapsing, often producing severe visual loss and involving regions other than the spinal cord and optic nerve...
October 2017: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/29175896/clinical-course-of-mog-antibody-associated-recurrent-demyelinating-diseases
#7
EDITORIAL
Markus Reindl
No abstract text is available yet for this article.
November 24, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29172198/-anti-mog-antibody-associated-diseases
#8
Ichiro Nakashima
The anti-MOG antibody is an autoantibody that induces inflammatory demyelinating lesions in the central nervous system in diseases such as optic neuritis, encephalitis, and myelitis. The recent development of a cell-based assay that can detect specific autoantibodies, which recognize conformational epitopes of membrane proteins, revealed the clinical features of diseases associated with the anti-MOG antibody. Because the disease spectrum of anti-MOG antibody-associated diseases is different from that of conventional demyelinating diseases, a new disease classification would be established in the near future...
November 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/29162133/humoral-response-in-experimental-autoimmune-encephalomyelitis-targets-neural-precursor-cells-in-the-central-nervous-system-of-naive-rodents
#9
Evangelia Kesidou, Olga Touloumi, Roza Lagoudaki, Evangelia Nousiopoulou, Paschalis Theotokis, Kyriaki-Nepheli Poulatsidou, Marina Boziki, Evangelia Kofidou, Nickoleta Delivanoglou, Fani Minti, Georgios Hadjigeorgiou, Nikolaos Grigoriadis, Constantina Simeonidou
BACKGROUND: Neural precursor cells (NPCs) located in the subventricular zone (SVZ), a well-defined NPC niche, play a crucial role in central nervous system (CNS) homeostasis. Moreover, NPCs are involved in the endogenous reparative process both in multiple sclerosis (MS) and experimental autoimmune encephalomyelitis (EAE). However, the possibility that NPCs may be vulnerable to immune-related components may not be ruled out. Therefore, we investigated the potential affinity of myelin oligodendrocyte glycoprotein (MOG)-induced humoral response(s) to NPCs...
November 21, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29153600/subclinical-retinal-atrophy-in-the-unaffected-fellow-eyes-of-multiple-sclerosis-and-neuromyelitis-optica
#10
Tetsuya Akaishi, Kimihiko Kaneko, Noriko Himori, Takayuki Takeshita, Toshiyuki Takahashi, Toru Nakazawa, Masashi Aoki, Ichiro Nakashima
We compared the retinal thickness in the unaffected eyes among the following subtypes of unilateral optic neuritis (ON): multiple sclerosis (MS-ON), neuromyelitis optica spectrum disorder with anti-AQP4 autoantibody (AQP4-ON), patients with serum anti-MOG antibody (MOG-ON), and idiopathic ON. In the chronic phase, macular GCC and circum-papillary RNFL in the unaffected eyes were both atrophied in MS-ON and AQP4-ON, but were not atrophied in the others. Titers of anti-AQP4-Ab was suggested to be associated with such latent neurodegenerative process in AQP4-ON...
December 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/29142145/clinical-course-therapeutic-responses-and-outcomes-in-relapsing-mog-antibody-associated-demyelination
#11
Sudarshini Ramanathan, Shekeeb Mohammad, Esther Tantsis, Tina Kim Nguyen, Vera Merheb, Victor S C Fung, Owen Bruce White, Simon Broadley, Jeannette Lechner-Scott, Steve Vucic, Andrew P D Henderson, Michael Harry Barnett, Stephen W Reddel, Fabienne Brilot, Russell C Dale
OBJECTIVE: We characterised the clinical course, treatment and outcomes in 59 patients with relapsing myelin oligodendrocyte glycoprotein (MOG) antibody-associated demyelination. METHODS: We evaluated clinical phenotypes, annualised relapse rates (ARR) prior and on immunotherapy and Expanded Disability Status Scale (EDSS), in 218 demyelinating episodes from 33 paediatric and 26 adult patients. RESULTS: The most common initial presentation in the cohort was optic neuritis (ON) in 54% (bilateral (BON) 32%, unilateral (UON) 22%), followed by acute disseminated encephalomyelitis (ADEM) (20%), which occurred exclusively in children...
November 15, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/29141829/cerebral-cortical-encephalitis-followed-by-recurrent-cns-demyelination-in-a-patient-with-concomitant-anti-mog-and-anti-nmda-receptor-antibodies
#12
Lei Zhou, Jingzi ZhangBao, Haiqing Li, Xiaoyang Li, Yongheng Huang, Min Wang, Chongbo Zhao, Jiahong Lu, Chuanzhen Lu, Yuxin Li, Chao Quan
We report the case of a patient who initially presented with fever, headache and seizure. MRI revealed a fluid attenuation inversion recovery (FLAIR) high-intensity lesion involving the right temporal, parietal and occipital cortex. Afterwards, the patient developed three recurrent episodes, manifested as brainstem encephalitis, optic neuritis and ADEM-like illness successively, indicating demyelination. Both of his serum anti-MOG and CSF anti-NMDAR antibodies were proved positive by transfected cell based assays...
November 2017: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/29136091/clinical-presentation-and-prognosis-in-mog-antibody-disease-a-uk-study
#13
Maciej Jurynczyk, Silvia Messina, Mark R Woodhall, Naheed Raza, Rosie Everett, Adriana Roca-Fernandez, George Tackley, Shahd Hamid, Angela Sheard, Gavin Reynolds, Saleel Chandratre, Cheryl Hemingway, Anu Jacob, Angela Vincent, M Isabel Leite, Patrick Waters, Jacqueline Palace
A condition associated with an autoantibody against MOG has been recently recognized as a new inflammatory disease of the central nervous system, but the disease course and disability outcomes are largely unknown. In this study we investigated clinical characteristics of MOG-antibody disease on a large cohort of patients from the UK. We obtained demographic and clinical data on 252 UK patients positive for serum immunoglobulin G1 MOG antibodies as tested by the Autoimmune Neurology Group in Oxford. Disability outcomes and disease course were analysed in more detail in a cohort followed in the Neuromyelitis Optica Oxford Service (n = 75), and this included an incident cohort who were diagnosed at disease onset (n = 44)...
November 9, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/29131884/seizures-and-encephalitis-in-myelin-oligodendrocyte-glycoprotein-igg-disease-vs-aquaporin-4-igg-disease
#14
Shahd H M Hamid, Dan Whittam, Mariyam Saviour, Amal Alorainy, Kerry Mutch, Samantha Linaker, Tom Solomon, Maneesh Bhojak, Mark Woodhall, Patrick Waters, Richard Appleton, Martin Duddy, Anu Jacob
Importance: Antibodies to myelin oligodendrocyte glycoprotein IgG (MOG-IgG) are increasingly detected in patients with non-multiple sclerosis-related demyelination, some of whom manifest a neuromyelitis optica (NMO) phenotype. Cortical involvement, encephalopathy, and seizures are rare in aquaporin 4 antibody (AQP4-IgG)-related NMO in the white European population. However, the authors encountered several patients with seizures associated with MOG-IgG disease. Objective: To compare incidence of seizures and encephalitis-like presentation, or both between AQP4-IgG-positive and MOG-IgG-positive patients...
November 13, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29114566/reversible-paraspinal-muscle-hyperintensity-in-anti-mog-antibody-associated-transverse-myelitis
#15
Lekha Pandit, Sharik Mustafa, Raghuraj Uppoor, Ichiro Nakashima, Toshiyuki Takahashi, Kimihiko Kaneko
No abstract text is available yet for this article.
January 2018: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/29101456/clinical-characteristics-of-myelin-oligodendrocyte-glycoprotein-seropositive-optic-neuritis-a-cohort-study-in-shanghai-china
#16
Guixian Zhao, Qian Chen, Yongheng Huang, Zhenxin Li, Xinghuai Sun, Ping Lu, S Yan, Min Wang, Guohong Tian
Qualitative and quantitative visual outcomes of Asian optic neuritis (ON) patients with seropositive myelin oligodendrocyte glycoprotein (MOG) antibodies remain unknown. We retrospectively evaluated a cohort of new-onset ON patients in Shanghai, China between January 2015 and December 2016. Serum MOG and aquaporin-4 (AQP4) antibodies were detected using cell-based assays, and patients were followed-up for at least 6 months. The clinical characteristics and optical coherence tomography (OCT) results were evaluated in the MOG-seropositive optic neuritis (MOG-ON), AQP4-seropositive (AQP4-ON), and double seronegative (Seronegative-ON) patients...
November 3, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/29073350/understanding-the-antibody-repertoire-in-neuropsychiatric-systemic-lupus-erythematosus-and-neuromyelitis-optica-spectrum-disorders-do-they-share-common-targets
#17
Simone Mader, Venkatesh Jeganathan, Yoshiyuki Arinuma, Yuichiro Fujieda, Irena Dujmovic, Jelena Drulovic, Yuka Shimizu, Yuko Sakuma, Joel N H Stern, Cynthia Aranow, Meggan Mackay, Shinsuke Yasuda, Tatsuya Atsumi, Shunsei Hirohata, Betty Diamond
OBJECTIVE: DWEYS-IgG cross-reactive with DNA and the N-methyl-D-aspartate receptor subunits GluN2A/GluN2B has been associated with neuropsychiatric systemic lupus erythematosus (NPSLE). DWEYS-IgG has not been investigated in demyelinating NPSLE (dNPSLE) or in another demyelinating disorder, Neuromyelitis Optica Spectrum Disorder (NMOSD), which is also a disease of young women and associated with aquaporin-4 (AQP4) or myelin oligodendrocyte glycoprotein (MOG) antibodies. We investigated the frequency of these brain-reactive antibodies in NPSLE, dNPSLE and NMOSD...
October 26, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29070756/a-case-of-anti-mog-antibody-positive-multiphasic-disseminated-encephalomyelitis-co-occurring-with-unilateral-cerebral-cortical-encephalitis
#18
Naoya Fukushima, Miki Suzuki, Ryo Ogawa, Kitami Hayashi, Jun-Ichi Takanashi, Takashi Ohashi
A 20-year-old woman first developed acute disseminated encephalomyelitis (ADEM) at 11 years of age. At 17 years of age, she was hospitalized due to generalized seizure and diagnosed with encephalitis. Brain MRI revealed a FLAIR-hyperintense lesion in the unilateral cerebral cortex. At 18 years of age, serum anti-myelin oligodendrocyte glycoprotein (MOG) antibody was detected. At 20 years of age, she was admitted to our hospital, diagnosed with multifocal disseminated encephalomyelitis (MDEM). MDEM has been observed in patients that are seropositive for the anti-MOG antibody...
October 26, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/29070750/a-case-of-recurrent-myelitis-associated-with-anti-myelin-oligodendrocyte-glycoprotein-antibody-that-developed-only-as-localized-short-spinal-cord-lesions
#19
Arifumi Matsumoto, Kimihiko Kaneko, Toshiyuki Takahashi, Ichiro Nakashima, Kinya Hisanaga, Isao Nagano
A 65-year-old man initially developed numbness and hypesthesia in the right shoulder and brachial regions that disappeared within several months. MRI revealed a small lesion extending to a vertebral segment in the right dorsal region of the cervical spinal cord at the vertebral height of C2/3. About 15 months later, the intermittent lancinating pain identical to the right trigeminal and occipital neuralgia with pain and hypesthesia distributed in the right C2-C4 dermatome regions appeared. MRI revealed a new oval lesion with gadolinium enhancement in the right dorsal region of the cervical spinal cord at the vertebral height of C1, which was thought to involve the posterior column and lower part of the spinal tract nucleus of the trigeminal nerve...
October 26, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/29070051/human-antibodies-against-the-myelin-oligodendrocyte-glycoprotein-can-cause-complement-dependent-demyelination
#20
Patrick Peschl, Kathrin Schanda, Bleranda Zeka, Katherine Given, Denise Böhm, Klemens Ruprecht, Albert Saiz, Andreas Lutterotti, Kevin Rostásy, Romana Höftberger, Thomas Berger, Wendy Macklin, Hans Lassmann, Monika Bradl, Jeffrey L Bennett, Markus Reindl
BACKGROUND: Antibodies to the myelin oligodendrocyte glycoprotein (MOG) are associated with a subset of inflammatory demyelinating diseases of the central nervous system such as acute disseminated encephalomyelitis and neuromyelitis optica spectrum disorders. However, whether human MOG antibodies are pathogenic or an epiphenomenon is still not completely clear. Although MOG is highly conserved within mammals, previous findings showed that not all human MOG antibodies bind to rodent MOG...
October 25, 2017: Journal of Neuroinflammation
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